Q77981522

horizontal branch star in the constellation Leo
Thing horizontal_branch_star Q77981522
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Q77981522

Summary

Q77981522 is a horizontal branch star[1].

Key Facts

  • Q77981522's instance of is recorded as horizontal branch star[2].
  • Q77981522's constellation is recorded as Leo[3].
  • Q77981522's catalog code is recorded as SDSS J100219.98+080032.8[4].
  • Q77981522's catalog code is recorded as Gaia DR2 3874759549869224704[5].
  • Q77981522's apparent magnitude is recorded as {'unit': '1', 'amount': '+20.087'}[6].
  • Q77981522's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.145'}[7].
  • Q77981522's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.192'}[8].
  • Q77981522's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.992'}[9].
  • Q77981522's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.001'}[10].
  • Q77981522's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.9578'}[11].
  • Q77981522's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+11.7'}[12].
  • Q77981522's metallicity is recorded as {'unit': '1', 'amount': '-0.68'}[13].
  • Q77981522's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q11929860', 'amount': '+45.9'}[14].
  • Q77981522's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+150.58328815516410'}[15].
  • Q77981522's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+8.00911826257440'}[16].
  • Q77981522's epoch is recorded as J2000.0[17].
  • Q77981522's effective temperature is recorded as {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+7760'}[18].
  • Q77981522's surface gravity is recorded as {'unit': 'http://www.wikidata.org/entity/Q39699418', 'amount': '+4200'}[19].
  • Q77981522's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-2.940'}[20].
  • Q77981522's right ascension component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-0.762'}[21].

Body

Definition and Type

Q77981522'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] . SIMBAD. wikidata.org.
  4. [5] . SIMBAD. wikidata.org.
  5. [6] . The SDSS Photometric Catalog, Release 7. wikidata.org.
  6. [7] . The SDSS Photometric Catalog, Release 7. 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] . Gaia Data Release 2. wikidata.org.
  11. [12] . 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.
  12. [13] . 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.
  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] . Gaia Data Release 2. 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] . 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.
  19. [20] . Gaia Data Release 2. wikidata.org.
  20. [21] . 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). Q77981522. Retrieved May 7, 2026, from https://4ort.xyz/entity/q77981522
MLA “Q77981522.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q77981522.
BibTeX @misc{4ortxyz_q77981522_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q77981522}}, year = {2026}, url = {https://4ort.xyz/entity/q77981522}, note = {Accessed: 2026-05-07}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q77981522 — https://4ort.xyz/entity/q77981522 (retrieved 2026-05-07)

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