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Q78520918

white dwarf in the constellation Ursa Major
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Q78520918

Summary

Q78520918 is a white dwarf[1].

Key Facts

  • Q78520918's instance of is recorded as white dwarf[2].
  • Q78520918's constellation is recorded as Ursa Major[3].
  • Q78520918's spectral class is recorded as DB[4].
  • Q78520918's catalog code is recorded as USNO-B1.0 1428-00240460[5].
  • Q78520918's catalog code is recorded as WD 0901+530[6].
  • Q78520918's catalog code is recorded as SDSS J090456.11+525029.8[7].
  • Q78520918's catalog code is recorded as SDSS J090456.12+525029.8[8].
  • Q78520918's catalog code is recorded as SDSS J090456.13+525029.9[9].
  • Q78520918's catalog code is recorded as Gaia DR2 1017448031249546624[10].
  • Q78520918's redshift is recorded as {'unit': '1', 'amount': '+0.00023'}[11].
  • Q78520918's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.660'}[12].
  • Q78520918's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.952'}[13].
  • Q78520918's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.93'}[14].
  • Q78520918's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.404'}[15].
  • Q78520918's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.735'}[16].
  • Q78520918's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.2325'}[17].
  • Q78520918's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+0.6693'}[18].
  • Q78520918's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+69'}[19].
  • Q78520918's SIMBAD ID is recorded as GALEX J090456.0+525029[20].
  • Q78520918's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+136.23385639179500'}[21].
  • Q78520918's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+52.84162257901580'}[22].
  • Q78520918's epoch is recorded as J2000.0[23].
  • Q78520918's effective temperature is recorded as {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+38725'}[24].
  • Q78520918's surface gravity is recorded as {'unit': 'http://www.wikidata.org/entity/Q39699418', 'amount': '+80500000'}[25].
  • Q78520918's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-3.565'}[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] ↑ . Hot DB white dwarfs from the Sloan Digital Sky 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] ↑ . SIMBAD. wikidata.org.
  10. [11] ↑ . The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
  11. [12] ↑ . The SDSS Photometric Catalog, Release 9. wikidata.org.
  12. [13] ↑ . The SDSS Photometric Catalog, Release 9. wikidata.org.
  13. [14] ↑ . DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.
  14. [15] ↑ . The SDSS Photometric Catalog, Release 9. wikidata.org.
  15. [16] ↑ . The SDSS Photometric Catalog, Release 9. wikidata.org.
  16. [17] ↑ . Gaia Data Release 2. wikidata.org.
  17. [18] ↑ . Gaia Data Release 2. wikidata.org.
  18. [19] ↑ . The SDSS Photometric Catalog, Release 6. wikidata.org.
  19. [20] ↑ . 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] ↑ . DB white dwarfs in the Sloan Digital Sky Survey data release 10 and 12. wikidata.org.
  24. [25] ↑ . DB white dwarfs in the Sloan Digital Sky Survey data release 10 and 12. 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). Q78520918. Retrieved May 7, 2026, from https://4ort.xyz/entity/q78520918
MLA “Q78520918.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q78520918.
BibTeX @misc{4ortxyz_q78520918_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q78520918}}, year = {2026}, url = {https://4ort.xyz/entity/q78520918}, note = {Accessed: 2026-05-07}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q78520918 — https://4ort.xyz/entity/q78520918 (retrieved 2026-05-07)

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