Paper Citation Record · LEDGER

FACT -- Multi-wavelength analysis of more than 30 flares of Mrk 421

As of 20 August 2026, this Paper Citation Record lists 28 of 28 outbound references and 0 inbound Pith citation observations for arXiv:1908.09770.

A citation records a reference. It does not transfer a finding from one paper to another.

pith.paper-citation-record.v1
1908.09770 v1

Coverage vector

measured 28 of 28 reference resolution

Typed states for the displayed outbound observations.

Source: paper_references, paper_reference_links, observed 2026-08-14T11:07:33.366450Z

measured 28 of 28 standing notices

One-hop event checks from named stored sources.

Source: scholarly_work_events, retraction_status_cache, observed 2026-08-19T06:32:44.657259+00:00

measured 0 of 0 inbound itemization

Pith citing papers itemized under the disclosed page cap.

Source: paper_references, paper_reference_links

measured 0 of 1 external citation measurements

A source-named dated measurement, never combined with another source.

Source: cited_works

Reference resolution

28 of 28 outbound references displayed

verified exact7
verified fuzzy4
unresolved17
parse uncertain0
malformed identifier0
metadata mismatch0

External citation measurements

No source-named external measurement is stored.

Outbound references

Observation cd20a3c3-07ac-4f2a-bb50-779379176c2f · outbound

This paper cites Fermi-LAT Observations of Markarian 421: the Missing Piece of its Spectral Energy Distribution.

FACT -- Multi-wavelength analysis of more than 30 flares of Mrk 421 Fermi-LAT Observations of Markarian 421: the Missing Piece of its Spectral Energy Distribution

Reference 1

Resolution: unresolved; no resolver link, observed 2026-08-14T11:07:33.209481Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 11023234-91d7-40c2-820c-e324ef2fc22c · outbound

This paper cites A hadronic origin for ultra-high-frequency-peaked BL Lac objects.

FACT -- Multi-wavelength analysis of more than 30 flares of Mrk 421 A hadronic origin for ultra-high-frequency-peaked BL Lac objects

Reference 2

Resolution: unresolved; no resolver link, observed 2026-08-14T11:07:33.215164Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation e18412bb-8439-47a3-a313-652e4f664383 · outbound

This paper cites A Proton Synchrotron Blazar Model for Flaring in Markarian~501.

FACT -- Multi-wavelength analysis of more than 30 flares of Mrk 421 A Proton Synchrotron Blazar Model for Flaring in Markarian~501

Reference 3

Resolution: unresolved; no resolver link, observed 2026-08-14T11:07:33.221307Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 470b72b2-dd84-4d38-be83-2776e68e3219 · outbound

This paper cites Rapid and multi-band variability of the TeV-bright active nucleus of the galaxy IC 310.

FACT -- Multi-wavelength analysis of more than 30 flares of Mrk 421 Rapid and multi-band variability of the TeV-bright active nucleus of the galaxy IC 310

Reference 4

Resolution: unresolved; no resolver link, observed 2026-08-14T11:07:33.227150Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation df7dbee7-9964-405b-b748-bc72db27eddd · outbound

This paper cites Evolution of the Synchrotron Spectrum in Mrk421 during the 1998 Campaign.

FACT -- Multi-wavelength analysis of more than 30 flares of Mrk 421 Evolution of the Synchrotron Spectrum in Mrk421 during the 1998 Campaign

Reference 5

Resolution: verified exact; local_arxiv, observed 2026-08-14T11:07:33.831014Z

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 5637f836-3f95-4b9a-9c52-73c776f340e5 · outbound

This paper cites The 2009 multiwavelength campaign on Mrk 421: Variability and correlation studies.

FACT -- Multi-wavelength analysis of more than 30 flares of Mrk 421 The 2009 multiwavelength campaign on Mrk 421: Variability and correlation studies

Reference 6

Resolution: unresolved; no resolver link, observed 2026-08-14T11:07:33.238418Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 1982faf7-8ede-4f0b-9f47-aa9880b741b8 · outbound

This paper cites FACT - Long-term Monitoring of Bright TeV-Blazars.

FACT -- Multi-wavelength analysis of more than 30 flares of Mrk 421 FACT - Long-term Monitoring of Bright TeV-Blazars

Reference 7

Resolution: verified exact; local_arxiv, observed 2026-08-14T11:07:33.784565Z

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 9c07e367-0cf1-4f42-9f67-07db4026b265 · outbound

This paper cites Design and Operation of FACT -- The First G-APD Cherenkov Telescope.

FACT -- Multi-wavelength analysis of more than 30 flares of Mrk 421 Design and Operation of FACT -- The First G-APD Cherenkov Telescope

Reference 8

Resolution: unresolved; no resolver link, observed 2026-08-14T11:07:33.249738Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 40cd85e3-ba68-4488-bdf1-05118520b977 · outbound

This paper cites Hildebrand, M.

FACT -- Multi-wavelength analysis of more than 30 flares of Mrk 421 Hildebrand, M

Reference 9

Resolution: verified fuzzy; raw_fallback, observed 2026-08-14T11:07:33.972005Z

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 20473eb0-2f23-4ccc-a73b-cd878ca24c68 · outbound

This paper cites Mahlke, T.

FACT -- Multi-wavelength analysis of more than 30 flares of Mrk 421 Mahlke, T

Reference 10

Resolution: verified fuzzy; raw_fallback, observed 2026-08-14T11:07:33.955482Z

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 2fb70026-f33b-4b46-8fd5-a6e1e3cb6edf · outbound

This paper cites Zenith angle dependence of the cosmic ray rate as measured with Imaging air-Cherenkov Telescopes.

FACT -- Multi-wavelength analysis of more than 30 flares of Mrk 421 Zenith angle dependence of the cosmic ray rate as measured with Imaging air-Cherenkov Telescopes

Reference 11

Resolution: verified exact; local_arxiv, observed 2026-08-14T11:07:33.741842Z

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 1fdfd3b5-06eb-46d0-acf2-1d79a399917b · outbound

This paper cites Riegel, T.

FACT -- Multi-wavelength analysis of more than 30 flares of Mrk 421 Riegel, T

Reference 12

Resolution: verified fuzzy; raw_fallback, observed 2026-08-14T11:07:33.939324Z

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 0fd180b5-35b4-4a97-9156-675fac618e97 · outbound

This paper cites The Large Area Telescope on the Fermi Gamma-ray Space Telescope Mission.

FACT -- Multi-wavelength analysis of more than 30 flares of Mrk 421 The Large Area Telescope on the Fermi Gamma-ray Space Telescope Mission

Reference 13

Resolution: unresolved; no resolver link, observed 2026-08-14T11:07:33.278849Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation e899f3c3-0dcc-48d0-87bc-806782961ecc · outbound

This paper cites The 70 Month Swift-BAT All-Sky Hard X-Ray Survey.

FACT -- Multi-wavelength analysis of more than 30 flares of Mrk 421 The 70 Month Swift-BAT All-Sky Hard X-Ray Survey

Reference 14

Resolution: unresolved; no resolver link, observed 2026-08-14T11:07:33.284491Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 4e639de6-9240-4ea5-80e0-33a97cc5caac · outbound

This paper cites The Swift X-ray Telescope.

FACT -- Multi-wavelength analysis of more than 30 flares of Mrk 421 The Swift X-ray Telescope

Reference 15

Resolution: unresolved; no resolver link, observed 2026-08-14T11:07:33.290410Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation cfabeb63-faee-4594-b3a1-7ecf40ae2c40 · outbound

This paper cites The MAXI Mission on the ISS: Science and Instruments for Monitoring All Sky X-Ray Images.

FACT -- Multi-wavelength analysis of more than 30 flares of Mrk 421 The MAXI Mission on the ISS: Science and Instruments for Monitoring All Sky X-Ray Images

Reference 16

Resolution: unresolved; no resolver link, observed 2026-08-14T11:07:33.297646Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 15b9c58d-2df7-4125-8d86-c95bf8a2a6f8 · outbound

This paper cites The Swift Ultra-Violet/Optical Telescope.

FACT -- Multi-wavelength analysis of more than 30 flares of Mrk 421 The Swift Ultra-Violet/Optical Telescope

Reference 17

Resolution: unresolved; no resolver link, observed 2026-08-14T11:07:33.303076Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 239ced06-cb46-457c-8970-ffa95adee51c · outbound

This paper cites Coordinated Fermi/Optical Monitoring of Blazars and the Great 2009 September Gamma-ray Flare of 3C 454.3.

FACT -- Multi-wavelength analysis of more than 30 flares of Mrk 421 Coordinated Fermi/Optical Monitoring of Blazars and the Great 2009 September Gamma-ray Flare of 3C 454.3

Reference 18

Resolution: unresolved; no resolver link, observed 2026-08-14T11:07:33.309468Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation f1b9646e-9645-4dc0-a56b-5e45a20c4285 · outbound

This paper cites On characterising the variability properties of X-ray light curves from active galaxies.

FACT -- Multi-wavelength analysis of more than 30 flares of Mrk 421 On characterising the variability properties of X-ray light curves from active galaxies

Reference 19

Resolution: verified exact; local_arxiv, observed 2026-08-14T11:07:33.617185Z

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 bff9e359-c47a-4560-8fbb-e3728581a07b · outbound

This paper cites Superorbital variability of X-ray and radio emission of Cyg X-1 - II. Dependence of the orbital modulation and spectral hardness on the superorbital phase.

FACT -- Multi-wavelength analysis of more than 30 flares of Mrk 421 Superorbital variability of X-ray and radio emission of Cyg X-1 - II. Dependence of the orbital modulation and spectral hardness on the superorbital phase

Reference 20

Resolution: verified exact; local_arxiv, observed 2026-08-14T11:07:33.594417Z

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 046756c4-655d-4d61-9447-7c2c65a18ecf · outbound

This paper cites Unprecedented study of the broadband emission of Mrk 421 during flaring activity in March 2010.

FACT -- Multi-wavelength analysis of more than 30 flares of Mrk 421 Unprecedented study of the broadband emission of Mrk 421 during flaring activity in March 2010

Reference 21

Resolution: unresolved; no resolver link, observed 2026-08-14T11:07:33.325689Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 0bf382c1-9fa2-4663-b6d3-e54c51144670 · outbound

This paper cites On Uncertainties in Cross-Correlation Lags and the Reality of Wavelength-Dependent Continuum Lags in Active Galactic Nuclei.

FACT -- Multi-wavelength analysis of more than 30 flares of Mrk 421 On Uncertainties in Cross-Correlation Lags and the Reality of Wavelength-Dependent Continuum Lags in Active Galactic Nuclei

Reference 22

Resolution: unresolved; no resolver link, observed 2026-08-14T11:07:33.331854Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 17439081-0ebd-469d-99bd-614baad117ef · outbound

This paper cites an unresolved cited work.

FACT -- Multi-wavelength analysis of more than 30 flares of Mrk 421 Unresolved cited work

Reference 23

Resolution: verified exact; raw_fallback, observed 2026-08-14T11:07:33.536062Z

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 34953015-2639-4f95-9caf-fb4516a7e259 · outbound

This paper cites Studies in Astronomical Time Series Analysis. VI. Bayesian Block Representations.

FACT -- Multi-wavelength analysis of more than 30 flares of Mrk 421 Studies in Astronomical Time Series Analysis. VI. Bayesian Block Representations

Reference 24

Resolution: unresolved; no resolver link, observed 2026-08-14T11:07:33.343579Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation c13d58b3-2227-4ef9-a65f-5990cda42c85 · outbound

This paper cites Modelling the submillimetre-to-radio flaring behaviour of 3C 273.

FACT -- Multi-wavelength analysis of more than 30 flares of Mrk 421 Modelling the submillimetre-to-radio flaring behaviour of 3C 273

Reference 25

Resolution: unresolved; no resolver link, observed 2026-08-14T11:07:33.349793Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 5d8f1fe5-1ce1-4540-beed-264b09879671 · outbound

This paper cites The high energy spectrum of 3C 273.

FACT -- Multi-wavelength analysis of more than 30 flares of Mrk 421 The high energy spectrum of 3C 273

Reference 26

Resolution: verified exact; local_arxiv, observed 2026-08-14T11:07:33.427836Z

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 c22a1b21-f5b6-48f0-b9ca-3c5295b88696 · outbound

This paper cites Blazars in the Fermi Era: The OVRO 40-m Telescope Monitoring Program.

FACT -- Multi-wavelength analysis of more than 30 flares of Mrk 421 Blazars in the Fermi Era: The OVRO 40-m Telescope Monitoring Program

Reference 27

Resolution: unresolved; no resolver link, observed 2026-08-14T11:07:33.361378Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 8b1c3d82-acb9-4cd8-8343-82d686148ff9 · outbound

This paper cites Gehrels and Swift Team, The Swift γ-ray burst mission, New Astronomy Reviews 48 (2004) 431.

FACT -- Multi-wavelength analysis of more than 30 flares of Mrk 421 Gehrels and Swift Team, The Swift γ-ray burst mission, New Astronomy Reviews 48 (2004) 431

Reference 28

Resolution: verified fuzzy; raw_fallback, observed 2026-08-14T11:07:33.921501Z

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.

Pith citing papers

No inbound Pith citation observations are available.