Q77988412

horizontal branch star in the constellation Andromeda
Thing horizontal_branch_star Q77988412
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Q77988412

Summary

Q77988412 is a horizontal branch star[1].

Key Facts

  • Q77988412's instance of is recorded as horizontal branch star[2].
  • Q77988412's constellation is recorded as Andromeda[3].
  • Q77988412's catalog code is recorded as SDSS J012101.59+390714.9[4].
  • Q77988412's catalog code is recorded as Gaia DR2 323545040368659712[5].
  • Q77988412's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.309'}[6].
  • Q77988412's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.397'}[7].
  • Q77988412's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.154'}[8].
  • Q77988412's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.209'}[9].
  • Q77988412's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.248'}[10].
  • Q77988412's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.1610'}[11].
  • Q77988412's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-103.4'}[12].
  • Q77988412's metallicity is recorded as {'unit': '1', 'amount': '-2.02'}[13].
  • Q77988412's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q11929860', 'amount': '+29.7'}[14].
  • Q77988412's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+20.25661816391900'}[15].
  • Q77988412's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+39.12079995265620'}[16].
  • Q77988412's epoch is recorded as J2000.0[17].
  • Q77988412's effective temperature is recorded as {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+8039'}[18].
  • Q77988412's surface gravity is recorded as {'unit': 'http://www.wikidata.org/entity/Q39699418', 'amount': '+3400'}[19].
  • Q77988412's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-1.227'}[20].
  • Q77988412's right ascension component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+1.577'}[21].

Body

Definition and Type

Q77988412'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 8. wikidata.org.
  7. [8] . The SDSS Photometric Catalog, Release 8. 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] . Quantifying kinematic substructure in the Milky Way's stellar halo. 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] . Quantifying kinematic substructure in the Milky Way's stellar halo. 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). Q77988412. Retrieved May 7, 2026, from https://4ort.xyz/entity/q77988412
MLA “Q77988412.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q77988412.
BibTeX @misc{4ortxyz_q77988412_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q77988412}}, year = {2026}, url = {https://4ort.xyz/entity/q77988412}, note = {Accessed: 2026-05-07}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q77988412 — https://4ort.xyz/entity/q77988412 (retrieved 2026-05-07)

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