SN 1961i
type: Thing
description: supernova within the Messier 61 galaxy, discovered in 1961
additional property: PropertyValue
  property ID: P31
  value: supernova
additional property: PropertyValue
  property ID: P59
  value: Virgo
additional property: PropertyValue
  property ID: P61
  value: Milton L. Humason
additional property: PropertyValue
  property ID: P65
  value: Palomar Observatory
additional property: PropertyValue
  property ID: P215
  value: SN.II
additional property: PropertyValue
  property ID: P361
  value: Messier 61
additional property: PropertyValue
  property ID: P528
  value: SN 1961I
additional property: PropertyValue
  property ID: P575
  value: June 1961
additional property: PropertyValue
  property ID: P646
  value: /m/0131l9_7
additional property: PropertyValue
  property ID: P1215
  value: +13.5
additional property: PropertyValue
  property ID: P3083
  value: SN 1961I
additional property: PropertyValue
  property ID: P6257
  value: +185.501833
additional property: PropertyValue
  property ID: P6258
  value: +4.470361
additional property: PropertyValue
  property ID: P6259
  value: J2000.0
confidence:
  popularity graph score:
    score: 0.005
    score pct: 0
    tier: established
    components:
      sitelinks: 5
      sitelinks norm: 0.012
      unique citations: 5
      unique citations norm: 0.002
      monthly pageviews: 6
      monthly pageviews norm: 0.0
  sitelinks: 5
  unique citations: 5
  monthly pageviews: 6
  yearly pageviews: 15
  pageview trend:
    m: 2026-08
    v: 6
  pageview trend:
    m: 2026-07
    v: 1
  pageview trend:
    m: 2026-06
    v: 2
  pageview trend:
    m: 2026-05
    v: 3
  pageview trend:
    m: 2026-05
    v: 1
  pageview trend:
    m: 2026-04
    v: 2
  popularity:
    sitelinks: 5
    max: 423
    pct: 1.2
  tier: established
claims:
  P31:
    value: Q3937
    source count: 1
    confidence: 0.2
    value label: supernova
  P59:
    value: Q8842
    source count: 1
    confidence: 0.2
    value label: Virgo
  P61:
    value: Q60027
    source count: 1
    confidence: 0.2
    value label: Milton L. Humason
  P65:
    value: Q191684
    source count: 0
    confidence: 0.0
    value label: Palomar Observatory
  P215:
    value: SN.II
    source count: 1
    confidence: 0.2
  P361:
    value: Q13978
    source count: 2
    confidence: 0.4
    value label: Messier 61
  P528:
    value: SN 1961I
    source count: 1
    confidence: 0.2
  P575:
    value: +1961-06-00T00:00:00Z
    source count: 0
    confidence: 0.0
  P646:
    value: /m/0131l9_7
    source count: 0
    confidence: 0.0
  P1215:
    value:
      amount: +13.5
    source count: 1
    confidence: 0.2
  P3083:
    value: SN 1961I
    source count: 1
    confidence: 0.2
  P6257:
    value:
      unit: Q28390
      amount: +185.501833
    source count: 1
    confidence: 0.2
  P6258:
    value:
      unit: Q28390
      amount: +4.470361
    source count: 1
    confidence: 0.2
  P6259:
    value: Q1264450
    source count: 1
    confidence: 0.2
    value label: J2000.0
citations:
  source: SIMBAD
  stated in qid: Q654724
citations:
  source: VizieR
  stated in qid: Q1662358
citations:
  source: Asiago Supernova Catalogue
  stated in qid: Q66310018
citations:
  source: Asiago Supernova Catalogue (Version 2008-Mar)
  stated in qid: Q66310021
citations:
  source: Precise astrometry of historical supernovae
  stated in qid: Q66310645
meta:
  wikidata id: Q9326449
  domain: supernova
  level: standard
  html url: https://4ort.xyz/entity/sn-1961i
  markdown url: https://4ort.xyz/entity/sn-1961i.md
  facts url summary: https://4ort.xyz/entity/sn-1961i/facts.json
  facts url standard: https://4ort.xyz/entity/sn-1961i/facts.json
  facts url full: https://4ort.xyz/entity/sn-1961i/facts.json
  data source: Wikidata (CC0 / public domain)
  license: https://creativecommons.org/publicdomain/zero/1.0/
  api version: v1
  served at: 2026-08-23T11:45:45.571381Z
  entity updated at: 2026-05-03T21:19:00.258443+00:00Z
  entity created at: 2026-04-10T23:38:50.824692+00:00Z