Psi2 Aquarii
type: Thing
alternate name: 93 Aquarii
alternate name: HD 219688
description: sat in the constellation Aquarius
additional property: PropertyValue
  property ID: P31
  value: Be-type star
additional property: PropertyValue
  property ID: P31
  value: eruptive variable star
additional property: PropertyValue
  property ID: P31
  value: infrared source
additional property: PropertyValue
  property ID: P59
  value: Aquarius
additional property: PropertyValue
  property ID: P215
  value: B5V
additional property: PropertyValue
  property ID: P528
  value: HIP 115033
additional property: PropertyValue
  property ID: P528
  value: HR 8858
additional property: PropertyValue
  property ID: P528
  value: SAO 146620
additional property: PropertyValue
  property ID: P646
  value: /m/0879mb
additional property: PropertyValue
  property ID: P881
  value: Lambda Eridani variable
additional property: PropertyValue
  property ID: P1215
  value: +3.72
additional property: PropertyValue
  property ID: P1215
  value: +4.26
additional property: PropertyValue
  property ID: P1215
  value: +4.40
additional property: PropertyValue
  property ID: P1457
  value: -1.04
additional property: PropertyValue
  property ID: P2214
  value: +10.8280
additional property: PropertyValue
  property ID: P2216
  value: +17.7
additional property: PropertyValue
  property ID: P2583
  value: +92.3532
additional property: PropertyValue
  property ID: P3083
  value: * psi02 Aqr
additional property: PropertyValue
  property ID: P4296
  value: +316
additional property: PropertyValue
  property ID: P6257
  value: +349.47589050250
additional property: PropertyValue
  property ID: P6258
  value: -9.18251875667
additional property: PropertyValue
  property ID: P6259
  value: J2000.0
additional property: PropertyValue
  property ID: P6879
  value: +14200
additional property: PropertyValue
  property ID: P7015
  value: +7200
additional property: PropertyValue
  property ID: P10751
  value: -12.834
additional property: PropertyValue
  property ID: P10752
  value: +16.236
additional property: PropertyValue
  property ID: P13228
  value: 2437988505688462592
confidence:
  popularity graph score:
    score: 0.01
    score pct: 1
    tier: established
    components:
      sitelinks: 10
      sitelinks norm: 0.024
      unique citations: 13
      unique citations norm: 0.005
      monthly pageviews: 0
      monthly pageviews norm: 0.0
  sitelinks: 10
  unique citations: 13
  monthly pageviews: 0
  yearly pageviews: 20
  pageview trend:
    m: 2026-06
    v: 9
  pageview trend:
    m: 2026-05
    v: 3
  pageview trend:
    m: 2026-05
    v: 1
  pageview trend:
    m: 2026-05
    v: 1
  pageview trend:
    m: 2026-04
    v: 6
  popularity:
    sitelinks: 10
    max: 423
    pct: 2.4
  tier: established
claims:
  P31:
    value: Q812800
    source count: 1
    confidence: 0.2
    value label: Be-type star
  P31:
    value: Q1362543
    source count: 1
    confidence: 0.2
    value label: eruptive variable star
  P31:
    value: Q67206691
    source count: 1
    confidence: 0.2
    value label: infrared source
  P31:
    value: Q67206785
    source count: 1
    confidence: 0.2
    value label: near-infrared source
  P31:
    value: Q71798788
    source count: 1
    confidence: 0.2
    value label: ultraviolet source
  P59:
    value: Q10576
    source count: 1
    confidence: 0.2
    value label: Aquarius
  P215:
    value: B5V
    source count: 5
    confidence: 1.0
  P528:
    value: HIP 115033
    source count: 1
    confidence: 0.2
  P528:
    value: HR 8858
    source count: 1
    confidence: 0.2
  P528:
    value: SAO 146620
    source count: 1
    confidence: 0.2
  P528:
    value: IRAS 23153-0927
    source count: 1
    confidence: 0.2
  P528:
    value: HD 219688
    source count: 1
    confidence: 0.2
  P646:
    value: /m/0879mb
    source count: 1
    confidence: 0.2
  P881:
    value: Q4350564
    source count: 1
    confidence: 0.2
    value label: Lambda Eridani variable
  P1215:
    value:
      amount: +3.72
    source count: 1
    confidence: 0.2
  P1215:
    value:
      amount: +4.26
    source count: 1
    confidence: 0.2
  P1215:
    value:
      amount: +4.40
    source count: 1
    confidence: 0.2
  P1215:
    value:
      amount: +4.47
    source count: 1
    confidence: 0.2

value:
  amount: +4.60
source count: 1
confidence: 0.2

value:
  amount: -1.04
source count: 1
confidence: 0.2

value:
  unit: Q21500224
  amount: +10.8280
source count: 1
confidence: 0.2

value:
  unit: Q3674704
  amount: +17.7
source count: 1
confidence: 0.2

value:
  unit: Q12129
  amount: +92.3532
source count: 1
confidence: 0.2

value: * psi02 Aqr
source count: 1
confidence: 0.2

value:
  unit: Q3674704
  amount: +316
source count: 1
confidence: 0.2

value:
  unit: Q28390
  amount: +349.47589050250
source count: 1
confidence: 0.2

value:
  unit: Q28390
  amount: -9.18251875667
source count: 1
confidence: 0.2

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

value:
  unit: Q11579
  amount: +14200
source count: 1
confidence: 0.2

value:
  unit: Q39699418
  amount: +7200
source count: 1
confidence: 0.2

value:
  unit: Q22137107
  amount: -12.834
source count: 1
confidence: 0.2

value:
  unit: Q22137107
  amount: +16.236
source count: 1
confidence: 0.2

value: 2437988505688462592
source count: 0
confidence: 0.0

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

source: SIMBAD
stated in qid: Q654724

source: Photoelectric measures of the 4430 A diffuse interstellar band
stated in qid: Q66617000

source: A new photoelectric method of classification of luminosity and spectral type for O and B-type stars
stated in qid: Q66616915

source: Photoelectric spectrophotometry. II. Monochromatic colors of O, B and A-type stars
stated in qid: Q66616804

source: Photoelectric spectrophotometry. I. Hydrogen line intensities of O, B and A type stars
stated in qid: Q66616768

source: Stellar parameters and H α line profile variability of Be stars in the BeSOS survey
stated in qid: Q56565789

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: Gaia Data Release 2
stated in qid: Q51905050

source: A stellar rotation census of B stars: from ZAMS to TAMS
stated in qid: Q56675873

source: Validation of the new Hipparcos reduction
stated in qid: Q28315126

wikidata id: Q3604297
domain: be_type_star
level: standard
html url: https://4ort.xyz/entity/psi2-aquarii
markdown url: https://4ort.xyz/entity/psi2-aquarii.md
facts url summary: https://4ort.xyz/entity/psi2-aquarii/facts.json
facts url standard: https://4ort.xyz/entity/psi2-aquarii/facts.json
facts url full: https://4ort.xyz/entity/psi2-aquarii/facts.json
data source: Wikidata (CC0 / public domain)
license: https://creativecommons.org/publicdomain/zero/1.0/
api version: v1
served at: 2026-08-23T12:08:42.046911Z
entity updated at: 2026-05-03T21:19:00.258443+00:00Z
entity created at: 2026-04-11T00:05:12.872002+00:00Z