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NGC 3197

galaxy

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General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionSep 3, 2026
Entity authorityQ1103485 ↗
Source-derived summary

NGC 3197 is a spiral galaxy in the constellation of Draco. Its velocity with respect to the cosmic microwave background is 8,146±4 km/s, which corresponds to a Hubble distance of 391.9 ± 27.4 Mly (120.15 ± 8.41 Mpc). However, three non-redshift measurements give a closer mean distance of 348.99 ± 4.98 Mly (107.000 ± 1.528 Mpc). It was discovered by German-British astronomer William Herschel on 2 April 1801.

Supernovae

Two supernovae have been observed in NGC 3197:

SN 2005kx (Type II, mag. 17.3) was discovered by Tim Puckett and J. Tigner on 26 November 2005.

SN 2022xqp (Type Ia, mag. 19.7221) was discovered by the Zwicky Transient Facility on 14 October 2022.

Editorial summary

The public source identifies “NGC 3197” as galaxy. This brief keeps that definition visible, then builds a research path around galaxy.

Editorial reviewA dependable orientation record for establishing vocabulary, names and a first evidence trail. The current lead gives the account dated anchors—1801, 2005, 2022—that can be checked directly. The selected authority fields contribute no independent date. Its value is orientation rather than verdict, with galaxy providing the first useful test.
Editorial analysis

Why this record matters

A short description can identify a subject without explaining its stakes. For “NGC 3197”, the useful work is to connect “galaxy” to the records capable of establishing context and consequence.

Evidence profile

The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Sep 3, 2026. The linked authority identifier is Q1103485. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1801, 2005 and 2022.

Critical limits

The absence of detail may reflect summary conventions rather than a lack of surviving documentation. 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 “NGC 3197”, its source revision and the description used here.
  2. Expand the search: follow NGC 3197 primary sources, NGC 3197 archive and galaxy 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 “NGC 3197”?
  2. Which institution is responsible for the underlying evidence?
  3. What terminology or title could unlock a more precise catalogue search?
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Source & attribution

This entry incorporates text from “NGC 3197” 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.