Testing Extended Theories of Gravity via Black Hole Photon Rings | Paper Citation Record

Observation e52e33f4-06c2-44b0-8234-eaee4e1048e2 · outbound

This paper cites The Confrontation between General Relativity and Experiment.

Testing Extended Theories of Gravity via Black Hole Photon Rings The Confrontation between General Relativity and Experiment

Reference 1

Resolution: unresolved; no resolver link, observed 2026-08-07T13:46:28.603768Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 47e8a213-09ad-40b5-be8d-6578355b63c3 · outbound

This paper cites an unresolved cited work.

Testing Extended Theories of Gravity via Black Hole Photon Rings Unresolved cited work

Reference 2

Resolution: unresolved; raw_fallback, observed 2026-08-07T13:46:39.122598Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation c50b0010-5245-4da6-9f33-cdfe97560138 · outbound

This paper cites an unresolved cited work.

Testing Extended Theories of Gravity via Black Hole Photon Rings Unresolved cited work

Reference 3

Resolution: unresolved; raw_fallback, observed 2026-08-07T13:46:38.882864Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation 3b2ee1f8-b990-4b23-9501-964f3c9e8475 · outbound

This paper cites an unresolved cited work.

Testing Extended Theories of Gravity via Black Hole Photon Rings Unresolved cited work

Reference 4

Resolution: unresolved; raw_fallback, observed 2026-08-07T13:46:38.798556Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation c8c10674-9271-4d96-bdc3-f147b4f45c74 · outbound

This paper cites Testing General Relativity with Present and Future Astrophysical Observations.

Testing Extended Theories of Gravity via Black Hole Photon Rings Testing General Relativity with Present and Future Astrophysical Observations

Reference 5

Resolution: unresolved; no resolver link, observed 2026-08-07T13:46:29.230142Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 948e0b04-12ee-4eaf-8680-debe0b4f669d · outbound

This paper cites Testing the Schwarzschild metric in a strong field region with the Event Horizon Telescope.

Testing Extended Theories of Gravity via Black Hole Photon Rings Testing the Schwarzschild metric in a strong field region with the Event Horizon Telescope

Reference 6

Resolution: unresolved; no resolver link, observed 2026-08-07T13:46:29.292422Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 9f81f662-6ec2-4d3b-9139-91657fd68bb9 · outbound

This paper cites Quantum Gravity at a Lifshitz Point.

Testing Extended Theories of Gravity via Black Hole Photon Rings Quantum Gravity at a Lifshitz Point

Reference 7

Resolution: unresolved; no resolver link, observed 2026-08-07T13:46:29.364109Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 80fac3e5-37ab-4d8b-af72-8016ef7c504d · outbound

This paper cites an unresolved cited work.

Testing Extended Theories of Gravity via Black Hole Photon Rings Unresolved cited work

Reference 8

Resolution: unresolved; raw_fallback, observed 2026-08-07T13:46:38.576637Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation 6eb7402e-f61f-43d1-94e1-389d0db02919 · outbound

This paper cites First M87 Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole.

Testing Extended Theories of Gravity via Black Hole Photon Rings First M87 Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole

Reference 9

Resolution: unresolved; no resolver link, observed 2026-08-07T13:46:29.535781Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 303f926b-3c5d-48e4-b519-0d36b9d3b893 · outbound

This paper cites First M87 Event Horizon Telescope Results. II. Array and Instrumentation.

Testing Extended Theories of Gravity via Black Hole Photon Rings First M87 Event Horizon Telescope Results. II. Array and Instrumentation

Reference 10

Resolution: unresolved; no resolver link, observed 2026-08-07T13:46:29.623575Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation c63fd40a-a1e8-416d-b0cb-64a63af36eb2 · outbound

This paper cites First M87 Event Horizon Telescope Results. III. Data Processing and Calibration.

Testing Extended Theories of Gravity via Black Hole Photon Rings First M87 Event Horizon Telescope Results. III. Data Processing and Calibration

Reference 11

Resolution: unresolved; no resolver link, observed 2026-08-07T13:46:29.688155Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation c51c7765-b439-42cd-be39-81b55da2b07c · outbound

This paper cites First M87 Event Horizon Telescope Results. IV. Imaging the Central Supermassive Black Hole.

Testing Extended Theories of Gravity via Black Hole Photon Rings First M87 Event Horizon Telescope Results. IV. Imaging the Central Supermassive Black Hole

Reference 12

Resolution: unresolved; no resolver link, observed 2026-08-07T13:46:29.784011Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation b6dfedef-10c0-4736-b415-3ae31cbb93e5 · outbound

This paper cites First M87 Event Horizon Telescope Results. V. Physical Origin of the Asymmetric Ring.

Testing Extended Theories of Gravity via Black Hole Photon Rings First M87 Event Horizon Telescope Results. V. Physical Origin of the Asymmetric Ring

Reference 13

Resolution: unresolved; no resolver link, observed 2026-08-07T13:46:29.875739Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 8781cea7-49ef-487a-b510-de479eb6f83e · outbound

This paper cites First M87 Event Horizon Telescope Results. VI. The Shadow and Mass of the Central Black Hole.

Testing Extended Theories of Gravity via Black Hole Photon Rings First M87 Event Horizon Telescope Results. VI. The Shadow and Mass of the Central Black Hole

Reference 14

Resolution: unresolved; no resolver link, observed 2026-08-07T13:46:29.972153Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 0395734b-e16b-45d2-8896-cf1e26c10ecb · outbound

This paper cites First Sagittarius A* Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole in the Center of the Milky Way.

Testing Extended Theories of Gravity via Black Hole Photon Rings First Sagittarius A* Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole in the Center of the Milky Way

Reference 15

Resolution: unresolved; no resolver link, observed 2026-08-07T13:46:30.067298Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 8b115320-e168-4c3e-8c7d-e999847420cd · outbound

This paper cites (22) In polar coordinates, ϕ represents the total polar angle change along the null geodesic’s path.

Testing Extended Theories of Gravity via Black Hole Photon Rings (22) In polar coordinates, ϕ represents the total polar angle change along the null geodesic’s path

Reference 16

Resolution: verified fuzzy; raw_fallback, observed 2026-08-07T13:46:39.229110Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation d69f280a-3851-4e58-a968-2130d0f1c2f3 · outbound

This paper cites Black Hole Shadows, Photon Rings, and Lensing Rings.

Testing Extended Theories of Gravity via Black Hole Photon Rings Black Hole Shadows, Photon Rings, and Lensing Rings

Reference 17

Resolution: unresolved; no resolver link, observed 2026-08-07T13:46:30.131835Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 0591f04c-68bb-4e6f-b69e-8983ae734683 · outbound

This paper cites Rings and images of Horndeski hairy black hole illuminated by various thin accretions.

Testing Extended Theories of Gravity via Black Hole Photon Rings Rings and images of Horndeski hairy black hole illuminated by various thin accretions

Reference 18

Resolution: unresolved; no resolver link, observed 2026-08-07T13:46:30.225373Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation a02ca880-8e44-4942-b938-53c97968d8bd · outbound

This paper cites Optical appearance of Einstein-{\AE}ther black hole surrounded by thin disk.

Testing Extended Theories of Gravity via Black Hole Photon Rings Optical appearance of Einstein-{\AE}ther black hole surrounded by thin disk

Reference 19

Resolution: unresolved; no resolver link, observed 2026-08-07T13:46:30.317477Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation c9502183-ba5a-4968-b5e7-7c524b6d7bea · outbound

This paper cites Observing the Inner Shadow of a Black Hole: A Direct View of the Event Horizon.

Testing Extended Theories of Gravity via Black Hole Photon Rings Observing the Inner Shadow of a Black Hole: A Direct View of the Event Horizon

Reference 20

Resolution: unresolved; no resolver link, observed 2026-08-07T13:46:30.411164Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation ec05d56e-660b-418b-aabe-e8a6917f5ce7 · outbound

This paper cites Constraints on Quasinormal modes from Black Hole Shadows in regular non-minimal Einstein Yang-Mills Gravity.

Testing Extended Theories of Gravity via Black Hole Photon Rings Constraints on Quasinormal modes from Black Hole Shadows in regular non-minimal Einstein Yang-Mills Gravity

Reference 21

Resolution: verified exact; local_arxiv, observed 2026-08-07T13:46:37.221372Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation 0c6372c5-cad0-4004-a50d-36805a668d86 · outbound

This paper cites Universal Interferometric Signatures of a Black Hole's Photon Ring.

Testing Extended Theories of Gravity via Black Hole Photon Rings Universal Interferometric Signatures of a Black Hole's Photon Ring

Reference 22

Resolution: unresolved; no resolver link, observed 2026-08-07T13:46:30.606156Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation a2687462-c156-4253-87ab-fa7941ca76c1 · outbound

This paper cites Universal Polarimetric Signatures of the Black Hole Photon Ring.

Testing Extended Theories of Gravity via Black Hole Photon Rings Universal Polarimetric Signatures of the Black Hole Photon Ring

Reference 23

Resolution: unresolved; no resolver link, observed 2026-08-07T13:46:30.701680Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 8285fc64-eefd-4bc3-bc92-eb3668060058 · outbound

This paper cites Extreme Gravitational Lensing near Rotating Black Holes.

Testing Extended Theories of Gravity via Black Hole Photon Rings Extreme Gravitational Lensing near Rotating Black Holes

Reference 24

Resolution: unresolved; no resolver link, observed 2026-08-07T13:46:30.794879Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation ad6ad767-f54c-4ea3-ae39-a3e2cf793644 · outbound

This paper cites Investigating shadow images and rings of the charged Horndeski black hole illuminated by various thin accretions.

Testing Extended Theories of Gravity via Black Hole Photon Rings Investigating shadow images and rings of the charged Horndeski black hole illuminated by various thin accretions

Reference 25

Resolution: unresolved; no resolver link, observed 2026-08-07T13:46:30.893810Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 6c3f27ac-d596-4b4d-8f3a-570988fa8c03 · outbound

This paper cites an unresolved cited work.

Testing Extended Theories of Gravity via Black Hole Photon Rings Unresolved cited work

Reference 26

Resolution: unresolved; raw_fallback, observed 2026-08-07T13:46:38.379216Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation 3353ee8b-b434-4d3f-a63c-e0197f436ae2 · outbound

This paper cites Photon Ring and Observational Appearance of a Hairy Black Hole.

Testing Extended Theories of Gravity via Black Hole Photon Rings Photon Ring and Observational Appearance of a Hairy Black Hole

Reference 27

Resolution: unresolved; no resolver link, observed 2026-08-07T13:46:31.096867Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation b1534f3a-11fc-45fa-9a80-f26d7a7f235a · outbound

This paper cites Shapes and Positions of Black Hole Shadows in Accretion Disks and Spin Parameters of Black Holes.

Testing Extended Theories of Gravity via Black Hole Photon Rings Shapes and Positions of Black Hole Shadows in Accretion Disks and Spin Parameters of Black Holes

Reference 28

Resolution: unresolved; no resolver link, observed 2026-08-07T13:46:31.178213Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation cbe4ca41-b606-4406-ba0b-44c456493fcc · outbound

This paper cites Exploring the Possibility of Testing the No-Hair Theorem with Minkowski-deformed Regular Hairy Black Holes Via Photon Rings.

Testing Extended Theories of Gravity via Black Hole Photon Rings Exploring the Possibility of Testing the No-Hair Theorem with Minkowski-deformed Regular Hairy Black Holes Via Photon Rings

Reference 29

Resolution: unresolved; no resolver link, observed 2026-08-07T13:46:31.273758Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 69f352fa-6d5b-413e-9e3a-905f9861ee0a · outbound

This paper cites Kerr-like Black Hole Surrounded by Cold Dark Matter Halo: The Shadow Images and EHT Constraints.

Testing Extended Theories of Gravity via Black Hole Photon Rings Kerr-like Black Hole Surrounded by Cold Dark Matter Halo: The Shadow Images and EHT Constraints

Reference 30

Resolution: unresolved; no resolver link, observed 2026-08-07T13:46:31.346745Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation e171775d-affd-4530-ba24-d7f1e272dc06 · outbound

This paper cites Revisiting the shadow of Johannsen-Psaltis black holes.

Testing Extended Theories of Gravity via Black Hole Photon Rings Revisiting the shadow of Johannsen-Psaltis black holes

Reference 31

Resolution: unresolved; no resolver link, observed 2026-08-07T13:46:31.419295Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation f1801d21-097d-4c8d-a98c-288576d96a13 · outbound

This paper cites Holographic images of a charged black hole in Lorentz symmetry breaking massive gravity.

Testing Extended Theories of Gravity via Black Hole Photon Rings Holographic images of a charged black hole in Lorentz symmetry breaking massive gravity

Reference 32

Resolution: unresolved; no resolver link, observed 2026-08-07T13:46:31.516601Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 9897ca92-a216-4d25-906a-9a75771f21fd · outbound

This paper cites Holographic Einstein rings of a Gauss-Bonnet AdS black hole.

Testing Extended Theories of Gravity via Black Hole Photon Rings Holographic Einstein rings of a Gauss-Bonnet AdS black hole

Reference 33

Resolution: unresolved; no resolver link, observed 2026-08-07T13:46:31.620655Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 4591110d-c662-4418-b351-edd9ae3df7e3 · outbound

This paper cites QED and accretion flow models effect on optical appearance of Euler-Heisenberg black holes.

Testing Extended Theories of Gravity via Black Hole Photon Rings QED and accretion flow models effect on optical appearance of Euler-Heisenberg black holes

Reference 34

Resolution: unresolved; no resolver link, observed 2026-08-07T13:46:31.714106Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 185d998e-86fd-4283-ab35-101ec15f8103 · outbound

This paper cites The Optical Appearance of Charged Four-Dimensional Gauss-Bonnet Black Hole with Strings Cloud and Non-Commutative Geometry Surrounded by Various Accretions Profiles.

Testing Extended Theories of Gravity via Black Hole Photon Rings The Optical Appearance of Charged Four-Dimensional Gauss-Bonnet Black Hole with Strings Cloud and Non-Commutative Geometry Surrounded by Various Accretions Profiles

Reference 35

Resolution: verified exact; local_arxiv, observed 2026-08-07T13:46:36.818058Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation 9d4e5ab2-bb9f-4f25-a40b-f8c9287da756 · outbound

This paper cites an unresolved cited work.

Testing Extended Theories of Gravity via Black Hole Photon Rings Unresolved cited work

Reference 36

Resolution: unresolved; no resolver link, observed 2026-08-07T13:46:31.892149Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation a5b8424b-1fb5-4dc8-8d7d-89926f6b2783 · outbound

This paper cites Photon Rings around Kerr and Kerr-like Black Holes.

Testing Extended Theories of Gravity via Black Hole Photon Rings Photon Rings around Kerr and Kerr-like Black Holes

Reference 37

Resolution: unresolved; no resolver link, observed 2026-08-07T13:46:31.983622Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 27020038-bec4-4eb2-bdea-e9ec9797361d · outbound

This paper cites Optical appearance of the Konoplya-Zhidenko rotating non-Kerr black hole surrounded by a thin accretion disk.

Testing Extended Theories of Gravity via Black Hole Photon Rings Optical appearance of the Konoplya-Zhidenko rotating non-Kerr black hole surrounded by a thin accretion disk

Reference 38

Resolution: unresolved; no resolver link, observed 2026-08-07T13:46:32.041530Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation d317a413-7010-4dbc-b8ab-278efcc9788a · outbound

This paper cites The shadows and observational appearance of a noncommutative black hole surrounded by various profiles of accretions.

Testing Extended Theories of Gravity via Black Hole Photon Rings The shadows and observational appearance of a noncommutative black hole surrounded by various profiles of accretions

Reference 39

Resolution: unresolved; no resolver link, observed 2026-08-07T13:46:32.120846Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 35d3d7c3-69c6-4c3c-a17f-e26f782b6d37 · outbound

This paper cites Shadows, rings and optical appearance of a magnetically charged regular black hole illuminated by various accretion disks.

Testing Extended Theories of Gravity via Black Hole Photon Rings Shadows, rings and optical appearance of a magnetically charged regular black hole illuminated by various accretion disks

Reference 40

Resolution: unresolved; no resolver link, observed 2026-08-07T13:46:32.182789Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation ba3d6214-c115-493e-a1c8-8da7b935b251 · outbound

This paper cites The Current Ability to Test Theories of Gravity with Black Hole Shadows.

Testing Extended Theories of Gravity via Black Hole Photon Rings The Current Ability to Test Theories of Gravity with Black Hole Shadows

Reference 41

Resolution: unresolved; no resolver link, observed 2026-08-07T13:46:32.261930Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation fe9b704f-a21f-4e78-9ee0-45acba8cc1aa · outbound

This paper cites Shadows and photon rings of a spherically accreting Kehagias-Sfetsos black hole.

Testing Extended Theories of Gravity via Black Hole Photon Rings Shadows and photon rings of a spherically accreting Kehagias-Sfetsos black hole

Reference 42

Resolution: unresolved; no resolver link, observed 2026-08-07T13:46:32.384606Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation e8038146-a826-4c2d-80a2-6f8410fd354e · outbound

This paper cites Extended Theories of Gravity.

Testing Extended Theories of Gravity via Black Hole Photon Rings Extended Theories of Gravity

Reference 43

Resolution: unresolved; no resolver link, observed 2026-08-07T13:46:32.443212Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 3ee00399-cd39-44de-858e-02a8ec3662ce · outbound

This paper cites Modified gravity with $f(R) = \sqrt{R^2 - R_0^2}$.

Testing Extended Theories of Gravity via Black Hole Photon Rings Modified gravity with $f(R) = \sqrt{R^2 - R_0^2}$

Reference 44

Resolution: verified exact; local_arxiv, observed 2026-08-07T13:46:36.372780Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation 4832aba2-2f70-451a-a90c-b261e7383635 · outbound

This paper cites an unresolved cited work.

Testing Extended Theories of Gravity via Black Hole Photon Rings Unresolved cited work

Reference 45

Resolution: unresolved; raw_fallback, observed 2026-08-07T13:46:38.197904Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation c94a349b-86a9-4d70-9d87-8493e19aa742 · outbound

This paper cites Condensate cosmology -- dark energy from dark matter.

Testing Extended Theories of Gravity via Black Hole Photon Rings Condensate cosmology -- dark energy from dark matter

Reference 46

Resolution: verified exact; local_arxiv, observed 2026-08-07T13:46:36.083643Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation a119a8c6-65ec-4f74-8b72-1b2f0d7de855 · outbound

This paper cites On the weak field approximation of Brans-Dicke theory of gravity.

Testing Extended Theories of Gravity via Black Hole Photon Rings On the weak field approximation of Brans-Dicke theory of gravity

Reference 47

Resolution: verified exact; local_arxiv, observed 2026-08-07T13:46:35.864604Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation e9e9e872-c175-4c90-aa12-ec35596c28b2 · outbound

This paper cites Brans and R.

Testing Extended Theories of Gravity via Black Hole Photon Rings Brans and R

Reference 48

Resolution: unresolved; no resolver link, observed 2026-08-07T13:46:32.849610Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 8d915647-c3be-48ba-a83d-877e42ed33e9 · outbound

This paper cites f(R) theories.

Testing Extended Theories of Gravity via Black Hole Photon Rings f(R) theories

Reference 49

Resolution: unresolved; no resolver link, observed 2026-08-07T13:46:32.950591Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 00a957d3-4bef-41b5-9e32-3ce8de6e78aa · outbound

This paper cites f(R) Theories Of Gravity.

Testing Extended Theories of Gravity via Black Hole Photon Rings f(R) Theories Of Gravity

Reference 50

Resolution: unresolved; no resolver link, observed 2026-08-07T13:46:33.060627Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 1ad70dfa-aa33-44a8-823b-6c406b8f7765 · outbound

This paper cites Spherically symmetric spacetimes in f(R) gravity theories.

Testing Extended Theories of Gravity via Black Hole Photon Rings Spherically symmetric spacetimes in f(R) gravity theories

Reference 51

Resolution: unresolved; no resolver link, observed 2026-08-07T13:46:33.144175Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 29196d6f-c7bc-4ce6-bfe5-281d6df4a55b · outbound

This paper cites Damour and G.

Testing Extended Theories of Gravity via Black Hole Photon Rings Damour and G

Reference 52

Resolution: unresolved; no resolver link, observed 2026-08-07T13:46:33.200399Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 64e12676-aeaa-41bd-aa4e-0f28e5489435 · outbound

This paper cites f(R) Gravity and scalar-tensor theory.

Testing Extended Theories of Gravity via Black Hole Photon Rings f(R) Gravity and scalar-tensor theory

Reference 53

Resolution: unresolved; no resolver link, observed 2026-08-07T13:46:33.261562Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 88893cb9-0df4-41ce-816c-8199c1b65e4b · outbound

This paper cites Futamase, T.

Testing Extended Theories of Gravity via Black Hole Photon Rings Futamase, T

Reference 54

Resolution: verified fuzzy; raw_fallback, observed 2026-08-07T13:46:38.001857Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation b078c1ad-765b-403c-8413-397d199a9876 · outbound

This paper cites Extended Theories of Gravity and their Cosmological and Astrophysical Applications.

Testing Extended Theories of Gravity via Black Hole Photon Rings Extended Theories of Gravity and their Cosmological and Astrophysical Applications

Reference 55

Resolution: unresolved; no resolver link, observed 2026-08-07T13:46:33.444896Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 81ce41fa-87b4-4693-ae9b-1e7aba656d38 · outbound

This paper cites an unresolved cited work.

Testing Extended Theories of Gravity via Black Hole Photon Rings Unresolved cited work

Reference 56

Resolution: unresolved; raw_fallback, observed 2026-08-07T13:46:37.838660Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation 0bf3bcc8-011c-40bb-a768-5b145b2cdbd1 · outbound

This paper cites an unresolved cited work.

Testing Extended Theories of Gravity via Black Hole Photon Rings Unresolved cited work

Reference 57

Resolution: unresolved; raw_fallback, observed 2026-08-07T13:46:37.642090Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation f3bf6cfb-0c46-4cda-b50d-cd2ad30942e5 · outbound

This paper cites General black-hole metric mimicking Schwarzschild spacetime.

Testing Extended Theories of Gravity via Black Hole Photon Rings General black-hole metric mimicking Schwarzschild spacetime

Reference 58

Resolution: verified exact; local_arxiv, observed 2026-08-07T13:46:35.478358Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation 5e7238f7-f00b-431f-9c88-97d77dbbce0b · outbound

This paper cites Tachyonic instability and spontaneous scalarization in parameterized Schwarzschild-like black holes.

Testing Extended Theories of Gravity via Black Hole Photon Rings Tachyonic instability and spontaneous scalarization in parameterized Schwarzschild-like black holes

Reference 59

Resolution: unresolved; no resolver link, observed 2026-08-07T13:46:33.792520Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation e79e413b-8aea-47a4-94d9-6cebf9f1811b · outbound

This paper cites Photon Spheres and Spherical Accretion Image of a Hairy Black Hole.

Testing Extended Theories of Gravity via Black Hole Photon Rings Photon Spheres and Spherical Accretion Image of a Hairy Black Hole

Reference 60

Resolution: unresolved; no resolver link, observed 2026-08-07T13:46:33.878488Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 8289e16e-66a9-4a43-9ac9-5bba0db20d44 · outbound

This paper cites Influence of Quantum Correction on the Black Hole Shadows, Photon Rings and Lensing Rings.

Testing Extended Theories of Gravity via Black Hole Photon Rings Influence of Quantum Correction on the Black Hole Shadows, Photon Rings and Lensing Rings

Reference 61

Resolution: unresolved; no resolver link, observed 2026-08-07T13:46:33.991705Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation fd29b46c-6cad-49c7-a6a6-3909c2485de9 · outbound

This paper cites Shadow and stability of quantum-corrected black holes.

Testing Extended Theories of Gravity via Black Hole Photon Rings Shadow and stability of quantum-corrected black holes

Reference 62

Resolution: unresolved; no resolver link, observed 2026-08-07T13:46:34.112181Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation e289e8bc-a986-497b-a6c8-1ac05ade56b1 · outbound

This paper cites New parametrization for spherically symmetric black holes in metric theories of gravity.

Testing Extended Theories of Gravity via Black Hole Photon Rings New parametrization for spherically symmetric black holes in metric theories of gravity

Reference 63

Resolution: unresolved; no resolver link, observed 2026-08-07T13:46:34.203455Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation bdfb76af-a19a-43c5-aa1a-acb83b575169 · outbound

This paper cites First Sagittarius A* Event Horizon Telescope Results. III: Imaging of the Galactic Center Supermassive Black Hole.

Testing Extended Theories of Gravity via Black Hole Photon Rings First Sagittarius A* Event Horizon Telescope Results. III: Imaging of the Galactic Center Supermassive Black Hole

Reference 64

Resolution: unresolved; no resolver link, observed 2026-08-07T13:46:34.287454Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation bbdd7c17-ab77-4c4f-81e7-603c180a73b8 · outbound

This paper cites Shadows, Quasinormal Modes, and Optical Appearances of Black Holes in Horndeski Theory.

Testing Extended Theories of Gravity via Black Hole Photon Rings Shadows, Quasinormal Modes, and Optical Appearances of Black Holes in Horndeski Theory

Reference 65

Resolution: verified exact; local_arxiv, observed 2026-08-07T13:46:35.146270Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation 49cc39fb-f825-4560-94a8-2495da32d74f · outbound

This paper cites Gravitational Test Beyond the First Post-Newtonian Order with the Shadow of the M87 Black Hole.

Testing Extended Theories of Gravity via Black Hole Photon Rings Gravitational Test Beyond the First Post-Newtonian Order with the Shadow of the M87 Black Hole

Reference 66

Resolution: unresolved; no resolver link, observed 2026-08-07T13:46:34.611116Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 78bbe0ea-daa5-4fef-8712-815e37c6503c · outbound

This paper cites Shadows and rings of the Kehagias-Sfetsos black hole surrounded by thin disk accretion.

Testing Extended Theories of Gravity via Black Hole Photon Rings Shadows and rings of the Kehagias-Sfetsos black hole surrounded by thin disk accretion

Reference 67

Resolution: unresolved; no resolver link, observed 2026-08-07T13:46:34.754924Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Coverage vector

Reference resolution

Outbound references

Pith citing papers