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Q77979808

horizontal branch star in the constellation Lynx
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Q77979808

Summary

Q77979808 is a horizontal branch star[1].

Key Facts

  • Q77979808's instance of is recorded as horizontal branch star[2].
  • Q77979808's constellation is recorded as Lynx[3].
  • Q77979808's spectral class is recorded as sdA[4].
  • Q77979808's catalog code is recorded as SDSS J074220.63+485741.2[5].
  • Q77979808's catalog code is recorded as CRTS J074220.6+485742[6].
  • Q77979808's catalog code is recorded as SDSS J074220.62+485741.5[7].
  • Q77979808's catalog code is recorded as Gaia DR2 981844229834032256[8].
  • Q77979808's type of variable star is recorded as W Ursae Majoris variable[9].
  • Q77979808's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.317'}[10].
  • Q77979808's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.343'}[11].
  • Q77979808's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.126'}[12].
  • Q77979808's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.131'}[13].
  • Q77979808's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.12'}[14].
  • Q77979808's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.535'}[15].
  • Q77979808's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.2681'}[16].
  • Q77979808's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+2.2662'}[17].
  • Q77979808's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-6.7'}[18].
  • Q77979808's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+115.58598231570710'}[19].
  • Q77979808's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+48.96146161919230'}[20].
  • Q77979808's epoch is recorded as J2000.0[21].
  • Q77979808's effective temperature is recorded as {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+7890'}[22].
  • Q77979808's surface gravity is recorded as {'unit': 'http://www.wikidata.org/entity/Q39699418', 'amount': '+826000'}[23].
  • Q77979808's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-0.659'}[24].
  • Q77979808's right ascension component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+3.792'}[25].

Body

Definition and Type

Q77979808's instance of is recorded as horizontal branch star[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] ↑ . New white dwarf and subdwarf stars in the Sloan Digital Sky Survey Data Release 12. wikidata.org.
  4. [5] ↑ . SIMBAD. wikidata.org.
  5. [6] ↑ . SIMBAD. wikidata.org.
  6. [7] ↑ . SIMBAD. wikidata.org.
  7. [8] ↑ . SIMBAD. wikidata.org.
  8. [9] ↑ . The Catalina surveys periodic variable star catalog. 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] ↑ . The SDSS Photometric Catalog, Release 7. wikidata.org.
  13. [14] ↑ . The Catalina surveys periodic variable star catalog. wikidata.org.
  14. [15] ↑ . New white dwarf and subdwarf stars in the Sloan Digital Sky Survey Data Release 12. wikidata.org.
  15. [16] ↑ . Gaia Data Release 2. wikidata.org.
  16. [17] ↑ . Gaia Data Release 2. wikidata.org.
  17. [18] ↑ . 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.
  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] ↑ . New white dwarf and subdwarf stars in the Sloan Digital Sky Survey Data Release 12. wikidata.org.
  22. [23] ↑ . New white dwarf and subdwarf stars in the Sloan Digital Sky Survey Data Release 12. 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). Q77979808. Retrieved May 7, 2026, from https://4ort.xyz/entity/q77979808
MLA “Q77979808.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q77979808.
BibTeX @misc{4ortxyz_q77979808_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q77979808}}, year = {2026}, url = {https://4ort.xyz/entity/q77979808}, note = {Accessed: 2026-05-07}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q77979808 — https://4ort.xyz/entity/q77979808 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q77979808 · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 11w ago · Ghuron · 2026-06-16 view diff on Wikidata ↗
    Spectral class → sdA
    Apparent magnitude → {'unit': '1', 'amount': '+18.317'}, {'unit': '1', 'amount': '+18.343'}, {'unit': '1', 'amount': '+18.126'} +4
    Surface gravity → {'unit': 'http://www.wikidata.org/entity/Q39699418', 'amount
    Wikidata description → horizontal branch star in the constellation Lynx
    + 15 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update:2||1 */ [[Property:P3083]]: CRTS J074220.6+485742, was SDSS J074220.62+485741.5"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.