XO-3b
type: Thing
alternate name: BD+57 793b
alternate name: TOI-1676b
alternate name: TOI-1676.01
alternate name: TIC 8400842b
description: exoplanet orbiting XO-3
additional property: PropertyValue
  property ID: P18
  value: XO-3b.jpg
additional property: PropertyValue
  property ID: P31
  value: exoplanet
additional property: PropertyValue
  property ID: P59
  value: Camelopardalis
additional property: PropertyValue
  property ID: P373
  value: XO-3 b
additional property: PropertyValue
  property ID: P397
  value: XO-3
additional property: PropertyValue
  property ID: P528
  value: BD+57 793b
additional property: PropertyValue
  property ID: P528
  value: TOI-1676b
additional property: PropertyValue
  property ID: P528
  value: TOI-1676.01
additional property: PropertyValue
  property ID: P575
  value: May 30, 2007
additional property: PropertyValue
  property ID: P575
  value: April 2008
additional property: PropertyValue
  property ID: P646
  value: /m/02rglxt
additional property: PropertyValue
  property ID: P1046
  value: transit method
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additional property: PropertyValue
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additional property: PropertyValue
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additional property: PropertyValue
  property ID: P2248
  value: +347.2
additional property: PropertyValue
  property ID: P3083
  value: BD+57 793b
additional property: PropertyValue
  property ID: P4839
  value: Entity["Exoplanet", "XO3b"]
additional property: PropertyValue
  property ID: P5653
  value: xo_3_ab--400
additional property: PropertyValue
  property ID: P5667
  value: XO-3 b
additional property: PropertyValue
  property ID: P6257
  value: +65.46960173768040
additional property: PropertyValue
  property ID: P6258
  value: +57.81719224278111
additional property: PropertyValue
  property ID: P6259
  value: J2000.0
additional property: PropertyValue
  property ID: P10751
  value: +4.003
confidence:
  popularity graph score:
    score: 0.017
    score pct: 2
    tier: established
    components:
      sitelinks: 17
      sitelinks norm: 0.04
      unique citations: 19
      unique citations norm: 0.007
      monthly pageviews: 25
      monthly pageviews norm: 0.0
  sitelinks: 17
  unique citations: 19
  monthly pageviews: 25
  yearly pageviews: 57
  pageview trend:
    m: 2026-08
    v: 25
  pageview trend:
    m: 2026-07
    v: 6
  pageview trend:
    m: 2026-06
    v: 4
  pageview trend:
    m: 2026-05
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  popularity:
    sitelinks: 17
    max: 423
    pct: 4.0
  tier: established
claims:
  P18:
    value: XO-3b.jpg
    source count: 0
    confidence: 0.0
  P31:
    value: Q44559
    source count: 16
    confidence: 1.0
    value label: exoplanet
  P59:
    value: Q8832
    source count: 1
    confidence: 0.2
    value label: Camelopardalis
  P373:
    value: XO-3 b
    source count: 0
    confidence: 0.0
  P397:
    value: Q657969
    source count: 3
    confidence: 0.6
    value label: XO-3
  P528:
    value: BD+57 793b
    source count: 1
    confidence: 0.2
  P528:
    value: TOI-1676b
    source count: 1
    confidence: 0.2
  P528:
    value: TOI-1676.01
    source count: 1
    confidence: 0.2
  P528:
    value: TIC 8400842b
    source count: 1
    confidence: 0.2
  P575:
    value: +2007-05-30T00:00:00Z
    source count: 1
    confidence: 0.2
  P575:
    value: +2008-04-00T00:00:00Z
    source count: 1
    confidence: 0.2
  P646:
    value: /m/02rglxt
    source count: 1
    confidence: 0.2

value: Q2069919
source count: 2
confidence: 0.4
value label: transit method

value:
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source count: 2
confidence: 0.4

value:
  unit: Q28390
  amount: +84.11
source count: 2
confidence: 0.4

value:
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confidence: 0.2

value:
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value:
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confidence: 0.4

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: 2
confidence: 0.4

value:
  unit: Q1811
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source count: 1
confidence: 0.2

value:
  unit: Q28390
  amount: +347.2
source count: 2
confidence: 0.4

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

value: Entity["Exoplanet", "XO3b"]
source count: 0
confidence: 0.0

value: xo_3_ab--400
source count: 0
confidence: 0.0

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

value:
  unit: Q28390
  amount: +65.46960173768040
source count: 2
confidence: 0.4

value:
  unit: Q28390
  amount: +57.81719224278111
source count: 2
confidence: 0.4

value: Q1264450
source count: 3
confidence: 0.6
value label: J2000.0

value:
  unit: Q22137107
  amount: +4.003
source count: 2
confidence: 0.4

value:
  unit: Q22137107
  amount: -2.516
source count: 2
confidence: 0.4

value:
  unit: Q14267
  amount: +2454024.84
source count: 1
confidence: 0.2

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

source: SIMBAD
stated in qid: Q654724

source: Accurate Empirical Radii and Masses of Planets and Their Host Stars with Gaia Parallaxes
stated in qid: Q59842242

source: The GAPS Programme with HARPS-N at TNG. XIV. Investigating giant planet migration history via improved eccentricity and mass determination for 231 transiting planets
stated in qid: Q55954003

source: ExoClock project II: A large-scale integrated study with 180 updated exoplanet ephemerides
stated in qid: Q118224440

source: TESS Transit Timing of Hundreds of Hot Jupiters
stated in qid: Q113359133

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

source: Constraints on the atmospheric circulation and variability of the eccentric hot Jupiter XO-3b
stated in qid: Q59247288

source: Homogeneous studies of transiting extrasolar planets - III. Additional planets and stellar models
stated in qid: Q29013812

source: Friends of hot Jupiters. I. A radial velocity search for massive, long-period companions to close-in gas giant planets
stated in qid: Q54197439

source: Empirical Limb-darkening Coefficients and Transit Parameters of Known Exoplanets from TESS
stated in qid: Q113359124

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

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

source: On the spin-orbit misalignment of the XO-3 exoplanetary system
stated in qid: Q29032166

source: Extrasolar Planets Encyclopaedia
stated in qid: Q1385430

source: ExoClock Project. III. 450 New Exoplanet Ephemerides from Ground and Space Observations
stated in qid: Q125847685

source: Affordable echelle spectroscopy of the eccentric HAT-P-2, WASP-14 and XO-3 planetary systems with a sub-meter-class telescope
stated in qid: Q114139630

source: Exoplanet Archive
stated in qid: Q5420639

source: Gaia Data Release 2
stated in qid: Q51905050

wikidata id: Q613348
domain: exoplanet
level: standard
html url: https://4ort.xyz/entity/xo-3b
markdown url: https://4ort.xyz/entity/xo-3b.md
facts url summary: https://4ort.xyz/entity/xo-3b/facts.json
facts url standard: https://4ort.xyz/entity/xo-3b/facts.json
facts url full: https://4ort.xyz/entity/xo-3b/facts.json
data source: Wikidata (CC0 / public domain)
license: https://creativecommons.org/publicdomain/zero/1.0/
api version: v1
served at: 2026-08-24T13:41:54.169288Z
entity updated at: 2026-05-03T21:19:00.258443+00:00Z
entity created at: 2026-04-10T23:48:51.774911+00:00Z