Q81919987

white dwarf in the constellation Ursa Major
Thing white_dwarf Q81919987
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Q81919987

Summary

Q81919987 is a white dwarf[1].

Key Facts

  • Q81919987's instance of is recorded as white dwarf[2].
  • Q81919987's constellation is recorded as Ursa Major[3].
  • Q81919987's spectral class is recorded as DA[4].
  • Q81919987's catalog code is recorded as WD 1113+554.2[5].
  • Q81919987's catalog code is recorded as SBSS 1113+554B[6].
  • Q81919987's catalog code is recorded as SDSS J111646.37+551125.6[7].
  • Q81919987's catalog code is recorded as LAMOST J111646.45+551125.5[8].
  • Q81919987's catalog code is recorded as Gaia DR2 843947712021842304[9].
  • Q81919987's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.0'}[10].
  • Q81919987's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.113'}[11].
  • Q81919987's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.520'}[12].
  • Q81919987's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.889'}[13].
  • Q81919987's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.214'}[14].
  • Q81919987's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.762'}[15].
  • Q81919987's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.0817'}[16].
  • Q81919987's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+4.0406'}[17].
  • Q81919987's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+247.4880'}[18].
  • Q81919987's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+169.19322208804380'}[19].
  • Q81919987's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+55.19048293647710'}[20].
  • Q81919987's epoch is recorded as J2000.0[21].
  • Q81919987's effective temperature is recorded as {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+16000'}[22].
  • Q81919987's surface gravity is recorded as {'unit': 'http://www.wikidata.org/entity/Q39699418', 'amount': '+31600000'}[23].
  • Q81919987's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-35.817'}[24].
  • Q81919987's right ascension component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-13.088'}[25].

Body

Definition and Type

Q81919987'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 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] . 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] . Gaia Data Release 2. wikidata.org.
  19. [20] . Gaia Data Release 2. wikidata.org.
  20. [21] . Gaia Data Release 2. wikidata.org.
  21. [22] . DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.
  22. [23] . DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.
  23. [24] . Gaia Data Release 2. wikidata.org.
  24. [25] . 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). Q81919987. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81919987
MLA “Q81919987.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81919987.
BibTeX @misc{4ortxyz_q81919987_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81919987}}, year = {2026}, url = {https://4ort.xyz/entity/q81919987}, note = {Accessed: 2026-05-07}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81919987 — https://4ort.xyz/entity/q81919987 (retrieved 2026-05-07)

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