Q77917544

white dwarf in the constellation Ursa Major
Thing white_dwarf Q77917544
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Q77917544

Summary

Q77917544 is a white dwarf[1].

Key Facts

  • Q77917544's instance of is recorded as white dwarf[2].
  • Q77917544's constellation is recorded as Ursa Major[3].
  • Q77917544's spectral class is recorded as DA[4].
  • Q77917544's catalog code is recorded as SBSS 1203+587[5].
  • Q77917544's catalog code is recorded as USNO-B1.0 1484-00213550[6].
  • Q77917544's catalog code is recorded as SDSS J120551.28+582933.6[7].
  • Q77917544's catalog code is recorded as WD 1203+587[8].
  • Q77917544's catalog code is recorded as SDSS J120551.29+582933.6[9].
  • Q77917544's catalog code is recorded as Gaia DR2 1575998533705680640[10].
  • Q77917544's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.9'}[11].
  • Q77917544's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.4'}[12].
  • Q77917544's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.784'}[13].
  • Q77917544's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.751'}[14].
  • Q77917544's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.059'}[15].
  • Q77917544's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.362'}[16].
  • Q77917544's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.686'}[17].
  • Q77917544's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.9455'}[18].
  • Q77917544's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+2.4651'}[19].
  • Q77917544's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+181.46370669675410'}[20].
  • Q77917544's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+58.49269292372600'}[21].
  • Q77917544's epoch is recorded as J2000.0[22].
  • Q77917544's effective temperature is recorded as {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+21120'}[23].
  • Q77917544's surface gravity is recorded as {'unit': 'http://www.wikidata.org/entity/Q39699418', 'amount': '+222000000'}[24].
  • Q77917544's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-10.763'}[25].
  • Q77917544's right ascension component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+4.231'}[26].

Body

Definition and Type

Q77917544'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] . Spectroscopy of stellar-like objects contained in the second Byurakan survey. I. 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] . The USNO-B Catalog. wikidata.org.
  11. [12] . The USNO-B Catalog. wikidata.org.
  12. [13] . The SDSS Photometric Catalog, Release 7. wikidata.org.
  13. [14] . The SDSS Photometric Catalog, Release 7. wikidata.org.
  14. [15] . The SDSS Photometric Catalog, Release 7. wikidata.org.
  15. [16] . The SDSS Photometric Catalog, Release 7. wikidata.org.
  16. [17] . New white dwarf and subdwarf stars in the Sloan Digital Sky Survey Data Release 12. 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] . Gaia Data Release 2. wikidata.org.
  21. [22] . Gaia Data Release 2. wikidata.org.
  22. [23] . New white dwarf and subdwarf stars in the Sloan Digital Sky Survey Data Release 12. wikidata.org.
  23. [24] . New white dwarf and subdwarf stars in the Sloan Digital Sky Survey Data Release 12. 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). Q77917544. Retrieved May 7, 2026, from https://4ort.xyz/entity/q77917544
MLA “Q77917544.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q77917544.
BibTeX @misc{4ortxyz_q77917544_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q77917544}}, year = {2026}, url = {https://4ort.xyz/entity/q77917544}, note = {Accessed: 2026-05-07}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q77917544 — https://4ort.xyz/entity/q77917544 (retrieved 2026-05-07)

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