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Research dossier · General Reference

SN 2009gj

supernova

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General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionJul 2, 2026
Entity authorityQ1064345 ↗
Source-derived summary

SN 2009gj was a supernova located in the galaxy NGC 134, approximately 60 million light years away from Earth. It was discovered on June 20, 2009, by New Zealand amateur astronomer and dairy farmer Stuart Parker, but first reported by Christopher Stockdale and team.

Editorial summary

The public source identifies “SN 2009gj” as supernova. This brief keeps that definition visible, then builds a research path around 2009gj and supernova.

Editorial reviewA dependable orientation record for establishing vocabulary, names and a first evidence trail. The current lead gives the account dated anchors—2009—that can be checked directly. The selected authority fields contribute no independent date. Its value is orientation rather than verdict, with 2009gj and supernova providing the first useful test.
Editorial analysis

Why this record matters

A short description can identify a subject without explaining its stakes. For “SN 2009gj”, the useful work is to connect “supernova” to the records capable of establishing context and consequence.

Evidence profile

Vocabulary and entity names are the principal evidence signals here, because they determine the precision of every later search. The source revision retrieved here is dated Jul 2, 2026. The linked authority identifier is Q1064345. None of the 0 selected statements returned an explicit reference. The first chronological checks are 2009.

Critical limits

Overview language is designed for orientation and should not be treated as a substitute for the evidence cited beneath it. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.

Best used for
  • Subject orientation
  • Search vocabulary
  • Locating named sources
Verify next

The closest primary source, responsible institution and strongest cited specialist reference.

Three-step research path

  1. Establish the record: confirm the title “SN 2009gj”, its source revision and the description used here.
  2. Expand the search: follow SN 2009gj primary sources, SN 2009gj archive and 2009gj research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

  1. Which source most directly establishes the central claim about “SN 2009gj”?
  2. Which cited source is closest to the event, object or claim?
  3. Which institution is responsible for the underlying evidence?
Subject index

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Source & attribution

This entry incorporates text from “SN 2009gj” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.