AM Canum Venaticorum
type: Thing
alternate name: AM CVn
description: star in the constellation Canes Venatici
additional property: PropertyValue
  property ID: P31
  value: cataclysmic variable star
additional property: PropertyValue
  property ID: P31
  value: infrared source
additional property: PropertyValue
  property ID: P31
  value: astrophysical X-ray source
additional property: PropertyValue
  property ID: P59
  value: Canes Venatici
additional property: PropertyValue
  property ID: P215
  value: DBpec
additional property: PropertyValue
  property ID: P528
  value: GSC 03018-02523
additional property: PropertyValue
  property ID: P528
  value: 2MASS J12345460+3737440
additional property: PropertyValue
  property ID: P528
  value: AAVSO 1229+38
additional property: PropertyValue
  property ID: P646
  value: /m/04fzkmy
additional property: PropertyValue
  property ID: P881
  value: cataclysmic variable star
additional property: PropertyValue
  property ID: P1215
  value: +14.02
additional property: PropertyValue
  property ID: P1215
  value: +14.13
additional property: PropertyValue
  property ID: P1215
  value: +14.47
additional property: PropertyValue
  property ID: P2120
  value: +0.0137
additional property: PropertyValue
  property ID: P2214
  value: +3.3512
additional property: PropertyValue
  property ID: P2214
  value: +3.3106
additional property: PropertyValue
  property ID: P2583
  value: +298.4006
additional property: PropertyValue
  property ID: P3083
  value: V* AM CVn
additional property: PropertyValue
  property ID: P5555
  value: Amcvn lightcurve.png
additional property: PropertyValue
  property ID: P6257
  value: +188.72759585280090
additional property: PropertyValue
  property ID: P6258
  value: +37.62892243680000
additional property: PropertyValue
  property ID: P6259
  value: J2000.0
additional property: PropertyValue
  property ID: P10751
  value: +12.420
additional property: PropertyValue
  property ID: P10752
  value: +30.935
additional property: PropertyValue
  property ID: P13228
  value: 1519860699806445184
confidence:
  popularity graph score:
    score: 0.01
    score pct: 1
    tier: established
    components:
      sitelinks: 11
      sitelinks norm: 0.026
      unique citations: 10
      unique citations norm: 0.004
      monthly pageviews: 42
      monthly pageviews norm: 0.0
  sitelinks: 11
  unique citations: 10
  monthly pageviews: 42
  yearly pageviews: 76
  pageview trend:
    m: 2026-08
    v: 42
  pageview trend:
    m: 2026-07
    v: 7
  pageview trend:
    m: 2026-06
    v: 15
  pageview trend:
    m: 2026-05
    v: 2
  pageview trend:
    m: 2026-05
    v: 4
  pageview trend:
    m: 2026-05
    v: 1
  pageview trend:
    m: 2026-05
    v: 1
  pageview trend:
    m: 2026-04
    v: 1
  pageview trend:
    m: 2026-04
    v: 3
  popularity:
    sitelinks: 11
    max: 423
    pct: 2.6
  tier: established
claims:
  P31:
    value: Q1059564
    source count: 1
    confidence: 0.2
    value label: cataclysmic variable star
  P31:
    value: Q67206691
    source count: 1
    confidence: 0.2
    value label: infrared source
  P31:
    value: Q2154519
    source count: 1
    confidence: 0.2
    value label: astrophysical X-ray source
  P59:
    value: Q10452
    source count: 1
    confidence: 0.2
    value label: Canes Venatici
  P215:
    value: DBpec
    source count: 2
    confidence: 0.4
  P528:
    value: GSC 03018-02523
    source count: 1
    confidence: 0.2
  P528:
    value: 2MASS J12345460+3737440
    source count: 1
    confidence: 0.2
  P528:
    value: AAVSO 1229+38
    source count: 1
    confidence: 0.2
  P528:
    value: CSI+37-12324
    source count: 1
    confidence: 0.2
  P528:
    value: PLX 2900.02
    source count: 1
    confidence: 0.2
  P646:
    value: /m/04fzkmy
    source count: 1
    confidence: 0.2
  P881:
    value: Q1059564
    source count: 1
    confidence: 0.2
    value label: cataclysmic variable star
  P1215:
    value:
      amount: +14.02
    source count: 1
    confidence: 0.2
  P1215:
    value:
      amount: +14.13
    source count: 1
    confidence: 0.2
  P1215:
    value:
      amount: +14.47
    source count: 1
    confidence: 0.2
  P1215:
    value:
      amount: +14.0806
    source count: 1
    confidence: 0.2
  P1215:
    value:
      amount: +14.482
    source count: 1
    confidence: 0.2

value:
  unit: Q48440
  amount: +0.0137
source count: 1
confidence: 0.2

value:
  unit: Q21500224
  amount: +3.3512
source count: 1
confidence: 0.2

value:
  unit: Q21500224
  amount: +3.3106
source count: 1
confidence: 0.2

value:
  unit: Q12129
  amount: +298.4006
source count: 1
confidence: 0.2

value: V* AM CVn
source count: 1
confidence: 0.2

value: Amcvn lightcurve.png
source count: 0
confidence: 0.0

value:
  unit: Q28390
  amount: +188.72759585280090
source count: 1
confidence: 0.2

value:
  unit: Q28390
  amount: +37.62892243680000
source count: 1
confidence: 0.2

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

value:
  unit: Q22137107
  amount: +12.420
source count: 1
confidence: 0.2

value:
  unit: Q22137107
  amount: +30.935
source count: 1
confidence: 0.2

value: 1519860699806445184
source count: 0
confidence: 0.0

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

source: SIMBAD
stated in qid: Q654724

source: VizieR
stated in qid: Q1662358

source: On the certification of AM Canum Venaticorum as a cataclysmic variable
stated in qid: Q66649181

source: Studies of the white dwarfs. I. Broad features in white dwarf spectra
stated in qid: Q67054675

source: Gaia Data Release 3
stated in qid: Q66061041

source: Fourth USNO CCD Astrograph Catalog
stated in qid: Q28920124

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

source: The SDSS Photometric Catalog, Release 9
stated in qid: Q66310819

wikidata id: Q1069015
domain: cataclysmic_variable_star
level: standard
html url: https://4ort.xyz/entity/am-canum-venaticorum
markdown url: https://4ort.xyz/entity/am-canum-venaticorum.md
facts url summary: https://4ort.xyz/entity/am-canum-venaticorum/facts.json
facts url standard: https://4ort.xyz/entity/am-canum-venaticorum/facts.json
facts url full: https://4ort.xyz/entity/am-canum-venaticorum/facts.json
data source: Wikidata (CC0 / public domain)
license: https://creativecommons.org/publicdomain/zero/1.0/
api version: v1
served at: 2026-08-24T10:57:06.317216Z
entity updated at: 2026-05-03T21:19:00.258443+00:00Z
entity created at: 2026-04-10T23:35:24.288132+00:00Z