Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links
Paper Citation Record · LEDGER
As of 18 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 1 inbound Pith citation observation for arXiv:astro-ph/9912055.
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 2026-08-17T06:30:58.91139+00:00
Pith citing papers itemized under the disclosed page cap.
Source: paper_references, paper_reference_links, observed 2026-08-01T10:04:14.643997Z
A source-named dated measurement, never combined with another source.
Source: cited_works
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 299a7b71-c5c1-425a-8931-afabb6219bd8 · inbound
Probing the High-Energy Emission of the VHE-emitting Changing-Look Blazar B2 1420+32 The concave X-ray spectrum of the blazar ON 231: the signature of intermediate BL Lac objects
Reference 73
Source-reported events for the cited work
Unavailable: canonical work link unavailable.