Q89009403

white dwarf in the constellation Ursa Major
Thing white_dwarf Q89009403
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Q89009403

Summary

Q89009403 is a white dwarf[1].

Key Facts

  • Q89009403's instance of is recorded as white dwarf[2].
  • Q89009403's constellation is recorded as Ursa Major[3].
  • Q89009403's spectral class is recorded as DA[4].
  • Q89009403's catalog code is recorded as HS 1002+4518[5].
  • Q89009403's catalog code is recorded as WD 1002+453[6].
  • Q89009403's catalog code is recorded as SDSS J100605.29+450404.2[7].
  • Q89009403's catalog code is recorded as SDSS J100605.29+450404.1[8].
  • Q89009403's catalog code is recorded as Gaia DR2 809944730817716480[9].
  • Q89009403's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.829'}[10].
  • Q89009403's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.046'}[11].
  • Q89009403's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.327'}[12].
  • Q89009403's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.510'}[13].
  • Q89009403's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.675'}[14].
  • Q89009403's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.1072'}[15].
  • Q89009403's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+2.8481'}[16].
  • Q89009403's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+351.1113'}[17].
  • Q89009403's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+151.52207069807180'}[18].
  • Q89009403's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+45.06784800242290'}[19].
  • Q89009403's epoch is recorded as J2000.0[20].
  • Q89009403's effective temperature is recorded as {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+40727'}[21].
  • Q89009403's surface gravity is recorded as {'unit': 'http://www.wikidata.org/entity/Q39699418', 'amount': '+140000000'}[22].
  • Q89009403's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-2.822'}[23].
  • Q89009403's right ascension component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-1.922'}[24].

Body

Definition and Type

Q89009403's instance of is recorded as white dwarf[2].

References

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

Direct Wikidata claims

  1. [2] . SIMBAD. wikidata.org.
  2. [3] . wikidata.org.
  3. [4] . An analysis of DA white dwarfs from the Hamburg Quasar Survey. 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] . The SDSS Photometric Catalog, Release 9. wikidata.org.
  10. [11] . The SDSS Photometric Catalog, Release 9. wikidata.org.
  11. [12] . The SDSS Photometric Catalog, Release 9. wikidata.org.
  12. [13] . The SDSS Photometric Catalog, Release 9. wikidata.org.
  13. [14] . The SDSS Photometric Catalog, Release 9. wikidata.org.
  14. [15] . Gaia Data Release 2. wikidata.org.
  15. [16] . Gaia Data Release 2. wikidata.org.
  16. [17] . Gaia Data Release 2. wikidata.org.
  17. [18] . Gaia Data Release 2. wikidata.org.
  18. [19] . Gaia Data Release 2. wikidata.org.
  19. [20] . Gaia Data Release 2. wikidata.org.
  20. [21] . New white dwarf stars in the Sloan Digital Sky Survey Data Release 10. wikidata.org.
  21. [22] . New white dwarf stars in the Sloan Digital Sky Survey Data Release 10. wikidata.org.
  22. [23] . Gaia Data Release 2. wikidata.org.
  23. [24] . 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). Q89009403. Retrieved May 7, 2026, from https://4ort.xyz/entity/q89009403
MLA “Q89009403.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q89009403.
BibTeX @misc{4ortxyz_q89009403_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q89009403}}, year = {2026}, url = {https://4ort.xyz/entity/q89009403}, note = {Accessed: 2026-05-07}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q89009403 — https://4ort.xyz/entity/q89009403 (retrieved 2026-05-07)

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