Pleione
type: Thing
alternate name: 28 Tauri
alternate name: BU Tauri
description: binary star in the Pleiades star cluster
additional property: PropertyValue
  property ID: P18
  value: Plei scheme.jpg
additional property: PropertyValue
  property ID: P18
  value: M45map.jpg
additional property: PropertyValue
  property ID: P31
  value: Be-type star
additional property: PropertyValue
  property ID: P31
  value: variable star
additional property: PropertyValue
  property ID: P31
  value: multiple star
additional property: PropertyValue
  property ID: P59
  value: Taurus
additional property: PropertyValue
  property ID: P138
  value: Pleione
additional property: PropertyValue
  property ID: P215
  value: B8Vne
additional property: PropertyValue
  property ID: P361
  value: Pleiades
additional property: PropertyValue
  property ID: P373
  value: Pleione (star)
additional property: PropertyValue
  property ID: P528
  value: IRAS 03462+2359
additional property: PropertyValue
  property ID: P528
  value: 2MASS J03491121+2408120
additional property: PropertyValue
  property ID: P528
  value: GSC 01800-02200
additional property: PropertyValue
  property ID: P646
  value: /m/07ybb4
additional property: PropertyValue
  property ID: P881
  value: Shell star
additional property: PropertyValue
  property ID: P1215
  value: +5.09
additional property: PropertyValue
  property ID: P1215
  value: +4.73
additional property: PropertyValue
  property ID: P1215
  value: +5.01
additional property: PropertyValue
  property ID: P1417
  value: place/Pleione
additional property: PropertyValue
  property ID: P1457
  value: -0.29
additional property: PropertyValue
  property ID: P2214
  value: +7.2414
additional property: PropertyValue
  property ID: P2216
  value: +5.10
additional property: PropertyValue
  property ID: P2581
  value: 02048883n
additional property: PropertyValue
  property ID: P2583
  value: +129.4850
additional property: PropertyValue
  property ID: P3083
  value: * 28 Tau
additional property: PropertyValue
  property ID: P4296
  value: +220
additional property: PropertyValue
  property ID: P6257
  value: +57.29673582413
additional property: PropertyValue
  property ID: P6258
  value: +24.13671019778
additional property: PropertyValue
  property ID: P6259
  value: J2000.0
additional property: PropertyValue
  property ID: P6879
  value: +7750
confidence:
  popularity graph score:
    score: 0.024
    score pct: 2
    tier: established
    components:
      sitelinks: 26
      sitelinks norm: 0.061
      unique citations: 18
      unique citations norm: 0.007
      monthly pageviews: 227
      monthly pageviews norm: 0.0
  sitelinks: 26
  unique citations: 18
  monthly pageviews: 227
  yearly pageviews: 460
  pageview trend:
    m: 2026-08
    v: 227
  pageview trend:
    m: 2026-07
    v: 59
  pageview trend:
    m: 2026-06
    v: 64
  pageview trend:
    m: 2026-05
    v: 2
  pageview trend:
    m: 2026-05
    v: 23
  pageview trend:
    m: 2026-05
    v: 1
  pageview trend:
    m: 2026-05
    v: 1
  pageview trend:
    m: 2026-05
    v: 3
  pageview trend:
    m: 2026-05
    v: 5
  pageview trend:
    m: 2026-04
    v: 71
  pageview trend:
    m: 2026-04
    v: 1
  pageview trend:
    m: 2026-04
    v: 2
  pageview trend:
    m: 2026-04
    v: 1
  popularity:
    sitelinks: 26
    max: 423
    pct: 6.1
    rank label: top 10%
  tier: established
claims:
  P18:
    value: Plei scheme.jpg
    source count: 1
    confidence: 0.2
  P18:
    value: M45map.jpg
    source count: 0
    confidence: 0.0
  P31:
    value: Q812800
    source count: 1
    confidence: 0.2
    value label: Be-type star
  P31:
    value: Q6243
    source count: 2
    confidence: 0.4
    value label: variable star
  P31:
    value: Q878367
    source count: 1
    confidence: 0.2
    value label: multiple star
  P31:
    value: Q2154519
    source count: 1
    confidence: 0.2
    value label: astrophysical X-ray source
  P31:
    value: Q72803622
    source count: 1
    confidence: 0.2
    value label: emission-line star
  P59:
    value: Q10570
    source count: 1
    confidence: 0.2
    value label: Taurus
  P138:
    value: Q463865
    source count: 0
    confidence: 0.0
    value label: Pleione
  P215:
    value: B8Vne
    source count: 1
    confidence: 0.2

value: Q13423
source count: 3
confidence: 0.6
value label: Pleiades

value: Pleione (star)
source count: 1
confidence: 0.2

value: IRAS 03462+2359
source count: 1
confidence: 0.2

value: 2MASS J03491121+2408120
source count: 1
confidence: 0.2

value: GSC 01800-02200
source count: 1
confidence: 0.2

value: SAO 76229
source count: 1
confidence: 0.2

value: HD 23862
source count: 1
confidence: 0.2

value: /m/07ybb4
source count: 1
confidence: 0.2

value: Q2288255
source count: 2
confidence: 0.4
value label: Shell star

value:
  amount: +5.09
source count: 1
confidence: 0.2

value:
  amount: +4.73
source count: 1
confidence: 0.2

value:
  amount: +5.01
source count: 1
confidence: 0.2

value:
  amount: +5.08
source count: 1
confidence: 0.2

value:
  amount: +5.087
source count: 1
confidence: 0.2

value: place/Pleione
source count: 0
confidence: 0.0

value:
  amount: -0.29
source count: 1
confidence: 0.2

value:
  unit: Q21500224
  amount: +7.2414
source count: 1
confidence: 0.2

value:
  unit: Q3674704
  amount: +5.10
source count: 1
confidence: 0.2

value: 02048883n
source count: 1
confidence: 0.2

value:
  unit: Q12129
  amount: +129.4850
source count: 1
confidence: 0.2

value: * 28 Tau
source count: 1
confidence: 0.2

value:
  unit: Q3674704
  amount: +220
source count: 1
confidence: 0.2

value:
  unit: Q28390
  amount: +57.29673582413
source count: 1
confidence: 0.2

value:
  unit: Q28390
  amount: +24.13671019778
source count: 1
confidence: 0.2

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

value:
  unit: Q11579
  amount: +7750
source count: 1
confidence: 0.2

value:
  unit: Q39699418
  amount: +31600
source count: 1
confidence: 0.2

value: 3958108
source count: 1
confidence: 0.2

value:
  unit: Q20764
  amount: +125
source count: 1
confidence: 0.2

value:
  unit: Q22137107
  amount: -47.65
source count: 1
confidence: 0.2

value:
  unit: Q22137107
  amount: +19.496
source count: 1
confidence: 0.2

value: 66529975427235712
source count: 0
confidence: 0.0

source: General Catalogue of Variable Stars
stated in qid: Q222662
retrieved: 2014-03-25

source: VizieR
stated in qid: Q1662358
retrieved: 2017-08-18

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

source: SIMBAD
stated in qid: Q654724

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

source: A catalogue of multiplicity among bright stellar systems
stated in qid: Q14558831

source: Pleione (BU Tau): IR fading of the star in 1999 - 2007
stated in qid: Q68373254

source: Gaia Data Release 2. Observational Hertzsprung-Russell diagrams
stated in qid: Q57497206

source: Near‐ and Mid‐Infrared Photometry of the Pleiades and a New List of Substellar Candidate Members
stated in qid: Q59928774

source: Catalogue of Stellar Photometry in Johnson's 11-color system
stated in qid: Q63881058

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: Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system
stated in qid: Q54126358

source: BabelNet
stated in qid: Q4837690

source: Gaia Data Release 2
stated in qid: Q51905050

source: Rotational Velocities of B Stars
stated in qid: Q53997867

source: The Sixth Data Release of the Radial Velocity Experiment (RAVE). II. Stellar Atmospheric Parameters, Chemical Abundances, and Distances
stated in qid: Q112194648

wikidata id: Q13440
domain: be_type_star
level: standard
html url: https://4ort.xyz/entity/pleione-q13440
markdown url: https://4ort.xyz/entity/pleione-q13440.md
facts url summary: https://4ort.xyz/entity/pleione-q13440/facts.json
facts url standard: https://4ort.xyz/entity/pleione-q13440/facts.json
facts url full: https://4ort.xyz/entity/pleione-q13440/facts.json
data source: Wikidata (CC0 / public domain)
license: https://creativecommons.org/publicdomain/zero/1.0/
api version: v1
served at: 2026-08-24T15:29:13.660950Z
entity updated at: 2026-05-03T21:19:00.258443+00:00Z
entity created at: 2026-04-10T23:20:43.217950+00:00Z