Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-14T11:07:33.366450Z
Paper Citation Record · LEDGER
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.
Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-14T11:07:33.366450Z
One-hop event checks from named stored sources.
Source: scholarly_work_events, retraction_status_cache, observed 2026-08-20T06:33:59.587034+00:00
Pith citing papers itemized under the disclosed page cap.
Source: paper_references, paper_reference_links
A source-named dated measurement, never combined with another source.
Source: cited_works
28 of 28 outbound references displayed
External citation measurements
No source-named external measurement is stored.
Observation cd20a3c3-07ac-4f2a-bb50-779379176c2f · outbound
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
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 11023234-91d7-40c2-820c-e324ef2fc22c · outbound
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
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation e18412bb-8439-47a3-a313-652e4f664383 · outbound
FACT -- Multi-wavelength analysis of more than 30 flares of Mrk 421 A Proton Synchrotron Blazar Model for Flaring in Markarian~501
Reference 3
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 470b72b2-dd84-4d38-be83-2776e68e3219 · outbound
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
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation df7dbee7-9964-405b-b748-bc72db27eddd · outbound
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
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
Observation 5637f836-3f95-4b9a-9c52-73c776f340e5 · outbound
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
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 1982faf7-8ede-4f0b-9f47-aa9880b741b8 · outbound
FACT -- Multi-wavelength analysis of more than 30 flares of Mrk 421 FACT - Long-term Monitoring of Bright TeV-Blazars
Reference 7
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
Observation 9c07e367-0cf1-4f42-9f67-07db4026b265 · outbound
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
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 40cd85e3-ba68-4488-bdf1-05118520b977 · outbound
FACT -- Multi-wavelength analysis of more than 30 flares of Mrk 421 Hildebrand, M
Reference 9
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
Observation 20473eb0-2f23-4ccc-a73b-cd878ca24c68 · outbound
FACT -- Multi-wavelength analysis of more than 30 flares of Mrk 421 Mahlke, T
Reference 10
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
Observation 2fb70026-f33b-4b46-8fd5-a6e1e3cb6edf · outbound
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
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
Observation 1fdfd3b5-06eb-46d0-acf2-1d79a399917b · outbound
FACT -- Multi-wavelength analysis of more than 30 flares of Mrk 421 Riegel, T
Reference 12
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
Observation 0fd180b5-35b4-4a97-9156-675fac618e97 · outbound
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
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation e899f3c3-0dcc-48d0-87bc-806782961ecc · outbound
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
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 4e639de6-9240-4ea5-80e0-33a97cc5caac · outbound
FACT -- Multi-wavelength analysis of more than 30 flares of Mrk 421 The Swift X-ray Telescope
Reference 15
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation cfabeb63-faee-4594-b3a1-7ecf40ae2c40 · outbound
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
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 15b9c58d-2df7-4125-8d86-c95bf8a2a6f8 · outbound
FACT -- Multi-wavelength analysis of more than 30 flares of Mrk 421 The Swift Ultra-Violet/Optical Telescope
Reference 17
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 239ced06-cb46-457c-8970-ffa95adee51c · outbound
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
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation f1b9646e-9645-4dc0-a56b-5e45a20c4285 · outbound
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
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
Observation bff9e359-c47a-4560-8fbb-e3728581a07b · outbound
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
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
Observation 046756c4-655d-4d61-9447-7c2c65a18ecf · outbound
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
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 0bf382c1-9fa2-4663-b6d3-e54c51144670 · outbound
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
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 17439081-0ebd-469d-99bd-614baad117ef · outbound
FACT -- Multi-wavelength analysis of more than 30 flares of Mrk 421 Unresolved cited work
Reference 23
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
Observation 34953015-2639-4f95-9caf-fb4516a7e259 · outbound
FACT -- Multi-wavelength analysis of more than 30 flares of Mrk 421 Studies in Astronomical Time Series Analysis. VI. Bayesian Block Representations
Reference 24
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation c13d58b3-2227-4ef9-a65f-5990cda42c85 · outbound
FACT -- Multi-wavelength analysis of more than 30 flares of Mrk 421 Modelling the submillimetre-to-radio flaring behaviour of 3C 273
Reference 25
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 5d8f1fe5-1ce1-4540-beed-264b09879671 · outbound
FACT -- Multi-wavelength analysis of more than 30 flares of Mrk 421 The high energy spectrum of 3C 273
Reference 26
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
Observation c22a1b21-f5b6-48f0-b9ca-3c5295b88696 · outbound
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
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 8b1c3d82-acb9-4cd8-8343-82d686148ff9 · outbound
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
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
No inbound Pith citation observations are available.