Q77988320

white dwarf in the constellation Hercules
Thing white_dwarf Q77988320
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Q77988320

Summary

Q77988320 is a white dwarf[1].

Key Facts

  • Q77988320's instance of is recorded as white dwarf[2].
  • Q77988320's constellation is recorded as Hercules[3].
  • Q77988320's spectral class is recorded as DA[4].
  • Q77988320's catalog code is recorded as SDSS J165528.65+355520.5[5].
  • Q77988320's catalog code is recorded as SDSS J165528.67+355520.5[6].
  • Q77988320's catalog code is recorded as Gaia DR2 1339089168451340672[7].
  • Q77988320's apparent magnitude is recorded as {'unit': '1', 'amount': '+21.473'}[8].
  • Q77988320's apparent magnitude is recorded as {'unit': '1', 'amount': '+20.269'}[9].
  • Q77988320's apparent magnitude is recorded as {'unit': '1', 'amount': '+20.317'}[10].
  • Q77988320's apparent magnitude is recorded as {'unit': '1', 'amount': '+20.474'}[11].
  • Q77988320's apparent magnitude is recorded as {'unit': '1', 'amount': '+20.613'}[12].
  • Q77988320's apparent magnitude is recorded as {'unit': '1', 'amount': '+20.2889'}[13].
  • Q77988320's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-128.3'}[14].
  • Q77988320's SIMBAD ID is recorded as GALEX J165528.7+355520[15].
  • Q77988320's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+253.86941206622730'}[16].
  • Q77988320's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+35.92237886762840'}[17].
  • Q77988320's epoch is recorded as J2000.0[18].
  • Q77988320's effective temperature is recorded as {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+8497'}[19].
  • Q77988320's surface gravity is recorded as {'unit': 'http://www.wikidata.org/entity/Q39699418', 'amount': '+1148000'}[20].
  • Q77988320's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-1.017'}[21].
  • Q77988320's right ascension component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-1.179'}[22].
  • Q77988320's Gaia ID is recorded as 1339089168451340672[23].

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] . New white dwarf stars in the Sloan Digital Sky Survey Data Release 10. wikidata.org.
  4. [5] . SIMBAD. wikidata.org.
  5. [6] . SIMBAD. wikidata.org.
  6. [7] . SIMBAD. wikidata.org.
  7. [8] . The SDSS Photometric Catalog, Release 7. wikidata.org.
  8. [9] . The SDSS Photometric Catalog, Release 7. wikidata.org.
  9. [10] . The SDSS Photometric Catalog, Release 7. wikidata.org.
  10. [11] . The SDSS Photometric Catalog, Release 7. wikidata.org.
  11. [12] . The SDSS Photometric Catalog, Release 7. wikidata.org.
  12. [13] . Gaia Data Release 2. wikidata.org.
  13. [14] . The Milky Way's circular velocity curve to 60 kpc and an estimate of the dark matter halo mass from the kinematics of ~2400 SDSS blue horizontal-branch stars. wikidata.org.
  14. [15] . 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] . New white dwarf stars in the Sloan Digital Sky Survey Data Release 10. wikidata.org.
  19. [20] . New white dwarf stars in the Sloan Digital Sky Survey Data Release 10. wikidata.org.
  20. [21] . Gaia Data Release 2. wikidata.org.
  21. [22] . Gaia Data Release 2. wikidata.org.
  22. [23] . 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). Q77988320. Retrieved May 7, 2026, from https://4ort.xyz/entity/q77988320
MLA “Q77988320.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q77988320.
BibTeX @misc{4ortxyz_q77988320_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q77988320}}, year = {2026}, url = {https://4ort.xyz/entity/q77988320}, note = {Accessed: 2026-05-07}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q77988320 — https://4ort.xyz/entity/q77988320 (retrieved 2026-05-07)

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