Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links
Paper Citation Record · LEDGER
As of 20 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 5 inbound Pith citation observations for arXiv:astro-ph/0202251.
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
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, observed 2026-08-12T00:24:02.691860Z
A source-named dated measurement, never combined with another source.
Source: pith, observed 2026-06-28T17:32:25.228655Z
0 of 0 outbound references displayed
External citation measurements
No source-named external measurement is stored.
No outbound reference observations are available for this paper version.
Observation 5b83d960-117d-4d46-8170-7b8bf8e9e746 · inbound
Comparison of symbolic regression algorithms in Star/galaxy/quasar separation Spectroscopic Target Selection in the Sloan Digital Sky Survey: The Quasar Sample
Reference 2002
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation e17b85c3-bf81-4017-8481-bab94840d8f7 · inbound
Understanding the Broad-line Region of Active Galactic Nuclei with Photoionization. II. Slim disks, Self-shadowing, and BLR sizes Spectroscopic Target Selection in the Sloan Digital Sky Survey: The Quasar Sample
Reference 199
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 9730e484-3564-41fb-896a-d59e7f0a59ee · inbound
Unlocking the Full Potential of SKAO Extra-galactic Science with High-multiplex Optical Spectroscopy Spectroscopic Target Selection in the Sloan Digital Sky Survey: The Quasar Sample
Reference 13
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 c8f8c1fb-9c59-45a3-b50a-223a7c0be213 · inbound
VAR-PZnn: A machine-learning framework for AGN photometric redshifts using color and variability-based features Spectroscopic Target Selection in the Sloan Digital Sky Survey: The Quasar Sample
Reference 153
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 88265db0-3e40-431f-b994-bba066724667 · inbound
Unveiling Metal Mixing in a Grand-Design Spiral: A UV-optical multiphase spatially resolved study of M83 Spectroscopic Target Selection in the Sloan Digital Sky Survey: The Quasar Sample
Reference 180
Source-reported events for the cited work
Unavailable: canonical work link unavailable.