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Q81909603

white dwarf in the constellation Coma Berenices
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Q81909603

Summary

Q81909603 is a white dwarf[1].

Key Facts

  • Q81909603's instance of is recorded as white dwarf[2].
  • Q81909603's constellation is recorded as Coma Berenices[3].
  • Q81909603's spectral class is recorded as DA[4].
  • Q81909603's part of is recorded as ** SLN 73[5].
  • Q81909603's catalog code is recorded as SDSS J125720.96+192503.8[6].
  • Q81909603's catalog code is recorded as SDSS J125720.97+192503.8[7].
  • Q81909603's catalog code is recorded as WDS J12573+1925A[8].
  • Q81909603's catalog code is recorded as Gaia DR2 3941584293192908928[9].
  • Q81909603's apparent magnitude is recorded as {'unit': '1', 'amount': '+20.46'}[10].
  • Q81909603's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.864'}[11].
  • Q81909603's apparent magnitude is recorded as {'unit': '1', 'amount': '+20.017'}[12].
  • Q81909603's apparent magnitude is recorded as {'unit': '1', 'amount': '+20.31'}[13].
  • Q81909603's apparent magnitude is recorded as {'unit': '1', 'amount': '+20.39'}[14].
  • Q81909603's apparent magnitude is recorded as {'unit': '1', 'amount': '+20.0367'}[15].
  • Q81909603's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+1.6025'}[16].
  • Q81909603's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+24'}[17].
  • Q81909603's SIMBAD ID is recorded as SDSS J125720.96+192503.8[18].
  • Q81909603's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+194.33738932628340'}[19].
  • Q81909603's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+19.41776234633020'}[20].
  • Q81909603's epoch is recorded as J2000.0[21].
  • Q81909603's effective temperature is recorded as {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+11750'}[22].
  • Q81909603's surface gravity is recorded as {'unit': 'http://www.wikidata.org/entity/Q39699418', 'amount': '+81000000'}[23].
  • Q81909603's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-30.512'}[24].
  • Q81909603's right ascension component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-38.522'}[25].
  • Q81909603's Gaia ID is recorded as 3941584293192908928[26].

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] ↑ . SDSS DR7 white dwarf catalog. wikidata.org.
  4. [5] ↑ . Washington Double Star Catalog. 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 8. wikidata.org.
  10. [11] ↑ . The SDSS Photometric Catalog, Release 8. wikidata.org.
  11. [12] ↑ . The SDSS Photometric Catalog, Release 8. wikidata.org.
  12. [13] ↑ . The SDSS Photometric Catalog, Release 8. wikidata.org.
  13. [14] ↑ . The SDSS Photometric Catalog, Release 8. wikidata.org.
  14. [15] ↑ . Gaia Data Release 2. wikidata.org.
  15. [16] ↑ . Gaia Data Release 2. wikidata.org.
  16. [17] ↑ . The SDSS Photometric Catalog, Release 8. wikidata.org.
  17. [18] ↑ . wikidata.org.
  18. [19] ↑ . Gaia Data Release 2. wikidata.org.
  19. [20] ↑ . Gaia Data Release 2. wikidata.org.
  20. [21] ↑ . Gaia Data Release 2. wikidata.org.
  21. [22] ↑ . Constraints on the initial-final mass relation from wide double white dwarfs. wikidata.org.
  22. [23] ↑ . Constraints on the initial-final mass relation from wide double white dwarfs. wikidata.org.
  23. [24] ↑ . Gaia Data Release 2. wikidata.org.
  24. [25] ↑ . Gaia Data Release 2. wikidata.org.
  25. [26] ↑ . 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). Q81909603. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81909603
MLA “Q81909603.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81909603.
BibTeX @misc{4ortxyz_q81909603_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81909603}}, year = {2026}, url = {https://4ort.xyz/entity/q81909603}, note = {Accessed: 2026-05-07}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81909603 — https://4ort.xyz/entity/q81909603 (retrieved 2026-05-07)

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