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Paper Citation Record · LEDGER

Long-term variability of the optical spectra of NGC 4151: II. Evolution of the broad Ha and Hb emission-line profiles

As of 22 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 3 inbound Pith citation observations for arXiv:0910.2980.

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

pith.paper-citation-record.v1
0910.2980 v1

Coverage vector

measured 0 of 0 reference resolution

Typed states for the displayed outbound observations.

Source: paper_references, paper_reference_links

measured 3 of 3 standing notices

One-hop event checks from named stored sources.

Source: scholarly_work_events, retraction_status_cache, observed 2026-08-21T06:32:19.484+00:00

measured 3 of 3 inbound itemization

Pith citing papers itemized under the disclosed page cap.

Source: paper_references, paper_reference_links, observed 2026-08-01T13:38:36.753377Z

measured 0 of 1 external citation measurements

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

Source: pith, observed 2026-07-10T00:46:39.963238Z

Reference resolution

0 of 0 outbound references displayed

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  • verified fuzzy0
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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 9abb0c57-1aeb-44da-9cb9-1634876f3128 · inbound

Radiation-pressure instability is an artifact of constant-$\alpha$ closure. Implications for AGN disk tensions cites this paper.

Radiation-pressure instability is an artifact of constant-$\alpha$ closure. Implications for AGN disk tensions Long-term variability of the optical spectra of NGC 4151: II. Evolution of the broad Ha and Hb emission-line profiles

Reference 231

Resolution
verified exact
local_arxiv, observed 2026-07-01T03:35:19.586685Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

source=arxiv_source observed=2026-07-11T11:50:26.030339Z digest=sha256:24e0c22ab816a21c1298c1469306b0503e8ed6778f2b345dd75653b26e59358a

Observation 40ce7ae5-27b2-4fdf-91b8-7c7c44e090c2 · inbound

First detection of ultra-fast outflows in a quiescent galaxy cites this paper.

First detection of ultra-fast outflows in a quiescent galaxy Long-term variability of the optical spectra of NGC 4151: II. Evolution of the broad Ha and Hb emission-line profiles

Reference 93

Resolution
verified exact
local_arxiv, observed 2026-07-10T00:46:39.964469Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

source=arxiv_source observed=2026-07-11T11:50:26.030339Z digest=sha256:1cb18e6764e6140df71d4f8bd855f771ff599334d7db8ad3802b34e5857e24ea

Observation 633cfbbf-57cf-409f-b829-08a0ca21bb50 · inbound

An (in)complete NIRSpec census of Balmer absorption in Type 1 AGN -- radiation-driven outflows in little red dots, quasars and variable stars cites this paper.

An (in)complete NIRSpec census of Balmer absorption in Type 1 AGN -- radiation-driven outflows in little red dots, quasars and variable stars Long-term variability of the optical spectra of NGC 4151: II. Evolution of the broad Ha and Hb emission-line profiles

Reference 166

Resolution
unresolved
no resolver link, observed 2026-08-01T13:38:36.753377Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=arxiv_source observed=2026-08-01T13:38:36.753377Z digest=sha256:0cb90be39561dc4800c2618bcb5bd39dab431217b0b3270cc535cc802fb91f95