HD189954

peculiar star in the constellation Telescopium
Thing peculiar_star Q12066937
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HD189954

Summary

HD189954 is a peculiar star[1].

Key Facts

  • HD189954's instance of is recorded as peculiar star[2].
  • HD189954's constellation is recorded as Telescopium[3].
  • HD189954's spectral class is recorded as Fm_dD[4].
  • HD189954's catalog code is recorded as HD 189954[5].
  • HD189954's catalog code is recorded as CPC 19 7901[6].
  • HD189954's catalog code is recorded as GSC 08776-00635[7].
  • HD189954's catalog code is recorded as 2MASS J20050972-5241551[8].
  • HD189954's catalog code is recorded as PPM 348243[9].
  • HD189954's catalog code is recorded as SAO 246425[10].
  • HD189954's catalog code is recorded as TYC 8776-635-1[11].
  • HD189954's catalog code is recorded as Gaia DR1 6665555287934371328[12].
  • HD189954's catalog code is recorded as Gaia DR2 6665555292230390784[13].
  • HD189954's apparent magnitude is recorded as {'unit': '1', 'amount': '+8.83'}[14].
  • HD189954's apparent magnitude is recorded as {'unit': '1', 'amount': '+8.51'}[15].
  • HD189954's apparent magnitude is recorded as {'unit': '1', 'amount': '+8.4890'}[16].
  • HD189954's apparent magnitude is recorded as {'unit': '1', 'amount': '+7.989'}[17].
  • HD189954's apparent magnitude is recorded as {'unit': '1', 'amount': '+7.863'}[18].
  • HD189954's apparent magnitude is recorded as {'unit': '1', 'amount': '+7.825'}[19].
  • HD189954's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+3.5298'}[20].
  • HD189954's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+283.3022'}[21].
  • HD189954's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+301.29051596167740'}[22].
  • HD189954's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-52.69864823827590'}[23].
  • HD189954's epoch is recorded as J2000.0[24].
  • HD189954's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-14.619'}[25].
  • HD189954's right ascension component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+6.432'}[26].

Body

Definition and Type

HD189954's instance of is recorded as peculiar star[2].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] . wikidata.org.
  2. [3] . VizieR. wikidata.org.
  3. [4] . Catalogue of two dimentional spectral types for the HD stars, Vol. 2. wikidata.org.
  4. [5] . SIMBAD. wikidata.org.
  5. [6] . SIMBAD. wikidata.org.
  6. [7] . SIMBAD. wikidata.org.
  7. [8] . SIMBAD. wikidata.org.
  8. [9] . SIMBAD. wikidata.org.
  9. [10] . SIMBAD. wikidata.org.
  10. [11] . SIMBAD. wikidata.org.
  11. [12] . SIMBAD. wikidata.org.
  12. [13] . SIMBAD. wikidata.org.
  13. [14] . The Tycho-2 catalogue of the 2.5 million brightest stars. wikidata.org.
  14. [15] . The Tycho-2 catalogue of the 2.5 million brightest stars. wikidata.org.
  15. [16] . Gaia Data Release 2. wikidata.org.
  16. [17] . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  17. [18] . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  18. [19] . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  19. [20] . Gaia Data Release 2. wikidata.org.
  20. [21] . Gaia Data Release 2. wikidata.org.
  21. [22] . Gaia Data Release 2. wikidata.org.
  22. [23] . Gaia Data Release 2. wikidata.org.
  23. [24] . Gaia Data Release 2. wikidata.org.
  24. [25] . Gaia Data Release 2. wikidata.org.
  25. [26] . Gaia Data Release 2. wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). HD189954. Retrieved May 7, 2026, from https://4ort.xyz/entity/q12066937
MLA “HD189954.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q12066937.
BibTeX @misc{4ortxyz_q12066937_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{HD189954}}, year = {2026}, url = {https://4ort.xyz/entity/q12066937}, note = {Accessed: 2026-05-07}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): HD189954 — https://4ort.xyz/entity/q12066937 (retrieved 2026-05-07)

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