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Q78261054

white dwarf in the constellation Hercules
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Q78261054

Summary

Q78261054 is a white dwarf[1].

Key Facts

  • Q78261054's instance of is recorded as white dwarf[2].
  • Q78261054's constellation is recorded as Hercules[3].
  • Q78261054's spectral class is recorded as DA[4].
  • Q78261054's catalog code is recorded as [CSC85] 1640.4+4099[5].
  • Q78261054's catalog code is recorded as SDSS J164205.68+405330.9[6].
  • Q78261054's catalog code is recorded as SDSS J164205.63+405330.7[7].
  • Q78261054's catalog code is recorded as SDSS J164205.68+405330.8[8].
  • Q78261054's catalog code is recorded as Gaia DR2 1356059095337308544[9].
  • Q78261054's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.6'}[10].
  • Q78261054's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.67'}[11].
  • Q78261054's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.05'}[12].
  • Q78261054's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.209'}[13].
  • Q78261054's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.030'}[14].
  • Q78261054's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.390'}[15].
  • Q78261054's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.2581'}[16].
  • Q78261054's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+3.4156'}[17].
  • Q78261054's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+292.7743'}[18].
  • Q78261054's SIMBAD ID is recorded as [CSC85] 1640.4+4099[19].
  • Q78261054's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+250.52370947761740'}[20].
  • Q78261054's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+40.89193067576420'}[21].
  • Q78261054's epoch is recorded as J2000.0[22].
  • Q78261054's effective temperature is recorded as {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+18978'}[23].
  • Q78261054's surface gravity is recorded as {'unit': 'http://www.wikidata.org/entity/Q39699418', 'amount': '+107000000'}[24].
  • Q78261054's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-15.165'}[25].
  • Q78261054's right ascension component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-47.554'}[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] ↑ . Quasar candidates from grens plates. 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] ↑ . DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.
  11. [12] ↑ . DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.
  12. [13] ↑ . The SDSS Photometric Catalog, Release 9. wikidata.org.
  13. [14] ↑ . The SDSS Photometric Catalog, Release 9. wikidata.org.
  14. [15] ↑ . The SDSS Photometric Catalog, Release 9. 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] ↑ . 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 stars in the Sloan Digital Sky Survey Data Release 10. wikidata.org.
  23. [24] ↑ . New white dwarf stars in the Sloan Digital Sky Survey Data Release 10. 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). Q78261054. Retrieved May 7, 2026, from https://4ort.xyz/entity/q78261054
MLA “Q78261054.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q78261054.
BibTeX @misc{4ortxyz_q78261054_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q78261054}}, year = {2026}, url = {https://4ort.xyz/entity/q78261054}, note = {Accessed: 2026-05-07}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q78261054 — https://4ort.xyz/entity/q78261054 (retrieved 2026-05-07)

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