A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects | Paper Citation Record

Observation c76c95c9-6266-41f9-b1d1-83a03b32654c · outbound

This paper cites Catalogue des Nébuleuses et des Amas d’Étoiles (Catalog of Nebulae and Star Clusters).

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects Catalogue des Nébuleuses et des Amas d’Étoiles (Catalog of Nebulae and Star Clusters)

Reference 1

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Observation d41cc7b0-49c6-409f-b7db-d8af4cb991ac · outbound

This paper cites The nature of planetary nebulae and their nuclei.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects The nature of planetary nebulae and their nuclei

Reference 2

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Observation 373fef2d-6785-433f-986f-610805130ae1 · outbound

This paper cites On the Origin of Planetary Nebulae.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects On the Origin of Planetary Nebulae

Reference 3

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Observation f940813e-4d2d-4d26-a6fc-25abbbdac918 · outbound

This paper cites Evolution of Single Stars.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects Evolution of Single Stars

Reference 4

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Observation 530b7b1e-5e81-45f6-a536-d9a0a59acd20 · outbound

This paper cites Evolution of Single Stars.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects Evolution of Single Stars

Reference 5

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Observation 741b8ecf-da3e-40be-afd0-5a5b016e9b76 · outbound

This paper cites On the origin of planetary nebulae.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects On the origin of planetary nebulae

Reference 6

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Observation 2c54af64-03f7-4c19-97b9-04158bff2be8 · outbound

This paper cites Shapes of planetary nebulae.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects Shapes of planetary nebulae

Reference 7

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Observation 8136b9ef-2e24-411a-8d6b-bfb922a08c32 · outbound

This paper cites Binarity of Central Stars of Planetary Nebulae.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects Binarity of Central Stars of Planetary Nebulae

Reference 8

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Observation cc9c253b-be94-42c0-96ea-3859ef8889c3 · outbound

This paper cites Shapes and Shaping of Planetary Nebulae.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects Shapes and Shaping of Planetary Nebulae

Reference 9

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Observation 912eda98-2ea5-43cb-8267-6491b7022a9a · outbound

This paper cites The Origin and Shaping of Planetary Nebulae: Putting the Binary Hypothesis to the Test.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects The Origin and Shaping of Planetary Nebulae: Putting the Binary Hypothesis to the Test

Reference 10

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Observation f0ade0a4-5b29-422d-a32b-27c859452d0c · outbound

This paper cites Binary stars as the key to understanding planetary nebulae.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects Binary stars as the key to understanding planetary nebulae

Reference 11

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Observation d78d9959-8b3b-4b38-9300-d092b7776112 · outbound

This paper cites The Importance of Binaries in the Formation and Evolution of Planetary Nebulae; 2019.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects The Importance of Binaries in the Formation and Evolution of Planetary Nebulae; 2019

Reference 12

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Observation 47508202-83e1-401b-b785-20b8759f1bd2 · outbound

This paper cites Binary planetary nebulae nuclei towards the Galactic bulge. II. A penchant for bipolarity and low-ionisation structures.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects Binary planetary nebulae nuclei towards the Galactic bulge. II. A penchant for bipolarity and low-ionisation structures

Reference 13

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Observation f08fa25b-694a-4e74-8ea8-2e4d1b74ea60 · outbound

This paper cites Binary Planetary Nebulae Nuclei towards the Galactic Bulge. I. Sample Discovery, Period Distribution and Binary Fraction.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects Binary Planetary Nebulae Nuclei towards the Galactic Bulge. I. Sample Discovery, Period Distribution and Binary Fraction

Reference 14

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Observation 967a3f5a-7930-4fa1-a51f-d179a8ece0c0 · outbound

This paper cites Binary Central Stars of Planetary Nebulae Identified With Kepler/K2.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects Binary Central Stars of Planetary Nebulae Identified With Kepler/K2

Reference 15

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Observation 99c50785-7213-4978-a86b-11ce10edd42a · outbound

This paper cites The binary fraction of planetary nebula central stars - II.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects The binary fraction of planetary nebula central stars - II

Reference 16

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Observation d7e808d3-8e67-4c6b-993c-f604c3ffe260 · outbound

This paper cites HIP 3678: a hierarchical triple stellar system in the centre of the planetary nebula NGC 246.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects HIP 3678: a hierarchical triple stellar system in the centre of the planetary nebula NGC 246

Reference 17

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Observation 27e9090d-356e-4a6f-b0ef-05bf1b2c3072 · outbound

This paper cites The messy death of a multiple star system and the resulting planetary nebula as observed by JWST.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects The messy death of a multiple star system and the resulting planetary nebula as observed by JWST

Reference 18

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Observation 12e88f03-5c05-4f5c-b95e-eae5e781d98e · outbound

This paper cites Binary Central Stars of Planetary Nebulae Discovered Through Photometric Variability.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects Binary Central Stars of Planetary Nebulae Discovered Through Photometric Variability

Reference 19

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Observation b2f9e6cf-82e5-4444-8f5b-3101f8f380c1 · outbound

This paper cites The Double-Degenerate Nucleus of the Planetary Nebula TS 01. A Close Binary Evolution Showcase.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects The Double-Degenerate Nucleus of the Planetary Nebula TS 01. A Close Binary Evolution Showcase

Reference 20

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Observation d2336c2c-d25f-40a2-9d0a-1e98b379de8f · outbound

This paper cites An in-depth reanalysis of the alleged type Ia supernova progenitor Henize 2-428.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects An in-depth reanalysis of the alleged type Ia supernova progenitor Henize 2-428

Reference 21

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Observation 67695a70-282c-4ea5-8f13-e4c34b7ad6b7 · outbound

This paper cites Two evolved close binary stars: GALEX J015054.4+310745 and the central star of the planetary nebula Hen 2-84.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects Two evolved close binary stars: GALEX J015054.4+310745 and the central star of the planetary nebula Hen 2-84

Reference 22

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Observation 8a2db072-8db0-42c1-96fe-4624ea77a072 · outbound

This paper cites The evolution of planetary nebulae. VIII. True expansion rates and visibility times.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects The evolution of planetary nebulae. VIII. True expansion rates and visibility times

Reference 23

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Observation 9673b6f8-0ee4-46f7-b61d-c2ba3bd075c9 · outbound

This paper cites Planetary Nebulae: Sources of Enlightenment.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects Planetary Nebulae: Sources of Enlightenment

Reference 24

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Observation fb7e0fec-d0df-414a-b391-e0e6aee3fb43 · outbound

This paper cites The Origin and Evolution of Planetary Nebulae; 2000.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects The Origin and Evolution of Planetary Nebulae; 2000

Reference 25

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Observation 24acf3d1-79d4-450d-aed3-f723a949e548 · outbound

This paper cites The Sixth Catalogue of Galactic Wolf-Rayet Stars - Their Past and Present.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects The Sixth Catalogue of Galactic Wolf-Rayet Stars - Their Past and Present

Reference 26

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Observation 85b9f4be-1cb9-42fd-aabe-2d805c44a7a2 · outbound

This paper cites Spectrophotometry of the Central Stars of Four Planetary Nebulae.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects Spectrophotometry of the Central Stars of Four Planetary Nebulae

Reference 27

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Observation 3f4ccdc0-f444-40e9-8a80-1bcf20aa6099 · outbound

This paper cites Planetary Nebulae.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects Planetary Nebulae

Reference 28

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Observation f8cc81d7-7d45-404d-9227-c2a6933e5c21 · outbound

This paper cites Spectroscopic studies of very old hot stars.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects Spectroscopic studies of very old hot stars

Reference 29

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Observation e6e09ab6-f4c3-4e02-bcff-fbcea1e3593b · outbound

This paper cites Spectrophotometric and model-atmosphere analyses of the hot DO and DAO white dwarfs from the Palomar-Green survey.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects Spectrophotometric and model-atmosphere analyses of the hot DO and DAO white dwarfs from the Palomar-Green survey

Reference 30

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Observation a38086f6-f86b-4327-b649-5b7f9c53be91 · outbound

This paper cites Catalogue of central stars of planetary nebulae: Expanded edition.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects Catalogue of central stars of planetary nebulae: Expanded edition

Reference 31

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Observation 3bfb74d1-e837-4fad-9966-1d4efec49f32 · outbound

This paper cites Non-Lte Spectral Analysis of PG:1159-035 Stars.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects Non-Lte Spectral Analysis of PG:1159-035 Stars

Reference 32

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Observation 5cc946a0-c32f-4929-9444-5e737becffb6 · outbound

This paper cites On the evolutionary link between white dwarfs and central stars of planetary nebulae : NLTE analysis of PG 1144+005.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects On the evolutionary link between white dwarfs and central stars of planetary nebulae : NLTE analysis of PG 1144+005

Reference 33

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Observation d072b01a-15e4-4517-a089-7233f837394b · outbound

This paper cites V348 Sagittarii : analysis of the [WC12] stellar spectrum.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects V348 Sagittarii : analysis of the [WC12] stellar spectrum

Reference 34

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Observation ad06b6fe-18d6-48a6-9dae-b9b4cb081df9 · outbound

This paper cites Spectral analyses of late-type WC central stars of planetary nebulae.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects Spectral analyses of late-type WC central stars of planetary nebulae

Reference 35

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Observation 5223bc61-a04e-4274-9f1d-21d9883a4bc9 · outbound

This paper cites Spectral analyses of late-type [WC] central stars of planetary nebulae: more empirical constraints for their evolutionary status.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects Spectral analyses of late-type [WC] central stars of planetary nebulae: more empirical constraints for their evolutionary status

Reference 36

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Observation 03e9d77e-8318-4282-9cf8-572d46a6a09e · outbound

This paper cites The Element Abundances in Bare Planetary Nebula Central Stars and the Shell Burning in AGB Stars.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects The Element Abundances in Bare Planetary Nebula Central Stars and the Shell Burning in AGB Stars

Reference 37

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Observation c9447f7e-e302-4c83-8df9-7b30d80dac06 · outbound

This paper cites On the evolution of those nuclei of planetary nebulae that experiencea final helium shell flash.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects On the evolution of those nuclei of planetary nebulae that experiencea final helium shell flash

Reference 38

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Observation 1a116568-0568-42f5-b623-2d8ad885aa6c · outbound

This paper cites On the frequency of planetary nebula nuclei powered by helium burningand on the frequency of white dwarfs with hydrogen-deficient atmospheres.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects On the frequency of planetary nebula nuclei powered by helium burningand on the frequency of white dwarfs with hydrogen-deficient atmospheres

Reference 39

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Observation c714acf6-dd3f-4c13-aa42-bdf21cf532e0 · outbound

This paper cites Helium Rich Subdwarf 0 Stars and Central Stars of Planetary Nebulae (review).

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects Helium Rich Subdwarf 0 Stars and Central Stars of Planetary Nebulae (review)

Reference 40

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Observation 3993c8bb-d740-446d-8802-37a9ac2c69f0 · outbound

This paper cites Photospheric Abundances in Central Stars of Planetary Nebulae, and Evolutionary Implications.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects Photospheric Abundances in Central Stars of Planetary Nebulae, and Evolutionary Implications

Reference 41

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Observation f018e12d-a1b7-4533-ac1d-e5c5887456b0 · outbound

This paper cites Spectral analysis of O(He)-type post-AGB stars.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects Spectral analysis of O(He)-type post-AGB stars

Reference 42

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Observation 587e8dd2-1d39-4216-adb3-5151c09fa53f · outbound

This paper cites IC 4663: The first unambiguous [WN] Wolf-Rayet central star of a planetary nebula.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects IC 4663: The first unambiguous [WN] Wolf-Rayet central star of a planetary nebula

Reference 43

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Observation 44a16906-839f-43ee-8d66-8e66ff807d3d · outbound

This paper cites Hydrogen-Deficient Stars and Stellar Systems.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects Hydrogen-Deficient Stars and Stellar Systems

Reference 44

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Observation 012c92ae-0330-4866-af27-8d00098ddbb5 · outbound

This paper cites Hydrogen-Deficient Stars: An Introduction.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects Hydrogen-Deficient Stars: An Introduction

Reference 45

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Observation cba78ddc-d0ed-47b2-9fc9-49d32417c3d9 · outbound

This paper cites an unresolved cited work.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects Unresolved cited work

Reference 46

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Observation e91b34f3-f484-4c85-a8bd-a3163bd05dea · outbound

This paper cites On helium-dominated stellar evolution: the mysterious role of the O(He)-type stars.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects On helium-dominated stellar evolution: the mysterious role of the O(He)-type stars

Reference 47

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Observation 81fb2ae7-adad-4303-bd8c-00a749e4e0c1 · outbound

This paper cites Newly Discovered Wolf-Rayet and Weak Emission-Line Central Stars of Planetary Nebulae.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects Newly Discovered Wolf-Rayet and Weak Emission-Line Central Stars of Planetary Nebulae

Reference 48

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Observation 64d42fc7-9f43-4a8e-8b81-1aab91025a29 · outbound

This paper cites Abell 48 - a rare WN-type central star of a planetary nebula.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects Abell 48 - a rare WN-type central star of a planetary nebula

Reference 49

Resolution: unresolved; no resolver link, observed 2026-08-12T11:38:36.820041Z

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Observation f8c888ea-09b2-46a6-8c52-a7f636fa5e52 · outbound

This paper cites The planetary nebula Abell 48 and its [WN] nucleus.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects The planetary nebula Abell 48 and its [WN] nucleus

Reference 50

Resolution: malformed identifier; no resolver link, observed 2026-08-12T11:38:36.865244Z

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Observation 9c0cd695-503e-4a00-a2d6-f6044286e5a3 · outbound

This paper cites Quantitative classification of WR nuclei of planetary nebulae.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects Quantitative classification of WR nuclei of planetary nebulae

Reference 51

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Observation 8bd82257-8528-47c8-8b34-58e1d89d4d6a · outbound

This paper cites The central star of the planetary nebula PB 8: a Wolf-Rayet-type wind of an unusual WN/WC chemical composition.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects The central star of the planetary nebula PB 8: a Wolf-Rayet-type wind of an unusual WN/WC chemical composition

Reference 52

Resolution: unresolved; no resolver link, observed 2026-08-12T11:38:36.874368Z

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Observation 1790018e-98fc-4263-aeeb-ce2234e48fff · outbound

This paper cites Spectral analysis of the hybrid PG 1159-type central stars of the planetary nebulae Abell 43 and NGC 7094.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects Spectral analysis of the hybrid PG 1159-type central stars of the planetary nebulae Abell 43 and NGC 7094

Reference 53

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Observation 2897fd17-ec88-47de-9211-aab0dd287577 · outbound

This paper cites New hydrogen-deficient (pre-) white dwarfs in the Sloan Digital Sky Survey Data Release 10.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects New hydrogen-deficient (pre-) white dwarfs in the Sloan Digital Sky Survey Data Release 10

Reference 54

Resolution: unresolved; no resolver link, observed 2026-08-12T11:38:36.884295Z

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Observation daa37569-6570-4407-bf00-3bd85b9c5f3c · outbound

This paper cites Wolf-Rayet central stars of planetary nebulae.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects Wolf-Rayet central stars of planetary nebulae

Reference 55

Resolution: unresolved; no resolver link, observed 2026-08-12T11:38:36.888537Z

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Observation 14265fb1-24e7-41a0-b045-baae25053476 · outbound

This paper cites New evolutionary calculations for the Born Again scenario.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects New evolutionary calculations for the Born Again scenario

Reference 56

Resolution: unresolved; no resolver link, observed 2026-08-12T11:38:36.892633Z

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Observation 23349d9a-f6b8-4338-9bf1-241520499c5c · outbound

This paper cites Full evolutionary models for PG1159 stars. Implications for the helium-rich O(He) stars.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects Full evolutionary models for PG1159 stars. Implications for the helium-rich O(He) stars

Reference 57

Resolution: unresolved; no resolver link, observed 2026-08-12T11:38:36.896775Z

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Observation 23d26684-c405-4f2f-a07e-55ce74ecadbe · outbound

This paper cites The born again (VLTP) scenario revisited: The mass of the remnants and implications for V4334 Sgr.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects The born again (VLTP) scenario revisited: The mass of the remnants and implications for V4334 Sgr

Reference 58

Resolution: unresolved; no resolver link, observed 2026-08-12T11:38:36.901452Z

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Observation a5aa2d0e-947d-4e73-9b54-6fdd41900231 · outbound

This paper cites PG 1159-035: a New, Hot, Non-Da Pulsating Degenerate.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects PG 1159-035: a New, Hot, Non-Da Pulsating Degenerate

Reference 59

Resolution: unresolved; no resolver link, observed 2026-08-12T11:38:36.905160Z

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Unavailable: canonical work link unavailable.

Observation 4f86de0f-d65c-4278-aff1-a2d36dc664f7 · outbound

This paper cites The pulsating central star of the planetary nebula Kohoutek 1-16.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects The pulsating central star of the planetary nebula Kohoutek 1-16

Reference 60

Resolution: unresolved; no resolver link, observed 2026-08-12T11:38:36.909185Z

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Unavailable: canonical work link unavailable.

Observation c2ac2bf8-46a9-4b78-ba7c-ff0d2e3d21d1 · outbound

This paper cites Pulsating white dwarfs: new insights.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects Pulsating white dwarfs: new insights

Reference 61

Resolution: unresolved; no resolver link, observed 2026-08-12T11:38:36.913309Z

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Observation d9e3056b-a563-4910-9db6-d422c86ae8d4 · outbound

This paper cites White-dwarf asteroseismology with the Kepler space telescope.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects White-dwarf asteroseismology with the Kepler space telescope

Reference 62

Resolution: unresolved; no resolver link, observed 2026-08-12T11:38:36.917658Z

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Observation 3a161835-2ee5-48d6-af14-6a98ac54c2ef · outbound

This paper cites Asteroseismological constraints on the pulsating planetary nebula nucleus (PG1159-type) RX J2117.1+3412.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects Asteroseismological constraints on the pulsating planetary nebula nucleus (PG1159-type) RX J2117.1+3412

Reference 63

Resolution: unresolved; no resolver link, observed 2026-08-12T11:38:36.941460Z

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Observation c00a4b85-ebf6-43b2-9cf1-6f1272d40db9 · outbound

This paper cites Asteroseismological constraints on the coolest GW Vir variable star (PG 1159-type)PG 0122+200.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects Asteroseismological constraints on the coolest GW Vir variable star (PG 1159-type)PG 0122+200

Reference 64

Resolution: unresolved; no resolver link, observed 2026-08-12T11:38:36.970549Z

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Observation 5b3b336b-02b5-4277-8dec-4ad7f6e41209 · outbound

This paper cites On the systematics of asteroseismological mass determinations of PG1159 stars.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects On the systematics of asteroseismological mass determinations of PG1159 stars

Reference 65

Resolution: unresolved; no resolver link, observed 2026-08-12T11:38:37.055160Z

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Unavailable: canonical work link unavailable.

Observation 979fe790-78e8-443f-aff3-341e953977bc · outbound

This paper cites Asteroseismological measurements on PG 1159-035, the prototype of the GW Vir variable stars.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects Asteroseismological measurements on PG 1159-035, the prototype of the GW Vir variable stars

Reference 66

Resolution: unresolved; no resolver link, observed 2026-08-12T11:38:37.098352Z

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Unavailable: canonical work link unavailable.

Observation ad77ddab-1556-4c62-aa10-945e1a02693b · outbound

This paper cites Asteroseismology of hot pre-white dwarf stars: the case of the DOV stars PG 2131+066 and PG 1707+427, and the PNNV star NGC 1501.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects Asteroseismology of hot pre-white dwarf stars: the case of the DOV stars PG 2131+066 and PG 1707+427, and the PNNV star NGC 1501

Reference 67

Resolution: unresolved; no resolver link, observed 2026-08-12T11:38:37.102875Z

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Observation b4ff5524-a1d5-4288-87d4-55cd8a6449e0 · outbound

This paper cites Pulsating hydrogen-deficient white dwarfs and pre-white dwarfs observed with TESS: I. Asteroseismology of the GW Vir stars RX J2117+3412, HS 2324+3944, NGC 6905, NGC 1501, NGC 2371, and K 1-16.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects Pulsating hydrogen-deficient white dwarfs and pre-white dwarfs observed with TESS: I. Asteroseismology of the GW Vir stars RX J2117+3412, HS 2324+3944, NGC 6905, NGC 1501, NGC 2371, and K 1-16

Reference 68

Resolution: unresolved; no resolver link, observed 2026-08-12T11:38:37.107170Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 5b34fe33-ff7c-43b1-9c28-481c662c9af1 · outbound

This paper cites Pulsating hydrogen-deficient white dwarfs and pre-white dwarfs observed with TESS VI. Asteroseismology of the GW Vir-type central star of the Planetary Nebula NGC 246.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects Pulsating hydrogen-deficient white dwarfs and pre-white dwarfs observed with TESS VI. Asteroseismology of the GW Vir-type central star of the Planetary Nebula NGC 246

Reference 69

Resolution: unresolved; no resolver link, observed 2026-08-12T11:38:37.111757Z

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Observation 8f50adbc-3f87-4cb6-89c5-8a5060ec3326 · outbound

This paper cites Seismic evidence for the loss of stellar angular momentum before the white-dwarf stage.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects Seismic evidence for the loss of stellar angular momentum before the white-dwarf stage

Reference 70

Resolution: unresolved; no resolver link, observed 2026-08-12T11:38:37.115637Z

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Observation e6d1787c-8b28-4da3-b745-2b8bba7e92fa · outbound

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A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects Probing the internal rotation of pre-white dwarf stars with asteroseismology: the case of PG 122+200

Reference 71

Resolution: unresolved; no resolver link, observed 2026-08-12T11:38:37.119335Z

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Unavailable: canonical work link unavailable.

Observation 7b3dedda-a3c2-4370-a113-6fad8c168da6 · outbound

This paper cites Weighing stars from birth to death: mass determination methods across the HRD.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects Weighing stars from birth to death: mass determination methods across the HRD

Reference 72

Resolution: unresolved; no resolver link, observed 2026-08-12T11:38:37.124025Z

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Unavailable: canonical work link unavailable.

Observation 6f17d484-5ebb-4586-9e8e-a22a4a23894d · outbound

This paper cites Can pulsating PG1159 stars place constraints on the occurrence of core overshooting?.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects Can pulsating PG1159 stars place constraints on the occurrence of core overshooting?

Reference 73

Resolution: unresolved; no resolver link, observed 2026-08-12T11:38:37.128040Z

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Unavailable: canonical work link unavailable.

Observation da8e3578-2b3d-4730-8378-94699c01bdf2 · outbound

This paper cites Evidence of thin helium envelopes in PG1159 stars.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects Evidence of thin helium envelopes in PG1159 stars

Reference 74

Resolution: unresolved; no resolver link, observed 2026-08-12T11:38:37.134079Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 681fcd9a-3233-4124-b150-400544bb6888 · outbound

This paper cites Hydrogen-poor planetary nebulae.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects Hydrogen-poor planetary nebulae

Reference 75

Resolution: unresolved; no resolver link, observed 2026-08-12T11:38:37.140045Z

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Unavailable: canonical work link unavailable.

Observation 56858d11-aa5f-47fb-ad23-aaeac93f1a58 · outbound

This paper cites Evidence for highly processed material ejected from Abell.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects Evidence for highly processed material ejected from Abell

Reference 76

Resolution: unresolved; no resolver link, observed 2026-08-12T11:38:37.182042Z

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Unavailable: canonical work link unavailable.

Observation 72ad4fd8-a18d-4a93-9b0a-ec89006fe9e4 · outbound

This paper cites https://doi.org/10.1038/285463a0.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects https://doi.org/10.1038/285463a0

Reference 77

Resolution: verified exact; doi, observed 2026-08-12T11:38:40.971578Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.

Observation 7be3ac01-f720-4ee5-89af-5ab57cad023a · outbound

This paper cites The hydrogen-depleted planetary nebulae Abell 30 and Abell 78.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects The hydrogen-depleted planetary nebulae Abell 30 and Abell 78

Reference 78

Resolution: verified exact; doi, observed 2026-08-12T11:38:40.956663Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.

Observation ca56ae5d-d95f-4fa9-a563-004701858e1c · outbound

This paper cites V 605 Aquilae - A star and a nebula with no hydrogen.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects V 605 Aquilae - A star and a nebula with no hydrogen

Reference 79

Resolution: unresolved; no resolver link, observed 2026-08-12T11:38:37.301901Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 342587df-79de-4c0f-b8e8-70c51205b634 · outbound

This paper cites The Optical/Infrared Counterpart(s) of IRAS 18333-2357.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects The Optical/Infrared Counterpart(s) of IRAS 18333-2357

Reference 80

Resolution: unresolved; no resolver link, observed 2026-08-12T11:38:37.306049Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation d55a8eee-905f-4c67-b096-94362064fb0a · outbound

This paper cites The Peculiar Planetary Nebula in M22.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects The Peculiar Planetary Nebula in M22

Reference 81

Resolution: verified exact; doi, observed 2026-08-12T11:38:40.934087Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.

Observation e542e67b-af8f-4352-bcfd-f5cd9af20b60 · outbound

This paper cites IRAS 16455-3455 and IRAS 15154-5258 : two new southern planetary nebulae.A&A 1989, 218, 267–272.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects IRAS 16455-3455 and IRAS 15154-5258 : two new southern planetary nebulae.A&A 1989, 218, 267–272

Reference 82

Resolution: unresolved; no resolver link, observed 2026-08-12T11:38:37.315261Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation a5921aa0-8b82-4f70-884b-cbcaf8312776 · outbound

This paper cites Freshly ionized matter around the final Helium shell flash object V4334 Sgr (Sakurai's object).

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects Freshly ionized matter around the final Helium shell flash object V4334 Sgr (Sakurai's object)

Reference 83

Resolution: unresolved; no resolver link, observed 2026-08-12T11:38:37.319513Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation d729aff9-d1dc-41c8-91b2-cae082b1b63a · outbound

This paper cites WR 72: a born-again planetary nebula with hydrogen-poor knots.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects WR 72: a born-again planetary nebula with hydrogen-poor knots

Reference 84

Resolution: unresolved; no resolver link, observed 2026-08-12T11:38:37.323548Z

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Unavailable: canonical work link unavailable.

Observation b89a467f-32ee-4b2a-b012-2ec14f463a01 · outbound

This paper cites Chemistry and physical properties of the born-again planetary nebula HuBi 1.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects Chemistry and physical properties of the born-again planetary nebula HuBi 1

Reference 85

Resolution: unresolved; no resolver link, observed 2026-08-12T11:38:37.327767Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 5cc3dbc9-a97a-4b66-aabf-84f7a5fd8af7 · outbound

This paper cites Three-dimensional Monte Carlo dust radiative transfer study of the H-poor planetary nebula IRAS 18333-2357 located in M22.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects Three-dimensional Monte Carlo dust radiative transfer study of the H-poor planetary nebula IRAS 18333-2357 located in M22

Reference 86

Resolution: unresolved; no resolver link, observed 2026-08-12T11:38:37.331940Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 32ebbb00-3d30-4d78-b748-2c874e849258 · outbound

This paper cites Observations and models of H-deficient planetary nebulae.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects Observations and models of H-deficient planetary nebulae

Reference 87

Resolution: unresolved; no resolver link, observed 2026-08-12T11:38:37.336180Z

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Unavailable: canonical work link unavailable.

Observation 63c456e2-b8eb-4e53-8820-8e96b37568c8 · outbound

This paper cites Discovery of a Fast Expanding Shell in the Inside-out Born-Again Planetary Nebula HuBi 1 Through High-Dispersion Integral Field Spectroscopy.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects Discovery of a Fast Expanding Shell in the Inside-out Born-Again Planetary Nebula HuBi 1 Through High-Dispersion Integral Field Spectroscopy

Reference 88

Resolution: malformed identifier; no resolver link, observed 2026-08-12T11:38:37.380965Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 4f84ea99-0022-414b-86aa-2b4bbbce8887 · outbound

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A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects Numerical models of planetary nebulae with different episodes of mass ejection: the particular case of HuBi 1

Reference 89

Resolution: unresolved; no resolver link, observed 2026-08-12T11:38:37.406222Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 0140f7b5-a5c3-44cf-9d41-d5b65574cfe0 · outbound

This paper cites The Spatially Resolved Bipolar Nebula of Sakurai’s Object.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects The Spatially Resolved Bipolar Nebula of Sakurai’s Object

Reference 90

Resolution: malformed identifier; no resolver link, observed 2026-08-12T11:38:37.411057Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 892cf9ec-cfb1-422a-929b-8a512cfafe79 · outbound

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A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects Recombination of hot ionized nebulae: The old planetary nebula around V4334 Sgr (Sakurai's star)

Reference 91

Resolution: unresolved; no resolver link, observed 2026-08-12T11:38:37.415750Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation f78d3265-a988-42b0-81c5-dede90b380b9 · outbound

This paper cites Common envelope evolution in born-again planetary nebulae - Shaping the H-deficient ejecta of A 30.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects Common envelope evolution in born-again planetary nebulae - Shaping the H-deficient ejecta of A 30

Reference 92

Resolution: unresolved; no resolver link, observed 2026-08-12T11:38:37.419963Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation c74a0642-6bd5-4c7b-8c89-f415e9fcd357 · outbound

This paper cites The heart of Sakurai's Object revealed by ALMA.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects The heart of Sakurai's Object revealed by ALMA

Reference 93

Resolution: unresolved; no resolver link, observed 2026-08-12T11:38:37.424586Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation b60bc435-bd05-4b0c-a74d-51e9fb9a33bd · outbound

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Reference 94

Resolution: unresolved; no resolver link, observed 2026-08-12T11:38:37.429261Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 6a7b4c9f-a007-4fa7-b93e-e8838b33b2ff · outbound

This paper cites The Spatially Resolved Bipolar Nebula of Sakurai’s Object.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects The Spatially Resolved Bipolar Nebula of Sakurai’s Object

Reference 95

Resolution: verified exact; doi, observed 2026-08-12T11:38:40.779779Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.

Observation 01f26049-d5f9-45b0-91fd-e4e2e527eb0f · outbound

This paper cites The inside-out planetary nebula around a born-again star.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects The inside-out planetary nebula around a born-again star

Reference 96

Resolution: unresolved; no resolver link, observed 2026-08-12T11:38:37.438087Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 50437e97-9562-47cb-b170-3bb3e35c3707 · outbound

This paper cites The Spectra of Ten Gaseous Nebulae.

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects The Spectra of Ten Gaseous Nebulae

Reference 97

Resolution: verified exact; doi, observed 2026-08-12T11:38:40.749737Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.

Observation e1cb1a72-531f-4092-84a4-47da9c4afac6 · outbound

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A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects The hydrogen-deficient knot of the `born again' planetary nebula Abell 58 (V605 Aql)

Reference 98

Resolution: unresolved; no resolver link, observed 2026-08-12T11:38:37.447864Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation d3eda1e7-4cd4-4660-86c3-3a9074c58daf · outbound

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A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects Abundance Analysis of the J4 Equatorial Knot of the Born-again Planetary Nebula A30

Reference 99

Resolution: malformed identifier; no resolver link, observed 2026-08-12T11:38:37.451878Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation b7ec47fa-3d43-41af-8d15-29a11e67a2d6 · outbound

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Reference 100

Resolution: unresolved; no resolver link, observed 2026-08-12T11:38:37.456573Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

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