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Q81557365

white dwarf in the constellation Capricornus
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Q81557365

Summary

Q81557365 is a white dwarf[1].

Key Facts

  • Q81557365's instance of is recorded as white dwarf[2].
  • Q81557365's constellation is recorded as Capricornus[3].
  • Q81557365's spectral class is recorded as DA[4].
  • Q81557365's catalog code is recorded as HE 2140-1825[5].
  • Q81557365's catalog code is recorded as USNO-B1.0 0718-01005429[6].
  • Q81557365's catalog code is recorded as 2MASS J21434260-1811316[7].
  • Q81557365's catalog code is recorded as WD 2140-184[8].
  • Q81557365's catalog code is recorded as EC 21409-1825[9].
  • Q81557365's catalog code is recorded as Gaia DR2 6836795672680406272[10].
  • Q81557365's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.3'}[11].
  • Q81557365's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.793'}[12].
  • Q81557365's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.929'}[13].
  • Q81557365's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.534'}[14].
  • Q81557365's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.62'}[15].
  • Q81557365's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.58'}[16].
  • Q81557365's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.5467'}[17].
  • Q81557365's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+14.2763'}[18].
  • Q81557365's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-14.8'}[19].
  • Q81557365's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+70.0462'}[20].
  • Q81557365's SIMBAD ID is recorded as HE 2140-1825[21].
  • Q81557365's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+325.92755595616980'}[22].
  • Q81557365's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-18.19215004472770'}[23].
  • Q81557365's epoch is recorded as J2000.0[24].
  • Q81557365's effective temperature is recorded as {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+13950'}[25].
  • Q81557365's surface gravity is recorded as {'unit': 'http://www.wikidata.org/entity/Q39699418', 'amount': '+56000000'}[26].

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] ↑ . 3D kinematics of white dwarfs from the SPY project. II.. wikidata.org.
  4. [5] ↑ . SIMBAD. wikidata.org.
  5. [6] ↑ . SIMBAD. wikidata.org.
  6. [7] ↑ . SIMBAD. wikidata.org.
  7. [8] ↑ . SIMBAD. wikidata.org.
  8. [9] ↑ . SIMBAD. wikidata.org.
  9. [10] ↑ . SIMBAD. wikidata.org.
  10. [11] ↑ . The USNO-B Catalog. wikidata.org.
  11. [12] ↑ . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  12. [13] ↑ . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  13. [14] ↑ . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  14. [15] ↑ . The Edinburgh-Cape Blue Object Survey - IV. Zone 3: Galactic latitudes -40{deg} > b > -50{deg}. wikidata.org.
  15. [16] ↑ . The Edinburgh-Cape Blue Object Survey - IV. Zone 3: Galactic latitudes -40{deg} > b > -50{deg}. wikidata.org.
  16. [17] ↑ . Gaia Data Release 2. wikidata.org.
  17. [18] ↑ . Gaia Data Release 2. wikidata.org.
  18. [19] ↑ . 3D kinematics of white dwarfs from the SPY project. II.. wikidata.org.
  19. [20] ↑ . Gaia Data Release 2. wikidata.org.
  20. [21] ↑ . wikidata.org.
  21. [22] ↑ . Gaia Data Release 2. wikidata.org.
  22. [23] ↑ . Gaia Data Release 2. wikidata.org.
  23. [24] ↑ . Gaia Data Release 2. wikidata.org.
  24. [25] ↑ . High-resolution UVES/VLT spectra of white dwarfs observed for the ESO SN Ia Progenitor Survey. wikidata.org.
  25. [26] ↑ . High-resolution UVES/VLT spectra of white dwarfs observed for the ESO SN Ia Progenitor Survey. 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). Q81557365. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81557365
MLA “Q81557365.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81557365.
BibTeX @misc{4ortxyz_q81557365_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81557365}}, year = {2026}, url = {https://4ort.xyz/entity/q81557365}, note = {Accessed: 2026-05-07}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81557365 — https://4ort.xyz/entity/q81557365 (retrieved 2026-05-07)

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