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Q77987855

horizontal branch star in the constellation Cetus
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Q77987855

Summary

Q77987855 is a horizontal branch star[1].

Key Facts

  • Q77987855's instance of is recorded as horizontal branch star[2].
  • Q77987855's constellation is recorded as Cetus[3].
  • Q77987855's catalog code is recorded as SDSS J030139.98+045208.0[4].
  • Q77987855's catalog code is recorded as Gaia DR2 3756721994747136[5].
  • Q77987855's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.090'}[6].
  • Q77987855's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.107'}[7].
  • Q77987855's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.147'}[8].
  • Q77987855's apparent magnitude is recorded as {'unit': '1', 'amount': '+20.599'}[9].
  • Q77987855's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.151'}[10].
  • Q77987855's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.0588'}[11].
  • Q77987855's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+0.5758'}[12].
  • Q77987855's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-147.6'}[13].
  • Q77987855's metallicity is recorded as {'unit': '1', 'amount': '-0.72'}[14].
  • Q77987855's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q11929860', 'amount': '+39.2'}[15].
  • Q77987855's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+45.41661073198180'}[16].
  • Q77987855's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+4.86888945501000'}[17].
  • Q77987855's epoch is recorded as J2000.0[18].
  • Q77987855's effective temperature is recorded as {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+8016'}[19].
  • Q77987855's surface gravity is recorded as {'unit': 'http://www.wikidata.org/entity/Q39699418', 'amount': '+2240'}[20].
  • Q77987855's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-2.290'}[21].
  • Q77987855's right ascension component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+0.808'}[22].

Body

Definition and Type

Q77987855'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 8. wikidata.org.
  9. [10] ↑ . The SDSS Photometric Catalog, Release 8. wikidata.org.
  10. [11] ↑ . Gaia Data Release 2. wikidata.org.
  11. [12] ↑ . Gaia Data Release 2. wikidata.org.
  12. [13] ↑ . Quantifying kinematic substructure in the Milky Way's stellar halo. 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] ↑ . Quantifying kinematic substructure in the Milky Way's stellar halo. 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] ↑ . 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] ↑ . 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.
  20. [21] ↑ . Gaia Data Release 2. wikidata.org.
  21. [22] ↑ . 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). Q77987855. Retrieved May 7, 2026, from https://4ort.xyz/entity/q77987855
MLA “Q77987855.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q77987855.
BibTeX @misc{4ortxyz_q77987855_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q77987855}}, year = {2026}, url = {https://4ort.xyz/entity/q77987855}, note = {Accessed: 2026-05-07}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q77987855 — https://4ort.xyz/entity/q77987855 (retrieved 2026-05-07)

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