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Q84237871

red giant branch star in the constellation Cygnus
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Q84237871

Summary

Q84237871 is a red giant branch star[1].

Key Facts

  • Q84237871's instance of is recorded as red giant branch star[2].
  • Q84237871's constellation is recorded as Cygnus[3].
  • Q84237871's catalog code is recorded as 2MASS J21520764+3959343[4].
  • Q84237871's catalog code is recorded as Gaia DR2 1959419571412679424[5].
  • Q84237871's apparent magnitude is recorded as {'unit': '1', 'amount': '+9.727'}[6].
  • Q84237871's apparent magnitude is recorded as {'unit': '1', 'amount': '+8.978'}[7].
  • Q84237871's apparent magnitude is recorded as {'unit': '1', 'amount': '+8.766'}[8].
  • Q84237871's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.1188'}[9].
  • Q84237871's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+0.4072'}[10].
  • Q84237871's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-29.36'}[11].
  • Q84237871's metallicity is recorded as {'unit': '1', 'amount': '+0.076'}[12].
  • Q84237871's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+2455.7957'}[13].
  • Q84237871's SIMBAD ID is recorded as 2MASS J21520764+3959343[14].
  • Q84237871's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+328.03181838795250'}[15].
  • Q84237871's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+39.99289821459940'}[16].
  • Q84237871's epoch is recorded as J2000.0[17].
  • Q84237871's effective temperature is recorded as {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+4349'}[18].
  • Q84237871's surface gravity is recorded as {'unit': 'http://www.wikidata.org/entity/Q39699418', 'amount': '+63'}[19].
  • Q84237871's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-1.532'}[20].
  • Q84237871's right ascension component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+0.285'}[21].
  • Q84237871's Gaia ID is recorded as 1959419571412679424[22].

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] ↑ . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  6. [7] ↑ . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  7. [8] ↑ . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  8. [9] ↑ . Gaia Data Release 2. wikidata.org.
  9. [10] ↑ . Gaia Data Release 2. wikidata.org.
  10. [11] ↑ . Gaia Data Release 2. wikidata.org.
  11. [12] ↑ . Spectroscopic determination of masses (and implied ages) for red giants. wikidata.org.
  12. [13] ↑ . Gaia Data Release 2. wikidata.org.
  13. [14] ↑ . 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] ↑ . Spectroscopic determination of masses (and implied ages) for red giants. wikidata.org.
  18. [19] ↑ . Spectroscopic determination of masses (and implied ages) for red giants. wikidata.org.
  19. [20] ↑ . Gaia Data Release 2. wikidata.org.
  20. [21] ↑ . Gaia Data Release 2. wikidata.org.
  21. [22] ↑ . 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). Q84237871. Retrieved May 7, 2026, from https://4ort.xyz/entity/q84237871
MLA “Q84237871.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q84237871.
BibTeX @misc{4ortxyz_q84237871_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q84237871}}, year = {2026}, url = {https://4ort.xyz/entity/q84237871}, note = {Accessed: 2026-05-07}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q84237871 — https://4ort.xyz/entity/q84237871 (retrieved 2026-05-07)

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