OP Andromedae
type: Thing
description: variable star in the constellation Andromeda
additional property: PropertyValue
  property ID: P31
  value: variable star
additional property: PropertyValue
  property ID: P31
  value: astrophysical X-ray source
additional property: PropertyValue
  property ID: P31
  value: RS Canum Venaticorum variable
additional property: PropertyValue
  property ID: P59
  value: Andromeda
additional property: PropertyValue
  property ID: P215
  value: K0
additional property: PropertyValue
  property ID: P528
  value: 2MASS J01362720+4843221
additional property: PropertyValue
  property ID: P528
  value: HD 9746
additional property: PropertyValue
  property ID: P528
  value: HIP 7493
additional property: PropertyValue
  property ID: P646
  value: /m/047s48s
additional property: PropertyValue
  property ID: P881
  value: RS Canum Venaticorum variable
additional property: PropertyValue
  property ID: P1215
  value: +5.4558
additional property: PropertyValue
  property ID: P1215
  value: +7.47
additional property: PropertyValue
  property ID: P1215
  value: +6.22
additional property: PropertyValue
  property ID: P2214
  value: +6.3462
additional property: PropertyValue
  property ID: P2216
  value: -42.12
additional property: PropertyValue
  property ID: P2583
  value: +157.5746
additional property: PropertyValue
  property ID: P3083
  value: V* OP And
additional property: PropertyValue
  property ID: P5555
  value: OPAndLightCurve.png
additional property: PropertyValue
  property ID: P6257
  value: +24.11333257911000
additional property: PropertyValue
  property ID: P6258
  value: +48.72277771689000
additional property: PropertyValue
  property ID: P6259
  value: J2000.0
additional property: PropertyValue
  property ID: P10751
  value: -17.663
additional property: PropertyValue
  property ID: P10752
  value: -15.189
additional property: PropertyValue
  property ID: P13228
  value: 399594587467372544
confidence:
  popularity graph score:
    score: 0.007
    score pct: 1
    tier: established
    components:
      sitelinks: 7
      sitelinks norm: 0.017
      unique citations: 7
      unique citations norm: 0.003
      monthly pageviews: 0
      monthly pageviews norm: 0.0
  sitelinks: 7
  unique citations: 7
  monthly pageviews: 0
  yearly pageviews: 20
  pageview trend:
    m: 2026-06
    v: 13
  pageview trend:
    m: 2026-05
    v: 2
  pageview trend:
    m: 2026-05
    v: 3
  pageview trend:
    m: 2026-04
    v: 2
  popularity:
    sitelinks: 7
    max: 423
    pct: 1.7
  tier: established
claims:
  P31:
    value: Q6243
    source count: 1
    confidence: 0.2
    value label: variable star
  P31:
    value: Q2154519
    source count: 1
    confidence: 0.2
    value label: astrophysical X-ray source
  P31:
    value: Q1392913
    source count: 1
    confidence: 0.2
    value label: RS Canum Venaticorum variable
  P59:
    value: Q9256
    source count: 1
    confidence: 0.2
    value label: Andromeda
  P215:
    value: K0
    source count: 1
    confidence: 0.2
  P528:
    value: 2MASS J01362720+4843221
    source count: 1
    confidence: 0.2
  P528:
    value: HD 9746
    source count: 1
    confidence: 0.2
  P528:
    value: HIP 7493
    source count: 1
    confidence: 0.2
  P528:
    value: SAO 37351
    source count: 1
    confidence: 0.2
  P528:
    value: HR 454
    source count: 1
    confidence: 0.2
  P646:
    value: /m/047s48s
    source count: 1
    confidence: 0.2
  P881:
    value: Q1392913
    source count: 2
    confidence: 0.4
    value label: RS Canum Venaticorum variable
  P1215:
    value:
      amount: +5.4558
    source count: 1
    confidence: 0.2
  P1215:
    value:
      amount: +7.47
    source count: 1
    confidence: 0.2
  P1215:
    value:
      amount: +6.22
    source count: 1
    confidence: 0.2
  P1215:
    value:
      amount: +3.794
    source count: 1
    confidence: 0.2
  P1215:
    value:
      amount: +3.165
    source count: 1
    confidence: 0.2
  P2214:
    value:
      unit: Q21500224
      amount: +6.3462
    source count: 1
    confidence: 0.2
  P2216:
    value:
      unit: Q3674704
      amount: -42.12
    source count: 1
    confidence: 0.2
  P2583:
    value:
      unit: Q12129
      amount: +157.5746
    source count: 1
    confidence: 0.2

value: V* OP And
source count: 1
confidence: 0.2

value: OPAndLightCurve.png
source count: 0
confidence: 0.0

value:
  unit: Q28390
  amount: +24.11333257911000
source count: 1
confidence: 0.2

value:
  unit: Q28390
  amount: +48.72277771689000
source count: 1
confidence: 0.2

value: Q1264450
source count: 1
confidence: 0.2
value label: J2000.0

value:
  unit: Q22137107
  amount: -17.663
source count: 1
confidence: 0.2

value:
  unit: Q22137107
  amount: -15.189
source count: 1
confidence: 0.2

value: 399594587467372544
source count: 0
confidence: 0.0

source: Freebase Data Dumps
stated in qid: Q15241312
pub year: 2013

source: General Catalogue of Variable Stars
stated in qid: Q222662

source: SIMBAD
stated in qid: Q654724

source: VizieR
stated in qid: Q1662358

source: VizieR Online Data Catalog: Henry Draper Catalogue and Extension, published in Ann. Harvard Obs. 91-100 (1918-1925)
stated in qid: Q66617668

source: Gaia Data Release 2
stated in qid: Q51905050

source: VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
stated in qid: Q66309067

wikidata id: Q1748096
domain: variable_star
level: standard
html url: https://4ort.xyz/entity/op-andromedae
markdown url: https://4ort.xyz/entity/op-andromedae.md
facts url summary: https://4ort.xyz/entity/op-andromedae/facts.json
facts url standard: https://4ort.xyz/entity/op-andromedae/facts.json
facts url full: https://4ort.xyz/entity/op-andromedae/facts.json
data source: Wikidata (CC0 / public domain)
license: https://creativecommons.org/publicdomain/zero/1.0/
api version: v1
served at: 2026-08-23T14:08:50.908102Z
entity updated at: 2026-05-03T21:19:00.258443+00:00Z
entity created at: 2026-04-11T00:04:05.979681+00:00Z