Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-16T10:45:06.404589Z
Paper Citation Record · LEDGER
As of 18 August 2026, this Paper Citation Record lists 63 of 63 outbound references and 0 inbound Pith citation observations for arXiv:2504.17436.
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 2026-08-16T10:45:06.404589Z
One-hop event checks from named stored sources.
Source: scholarly_work_events, retraction_status_cache, observed 2026-08-18T06:34:40.430872+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
63 of 63 outbound references displayed
External citation measurements
No source-named external measurement is stored.
Observation 58367348-99bd-440c-b301-a9ba061a8afb · outbound
Detection and Characterization of Quasi-Periodic Oscillations in Seyfert Galaxy NGC 4151 Multi-wavelength study of NGC 1365: The obscured active nucleus and off-nuclear compact X-ray sources
Reference 1
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation 40f136b4-4b74-4166-9b07-236df1a30f41 · outbound
Detection and Characterization of Quasi-Periodic Oscillations in Seyfert Galaxy NGC 4151 The Contribution of the Obscuring Torus to the X--Ray Spectrum of Seyfert Galaxies: A Test for the Unification Model
Reference 2
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 036183fe-ea3a-4aaa-b22e-f3174729e6e7 · outbound
Detection and Characterization of Quasi-Periodic Oscillations in Seyfert Galaxy NGC 4151 Wavelet analysis of millisecond variability of Cygnus X-1 during its failed state transition
Reference 3
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation 1c912390-4596-4121-bf23-615f95adda11 · outbound
Detection and Characterization of Quasi-Periodic Oscillations in Seyfert Galaxy NGC 4151 Gierli´ nski, M
Reference 4
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation 26be38c9-e7f2-454d-a005-a666fec381f4 · outbound
Detection and Characterization of Quasi-Periodic Oscillations in Seyfert Galaxy NGC 4151 Detection of a possible X-ray Quasi-periodic Oscillation in the Active Galactic Nucleus 1H~0707-495
Reference 5
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation 4275d7a7-cb51-4fdc-8051-742a56c91809 · outbound
Detection and Characterization of Quasi-Periodic Oscillations in Seyfert Galaxy NGC 4151 Zhang, J.-Z
Reference 6
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation d955bcf7-fb03-4bda-84d5-c47cc31e54cb · outbound
Detection and Characterization of Quasi-Periodic Oscillations in Seyfert Galaxy NGC 4151 Discovery of a ~2 hr high frequency X-ray QPO and iron K alpha reverberation in the active galaxy MS 2254.9-3712
Reference 7
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation 648511d4-9e6d-418c-b6a8-83390929d775 · outbound
Detection and Characterization of Quasi-Periodic Oscillations in Seyfert Galaxy NGC 4151 A dust-parallax distance of 19 megaparsecs to the supermassive black hole in NGC 4151
Reference 8
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation 9590aac0-48d6-4d65-bdde-e10aad4f8c53 · outbound
Detection and Characterization of Quasi-Periodic Oscillations in Seyfert Galaxy NGC 4151 BASS XXII: The BASS DR2 AGN Catalog and Data
Reference 9
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 73913263-f6b7-4bc6-b2b7-66fba4b1f338 · outbound
Detection and Characterization of Quasi-Periodic Oscillations in Seyfert Galaxy NGC 4151 Assessing indirect methods to determine black hole masses using NGC 4151
Reference 10
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation 0a9cd51f-f166-461b-a605-8383530a6a28 · outbound
Detection and Characterization of Quasi-Periodic Oscillations in Seyfert Galaxy NGC 4151 Unresolved cited work
Reference 11
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation 5b550407-458a-4670-bd06-45b1cb2a1a64 · outbound
Detection and Characterization of Quasi-Periodic Oscillations in Seyfert Galaxy NGC 4151 Str¨ uder, U
Reference 12
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation e987d2b1-bd53-49ff-abe8-ab17ad435e7f · outbound
Detection and Characterization of Quasi-Periodic Oscillations in Seyfert Galaxy NGC 4151 The European Photon Imaging Camera on XMM-Newton: The MOS Cameras
Reference 13
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation d09bf261-0349-4ea4-b543-78a33ce54e6a · outbound
Detection and Characterization of Quasi-Periodic Oscillations in Seyfert Galaxy NGC 4151 Unresolved cited work
Reference 14
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation f6453dda-2b59-45ba-9232-34b693f01611 · outbound
Detection and Characterization of Quasi-Periodic Oscillations in Seyfert Galaxy NGC 4151 An Overview of the Performance and Scientific Results from the Chandra X-Ray Observatory (CXO)
Reference 15
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation efbaf8dc-b0e3-4d4e-98e5-6e787c118781 · outbound
Detection and Characterization of Quasi-Periodic Oscillations in Seyfert Galaxy NGC 4151 The Chandra X-Ray Observatory: Progress Report and Highlights
Reference 16
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation ef9596fc-cbac-4cd3-9d1e-e66f916daf62 · outbound
Detection and Characterization of Quasi-Periodic Oscillations in Seyfert Galaxy NGC 4151 Unresolved cited work
Reference 17
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation dbc72e1c-8568-4589-a3af-e9ef559490f0 · outbound
Detection and Characterization of Quasi-Periodic Oscillations in Seyfert Galaxy NGC 4151 Unresolved cited work
Reference 18
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation adf7702c-0732-40be-a0b6-69118ecb767c · outbound
Detection and Characterization of Quasi-Periodic Oscillations in Seyfert Galaxy NGC 4151 A Chandra Survey of Milky Way Globular Clusters -- IV. Periodic X-ray sources
Reference 19
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation 81fd8d19-db9b-4978-af96-d8bff2c95b3a · outbound
Detection and Characterization of Quasi-Periodic Oscillations in Seyfert Galaxy NGC 4151 Unresolved cited work
Reference 20
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation 5a89acbb-e17a-4a7d-8e6d-c2d59ac18377 · outbound
Detection and Characterization of Quasi-Periodic Oscillations in Seyfert Galaxy NGC 4151 Unresolved cited work
Reference 21
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation 63a7f6f2-28c4-4b21-bbd1-73c53e73bcf0 · outbound
Detection and Characterization of Quasi-Periodic Oscillations in Seyfert Galaxy NGC 4151 Generating artificial light curves: Revisited and updated
Reference 22
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation a6fb5ef9-e3a0-4fb3-b9fc-6917e4d50aa3 · outbound
Detection and Characterization of Quasi-Periodic Oscillations in Seyfert Galaxy NGC 4151 X-ray variability of 104 active galactic nuclei. XMM-Newton power-spectrum density profiles
Reference 23
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation cebfac50-bf56-44ae-ab1f-fd57b7a8fda7 · outbound
Detection and Characterization of Quasi-Periodic Oscillations in Seyfert Galaxy NGC 4151 Possible ~0.4 hour X-ray quasi-periodicity from an ultrasoft active galactic nucleus
Reference 24
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation a911a027-b71f-4183-b609-6076f9ccc63f · outbound
Detection and Characterization of Quasi-Periodic Oscillations in Seyfert Galaxy NGC 4151 Re-observing the NLS1 Galaxy RE J1034+396. I. the Long-term, Recurrent X-ray QPO with a High Significance
Reference 25
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation e760629f-1317-478a-abe6-0f27b7689bcf · outbound
Detection and Characterization of Quasi-Periodic Oscillations in Seyfert Galaxy NGC 4151 Unresolved cited work
Reference 26
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation 4ed7f504-1d7c-466b-9e19-733caceddb24 · outbound
Detection and Characterization of Quasi-Periodic Oscillations in Seyfert Galaxy NGC 4151 New Insights in the Spectral Variability and Physical Conditions of the X-ray Absorbers in NGC 4151
Reference 27
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation 10e2b5ea-8629-42f3-9852-ceedd2edcbe7 · outbound
Detection and Characterization of Quasi-Periodic Oscillations in Seyfert Galaxy NGC 4151 Mass Outflow of the X-ray Emission Line Gas in NGC 4151
Reference 28
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation 5ccd7ce5-93dd-4adf-a036-2630587f06de · outbound
Detection and Characterization of Quasi-Periodic Oscillations in Seyfert Galaxy NGC 4151 XRISM Spectroscopy of the Fe K$_{\alpha}$ Emission Line in the Seyfert AGN NGC 4151 Reveals the Disk, Broad Line Region, and Torus
Reference 29
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation 34e0a3f9-e967-4092-8993-afaeaa0d9148 · outbound
Detection and Characterization of Quasi-Periodic Oscillations in Seyfert Galaxy NGC 4151 Revisit Short Term X-ray Spectral Variability of NGC 4151 with Chandra
Reference 30
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation 2e4b3d25-db61-4f9f-9bf9-af0674438436 · outbound
Detection and Characterization of Quasi-Periodic Oscillations in Seyfert Galaxy NGC 4151 Broad-band gamma-ray and X-ray spectra of NGC 4151 and their implications for physical processes and geometry
Reference 31
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 9ef217d2-d5a9-499d-ac40-dc55d445bf7a · outbound
Detection and Characterization of Quasi-Periodic Oscillations in Seyfert Galaxy NGC 4151 X-ray power law spectra in active galactic nuclei
Reference 32
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation e714c8c3-83d7-4c52-93fd-39b0a1fb4187 · outbound
Detection and Characterization of Quasi-Periodic Oscillations in Seyfert Galaxy NGC 4151 A Deep Chandra ACIS Study of NGC 4151. III. the Line Emission and Spectral Analysis of the Ionization Cone
Reference 33
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 46a36aae-c2d1-4945-868e-236a02b93e54 · outbound
Detection and Characterization of Quasi-Periodic Oscillations in Seyfert Galaxy NGC 4151 Revisiting The Spectral and Timing Properties of NGC 4151
Reference 34
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation ab94ec60-13ef-41ff-8c3c-90b838d72c21 · outbound
Detection and Characterization of Quasi-Periodic Oscillations in Seyfert Galaxy NGC 4151 Unresolved cited work
Reference 35
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation dd2250a6-6e38-48bd-8fe7-1f6bd45937a0 · outbound
Detection and Characterization of Quasi-Periodic Oscillations in Seyfert Galaxy NGC 4151 X-ray Properties of Black-Hole Binaries
Reference 36
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation eb951750-ec8d-49f1-8dde-3bed590ea380 · outbound
Detection and Characterization of Quasi-Periodic Oscillations in Seyfert Galaxy NGC 4151 Parametric epicyclic resonance in black hole disks: QPOs in micro-quasars
Reference 37
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 340855ae-695c-4c31-8d1f-059330603695 · outbound
Detection and Characterization of Quasi-Periodic Oscillations in Seyfert Galaxy NGC 4151 ˇSr´ amkov´ a, K
Reference 38
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation b3c6d452-3caa-4181-8b02-24999630dece · outbound
Detection and Characterization of Quasi-Periodic Oscillations in Seyfert Galaxy NGC 4151 Searching for Quasi-periodic Oscillations in Active Galactic Nuclei of the Chandra Deep Field South
Reference 39
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation 4e2a7b0e-9ff1-426b-9651-5f3f6d5d884f · outbound
Detection and Characterization of Quasi-Periodic Oscillations in Seyfert Galaxy NGC 4151 Two transient X-ray Quasi-Periodic Oscillations separated by an intermediate state in 1H 0707-495
Reference 40
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation c0113ec9-7dee-4c08-be83-02fdf0f232e3 · outbound
Detection and Characterization of Quasi-Periodic Oscillations in Seyfert Galaxy NGC 4151 An X-ray periodicity of $\sim$1.8 hours in a narrow-line Seyfert 1 galaxy Mrk 766
Reference 41
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation 92eac622-c8fe-469e-afc9-28876301de37 · outbound
Detection and Characterization of Quasi-Periodic Oscillations in Seyfert Galaxy NGC 4151 Unresolved cited work
Reference 42
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation c39d4163-e450-4792-8b47-2b21399afa30 · outbound
Detection and Characterization of Quasi-Periodic Oscillations in Seyfert Galaxy NGC 4151 Unresolved cited work
Reference 43
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 44589c1d-5f9c-4a12-b5c9-3b5c2af39a9e · outbound
Detection and Characterization of Quasi-Periodic Oscillations in Seyfert Galaxy NGC 4151 Unresolved cited work
Reference 44
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation f61f06b2-f527-4543-be7f-f9651e8b2762 · outbound
Detection and Characterization of Quasi-Periodic Oscillations in Seyfert Galaxy NGC 4151 Origin and interpretation of kilohertz QPOs from strange stars in X-ray binary system: theoretical hydrodynamical description
Reference 45
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation bec7f6ed-2086-47b7-ab2d-b4463a81ec30 · outbound
Detection and Characterization of Quasi-Periodic Oscillations in Seyfert Galaxy NGC 4151 Non-Axisymmetric g-Mode and p-Mode Instability in a Hydrodynamic Thin Accretion Disk
Reference 46
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation 22ac0158-5dd1-46ad-886c-9c2a194227b6 · outbound
Detection and Characterization of Quasi-Periodic Oscillations in Seyfert Galaxy NGC 4151 KHz QPOs in LMXBs, relations between different frequencies and compactness of stars
Reference 47
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation 34134fde-8704-4707-af4e-34e593d774a8 · outbound
Detection and Characterization of Quasi-Periodic Oscillations in Seyfert Galaxy NGC 4151 A precise determination of angular momentum in the black hole candidate GRO J1655-40
Reference 48
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 0f7c03e1-49c2-4b2d-801e-d0299033b81d · outbound
Detection and Characterization of Quasi-Periodic Oscillations in Seyfert Galaxy NGC 4151 Correlations in the QPO Frequencies of Low Mass X-Ray Binaries and the Relativistic Precession Model
Reference 49
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 943475de-7358-4d01-8747-65f1125c78a0 · outbound
Detection and Characterization of Quasi-Periodic Oscillations in Seyfert Galaxy NGC 4151 Revisiting Quasi-Periodic modulation in $\gamma$-ray Blazar PKS 2155-304 with Fermi Pass 8 data
Reference 50
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation 00e719e5-cd8b-4f49-a98e-990b71dbb54b · outbound
Detection and Characterization of Quasi-Periodic Oscillations in Seyfert Galaxy NGC 4151 A $\gamma$-ray Quasi-Periodic modulation in the Blazar PKS 0301$-$243?
Reference 51
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation bae2b952-48f2-45c4-af57-bf485e3cc77d · outbound
Detection and Characterization of Quasi-Periodic Oscillations in Seyfert Galaxy NGC 4151 A double-period oscillation signal in millimeter emission of the radio galaxy NGC 1275
Reference 52
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation d386f622-a6ed-48e1-96ec-c9bafe6aa666 · outbound
Detection and Characterization of Quasi-Periodic Oscillations in Seyfert Galaxy NGC 4151 Rezzolla, S
Reference 53
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation 2535bf54-8398-4d80-9313-ad1ded1e4e4a · outbound
Detection and Characterization of Quasi-Periodic Oscillations in Seyfert Galaxy NGC 4151 An Accretion-Ejection Instability in magnetized disks
Reference 54
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 6db046e6-c63f-4319-ba81-0db0b4f41a5d · outbound
Detection and Characterization of Quasi-Periodic Oscillations in Seyfert Galaxy NGC 4151 Unresolved cited work
Reference 55
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation 0da0e9ad-8e72-4ab3-ab6a-b60b04a443da · outbound
Detection and Characterization of Quasi-Periodic Oscillations in Seyfert Galaxy NGC 4151 The importance of discovering a 3:2 twin-peak QPO in a ULX or how to solve the puzzle of intermediate mass black holes
Reference 56
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation e39ff9f4-9143-4df3-a5f9-608cf97a7c32 · outbound
Detection and Characterization of Quasi-Periodic Oscillations in Seyfert Galaxy NGC 4151 QPOs in microquasars and Sgr A*: measuring the black hole spin
Reference 57
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation eaf1064d-95ee-401c-b17b-cf3f9790e622 · outbound
Detection and Characterization of Quasi-Periodic Oscillations in Seyfert Galaxy NGC 4151 Calibrating the correlation between black hole mass and X-ray variability amplitude: X-ray only black hole mass estimates for active galactic nuclei and ultra-luminous X-ray sources
Reference 58
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 610093e5-ef9a-419e-85b5-e705970ac8c0 · outbound
Detection and Characterization of Quasi-Periodic Oscillations in Seyfert Galaxy NGC 4151 Universal scaling of the 3:2 twin-peak quasi-periodic oscillation frequencies with black hole mass and spin revisited
Reference 59
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation 1a8cb289-c03d-42b2-9393-b9b23ce476ad · outbound
Detection and Characterization of Quasi-Periodic Oscillations in Seyfert Galaxy NGC 4151 The High-Frequency QPOs in GRS 1915+105
Reference 60
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation 0546abbc-5f92-4e15-b827-f8ba0eaa2314 · outbound
Detection and Characterization of Quasi-Periodic Oscillations in Seyfert Galaxy NGC 4151 Evidence for High-Frequency QPOs with a 3:2 Frequency Ratio from a 5000 Solar Mass Black Hole
Reference 61
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation a7a42fc7-14f9-4b63-8243-d897e47721fa · outbound
Detection and Characterization of Quasi-Periodic Oscillations in Seyfert Galaxy NGC 4151 The Black Hole Mass of NGC 4151 from Stellar Dynamical Modeling
Reference 62
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 2bcc8a80-4a06-4117-b98c-cd056162bfa9 · outbound
Detection and Characterization of Quasi-Periodic Oscillations in Seyfert Galaxy NGC 4151 The Black Hole Mass of NGC 4151. II. Stellar Dynamical Measurement from Near-Infrared Integral Field Spectroscopy
Reference 63
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
No inbound Pith citation observations are available.