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Q80644440

peculiar star in the constellation Aquarius
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Q80644440

Summary

Q80644440 is a peculiar star[1].

Key Facts

  • Q80644440's instance of is recorded as peculiar star[2].
  • Q80644440's constellation is recorded as Aquarius[3].
  • Q80644440's spectral class is recorded as CEMP-no[4].
  • Q80644440's catalog code is recorded as HE 2138-0314[5].
  • Q80644440's catalog code is recorded as 2MASS J21404159-0301171[6].
  • Q80644440's catalog code is recorded as Gaia DR2 2674056091713363840[7].
  • Q80644440's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.1'}[8].
  • Q80644440's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.844'}[9].
  • Q80644440's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.423'}[10].
  • Q80644440's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.346'}[11].
  • Q80644440's apparent magnitude is recorded as {'unit': '1', 'amount': '+13.1879'}[12].
  • Q80644440's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+0.3422'}[13].
  • Q80644440's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-369.0'}[14].
  • Q80644440's metallicity is recorded as {'unit': '1', 'amount': '-3.07'}[15].
  • Q80644440's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+2922.2677'}[16].
  • Q80644440's SIMBAD ID is recorded as 2MASS J21404159-0301171[17].
  • Q80644440's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+325.17331510990030'}[18].
  • Q80644440's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-3.02138970484690'}[19].
  • Q80644440's epoch is recorded as J2000.0[20].
  • Q80644440's effective temperature is recorded as {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+5334'}[21].
  • Q80644440's surface gravity is recorded as {'unit': 'http://www.wikidata.org/entity/Q39699418', 'amount': '+4400'}[22].
  • Q80644440's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+1.243'}[23].
  • Q80644440's right ascension component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+0.117'}[24].
  • Q80644440's Gaia ID is recorded as 2674056091713363840[25].

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] ↑ . Observational constraints on first-star nucleosynthesis. I. Evidence for multiple progenitors of CEMP-no stars. wikidata.org.
  4. [5] ↑ . SIMBAD. wikidata.org.
  5. [6] ↑ . SIMBAD. wikidata.org.
  6. [7] ↑ . SIMBAD. wikidata.org.
  7. [8] ↑ . Bright metal-poor stars from the Hamburg/ESO survey. I. Selection and follow-up observations from 329 fields. wikidata.org.
  8. [9] ↑ . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  9. [10] ↑ . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  10. [11] ↑ . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  11. [12] ↑ . Gaia Data Release 2. wikidata.org.
  12. [13] ↑ . Gaia Data Release 2. wikidata.org.
  13. [14] ↑ . Bright metal-poor stars from the Hamburg/ESO Survey. II. A chemodynamical analysis. wikidata.org.
  14. [15] ↑ . Bright metal-poor stars from the Hamburg/ESO Survey. II. A chemodynamical analysis. wikidata.org.
  15. [16] ↑ . Gaia Data Release 2. wikidata.org.
  16. [17] ↑ . wikidata.org.
  17. [18] ↑ . Gaia Data Release 2. wikidata.org.
  18. [19] ↑ . Gaia Data Release 2. wikidata.org.
  19. [20] ↑ . Gaia Data Release 2. wikidata.org.
  20. [21] ↑ . Bright metal-poor stars from the Hamburg/ESO Survey. II. A chemodynamical analysis. wikidata.org.
  21. [22] ↑ . Bright metal-poor stars from the Hamburg/ESO Survey. II. A chemodynamical analysis. wikidata.org.
  22. [23] ↑ . Gaia Data Release 2. wikidata.org.
  23. [24] ↑ . Gaia Data Release 2. wikidata.org.
  24. [25] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

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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). Q80644440. Retrieved May 7, 2026, from https://4ort.xyz/entity/q80644440
MLA “Q80644440.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q80644440.
BibTeX @misc{4ortxyz_q80644440_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q80644440}}, year = {2026}, url = {https://4ort.xyz/entity/q80644440}, note = {Accessed: 2026-05-07}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q80644440 — https://4ort.xyz/entity/q80644440 (retrieved 2026-05-07)

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