XO-3
type: Thing
alternate name: BD+57 793
description: star in the constellation Camelopardalis
additional property: PropertyValue
  property ID: P31
  value: F-type main-sequence star
additional property: PropertyValue
  property ID: P31
  value: giant planet
additional property: PropertyValue
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  value: star
additional property: PropertyValue
  property ID: P59
  value: Camelopardalis
additional property: PropertyValue
  property ID: P215
  value: F5V
additional property: PropertyValue
  property ID: P398
  value: XO-3b
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  value: GSC 03727-01064
additional property: PropertyValue
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  value: 2MASS J04215269+5749018
additional property: PropertyValue
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additional property: PropertyValue
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additional property: PropertyValue
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additional property: PropertyValue
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additional property: PropertyValue
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  value: BD+57 793
additional property: PropertyValue
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  value: +20.3
additional property: PropertyValue
  property ID: P5667
  value: XO-3
additional property: PropertyValue
  property ID: P6257
  value: +65.46960339847
additional property: PropertyValue
  property ID: P6258
  value: +57.81719147081999
additional property: PropertyValue
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additional property: PropertyValue
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additional property: PropertyValue
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additional property: PropertyValue
  property ID: P7584
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confidence:
  popularity graph score:
    score: 0.012
    score pct: 1
    tier: established
    components:
      sitelinks: 12
      sitelinks norm: 0.028
      unique citations: 13
      unique citations norm: 0.005
      monthly pageviews: 14
      monthly pageviews norm: 0.0
  sitelinks: 12
  unique citations: 13
  monthly pageviews: 14
  yearly pageviews: 37
  pageview trend:
    m: 2026-08
    v: 14
  pageview trend:
    m: 2026-07
    v: 3
  pageview trend:
    m: 2026-06
    v: 2
  pageview trend:
    m: 2026-05
    v: 1
  pageview trend:
    m: 2026-05
    v: 1
  pageview trend:
    m: 2026-05
    v: 3
  pageview trend:
    m: 2026-04
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  pageview trend:
    m: 2026-04
    v: 2
  pageview trend:
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    v: 10
  popularity:
    sitelinks: 12
    max: 423
    pct: 2.8
  tier: established
claims:
  P31:
    value: Q1353952
    source count: 1
    confidence: 0.2
    value label: F-type main-sequence star
  P31:
    value: Q21857994
    source count: 0
    confidence: 0.0
    value label: giant planet
  P31:
    value: Q523
    source count: 1
    confidence: 0.2
    value label: star
  P31:
    value: Q67206785
    source count: 1
    confidence: 0.2
    value label: near-infrared source
  P59:
    value: Q8832
    source count: 1
    confidence: 0.2
    value label: Camelopardalis
  P215:
    value: F5V
    source count: 2
    confidence: 0.4
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    value: Q613348
    source count: 0
    confidence: 0.0
    value label: XO-3b
  P528:
    value: GSC 03727-01064
    source count: 1
    confidence: 0.2
  P528:
    value: 2MASS J04215269+5749018
    source count: 1
    confidence: 0.2
  P528:
    value: TYC 3727-1064-1
    source count: 1
    confidence: 0.2
  P528:
    value: SPOCS 2617
    source count: 1
    confidence: 0.2
  P528:
    value: Gaia DR2 470650560777348352
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    confidence: 0.2
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    value: /m/052_rsj
    source count: 1
    confidence: 0.2
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    confidence: 0.2

value:
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source count: 1
confidence: 0.2

value:
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source count: 1
confidence: 0.2

value:
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source count: 1
confidence: 0.2

value:
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source count: 1
confidence: 0.2

value:
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source count: 1
confidence: 0.2

value:
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source count: 1
confidence: 0.2

value:
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source count: 1
confidence: 0.2

value:
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source count: 1
confidence: 0.2

value:
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source count: 1
confidence: 0.2

value:
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source count: 1
confidence: 0.2

value:
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  amount: +1990000
source count: 1
confidence: 0.2

value:
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  amount: +205.394
source count: 1
confidence: 0.2

value: BD+57 793
source count: 0
confidence: 0.0

value:
  unit: Q3674704
  amount: +20.3
source count: 1
confidence: 0.2

value: XO-3
source count: 0
confidence: 0.0

value:
  unit: Q28390
  amount: +65.46960339847
source count: 1
confidence: 0.2

value:
  unit: Q28390
  amount: +57.81719147081999
source count: 1
confidence: 0.2

value: Q1264450
source count: 2
confidence: 0.4
value label: J2000.0

value:
  unit: Q11579
  amount: +6987
source count: 1
confidence: 0.2

value:
  unit: Q39699418
  amount: +13270
source count: 1
confidence: 0.2

value:
  unit: Q524410
  amount: +2.82
source count: 1
confidence: 0.2

value:
  unit: Q22137107
  amount: +4.186
source count: 1
confidence: 0.2

value:
  unit: Q22137107
  amount: -2.721
source count: 1
confidence: 0.2

value: 470650560779277952
source count: 0
confidence: 0.0

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

source: SIMBAD
stated in qid: Q654724

source: XO‐3b: A Massive Planet in an Eccentric Orbit Transiting an F5 V Star
stated in qid: Q56882036

source: Extrasolar Planets Encyclopaedia
stated in qid: Q1385430

source: The Tycho-2 catalogue of the 2.5 million brightest stars
stated in qid: Q2725928

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

source: Gaia Early Data Release 3
stated in qid: Q98668919

source: Gaia Data Release 2
stated in qid: Q51905050

source: Spectroscopic parameters for solar-type stars with moderate-to-high rotation
stated in qid: Q57653315

source: Age consistency between exoplanet hosts and field stars
stated in qid: Q55952066

source: Improved spectroscopic parameters for transiting planet hosts
stated in qid: Q66424447

source: The Transit Light Curve Project. IX. Evidence for a Smaller Radius of the Exoplanet XO‐3b
stated in qid: Q29394262

stated in qid: Q123237709

wikidata id: Q657969
domain: f_type_main_sequence_star
level: standard
html url: https://4ort.xyz/entity/xo-3-q657969
markdown url: https://4ort.xyz/entity/xo-3-q657969.md
facts url summary: https://4ort.xyz/entity/xo-3-q657969/facts.json
facts url standard: https://4ort.xyz/entity/xo-3-q657969/facts.json
facts url full: https://4ort.xyz/entity/xo-3-q657969/facts.json
data source: Wikidata (CC0 / public domain)
license: https://creativecommons.org/publicdomain/zero/1.0/
api version: v1
served at: 2026-08-24T12:33:35.017552Z
entity updated at: 2026-05-03T21:19:00.258443+00:00Z
entity created at: 2026-04-10T23:48:55.426336+00:00Z