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Q74919549

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Q74919549

Summary

Q74919549 is a white dwarf[1].

Key Facts

  • Q74919549's instance of is recorded as white dwarf[2].
  • Q74919549's spectral class is recorded as DA[3].
  • Q74919549's catalog code is recorded as SDSS J123001.22+025557.5[4].
  • Q74919549's catalog code is recorded as LAMOST J123001.23+025557.6[5].
  • Q74919549's catalog code is recorded as SDSS J123001.24+025557.6[6].
  • Q74919549's catalog code is recorded as Gaia DR2 3700737821613236352[7].
  • Q74919549's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.71'}[8].
  • Q74919549's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.8'}[9].
  • Q74919549's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.111'}[10].
  • Q74919549's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.013'}[11].
  • Q74919549's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.258'}[12].
  • Q74919549's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.750'}[13].
  • Q74919549's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.462'}[14].
  • Q74919549's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.3201'}[15].
  • Q74919549's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+5.0067'}[16].
  • Q74919549's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+199.7324'}[17].
  • Q74919549's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+187.50510634892580'}[18].
  • Q74919549's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+2.93265885204850'}[19].
  • Q74919549's epoch is recorded as J2000.0[20].
  • Q74919549's effective temperature is recorded as {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+19983'}[21].
  • Q74919549's surface gravity is recorded as {'unit': 'http://www.wikidata.org/entity/Q39699418', 'amount': '+104500000'}[22].
  • Q74919549's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+12.020'}[23].
  • Q74919549's right ascension component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+15.016'}[24].

Body

Definition and Type

Q74919549'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] ↑ . White dwarfs identified in LAMOST DR 2. wikidata.org.
  3. [4] ↑ . SIMBAD. wikidata.org.
  4. [5] ↑ . SIMBAD. wikidata.org.
  5. [6] ↑ . SIMBAD. wikidata.org.
  6. [7] ↑ . SIMBAD. wikidata.org.
  7. [8] ↑ . DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.
  8. [9] ↑ . DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. 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). Q74919549. Retrieved May 7, 2026, from https://4ort.xyz/entity/q74919549
MLA “Q74919549.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q74919549.
BibTeX @misc{4ortxyz_q74919549_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q74919549}}, year = {2026}, url = {https://4ort.xyz/entity/q74919549}, note = {Accessed: 2026-05-07}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q74919549 — https://4ort.xyz/entity/q74919549 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q74919549 · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 10w ago · Ghuron · 2026-06-30 view diff on Wikidata ↗
    Distance from earth → {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount':
    Apparent magnitude → {'unit': '1', 'amount': '+17.71'}, {'unit': '1', 'amount': '+17.8'}, {'unit': '1', 'amount': '+17.111'} +5
    Epoch → J2000.0
    Imported from → —
    + 12 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update:2||1 */ [[Property:P3083]]: SDSS J123001.22+025557.5, was LAMOST J123001.23+025557.6"
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