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Paper Citation Record · LEDGER

The Prevalence of Narrow Optical Fe II Emission Lines in Type 1 Active Galactic Nuclei

As of 16 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 1 inbound Pith citation observation for arXiv:1009.2209.

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

pith.paper-citation-record.v1
1009.2209 v1

Coverage vector

measured 0 of 0 reference resolution

Typed states for the displayed outbound observations.

Source: paper_references, paper_reference_links

measured 1 of 1 standing notices

One-hop event checks from named stored sources.

Source: scholarly_work_events, retraction_status_cache, observed 2026-08-16T06:30:59.297886+00:00

measured 1 of 1 inbound itemization

Pith citing papers itemized under the disclosed page cap.

Source: paper_references, paper_reference_links, observed 2026-08-15T14:39:44.425460Z

measured 0 of 1 external citation measurements

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

Source: cited_works

Reference resolution

0 of 0 outbound references displayed

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  • verified fuzzy0
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  • malformed identifier0
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External citation measurements

No source-named external measurement is stored.

Outbound references

No outbound reference observations are available for this paper version.

Pith citing papers

Observation f7c63b2c-1ead-4528-a67d-2df050419bd6 · inbound

AT2021yky: A Fast-Rising Optical Transient with Evolving Broad Hydrogen Emission Consistent with an Ambiguous Nuclear Transient cites this paper.

AT2021yky: A Fast-Rising Optical Transient with Evolving Broad Hydrogen Emission Consistent with an Ambiguous Nuclear Transient The Prevalence of Narrow Optical Fe II Emission Lines in Type 1 Active Galactic Nuclei

Reference 27

Resolution
unresolved
no resolver link, observed 2026-08-15T14:39:44.425460Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=arxiv_source observed=2026-08-15T14:39:44.425460Z digest=sha256:c9952790db4e9b21afcc2156d4c35c732cef1723c6eb26caf9054d0eda7e5f76