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Q81945717

low-mass star in the constellation Hydra
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Q81945717

Summary

Q81945717 is a low-mass star[1].

Key Facts

  • Q81945717's instance of is recorded as low-mass star[2].
  • Q81945717's constellation is recorded as Hydra[3].
  • Q81945717's spectral class is recorded as M0V[4].
  • Q81945717's catalog code is recorded as 2MASS J09210040+0231441[5].
  • Q81945717's catalog code is recorded as SDSS J092100.39+023144.2[6].
  • Q81945717's catalog code is recorded as SDSS J092100.40+023144.2[7].
  • Q81945717's catalog code is recorded as Gaia DR2 3845155577249371264[8].
  • Q81945717's redshift is recorded as {'unit': '1', 'amount': '+0.00008'}[9].
  • Q81945717's apparent magnitude is recorded as {'unit': '1', 'amount': '+22.843'}[10].
  • Q81945717's apparent magnitude is recorded as {'unit': '1', 'amount': '+20.281'}[11].
  • Q81945717's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.901'}[12].
  • Q81945717's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.611'}[13].
  • Q81945717's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.992'}[14].
  • Q81945717's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.810'}[15].
  • Q81945717's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.250'}[16].
  • Q81945717's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.8231'}[17].
  • Q81945717's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+1.2772'}[18].
  • Q81945717's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-616'}[19].
  • Q81945717's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+1686.4'}[20].
  • Q81945717's SIMBAD ID is recorded as 2MASS J09210040+0231441[21].
  • Q81945717's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+140.25164070783000'}[22].
  • Q81945717's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+2.52896093152430'}[23].
  • Q81945717's epoch is recorded as J2000.0[24].
  • Q81945717's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-7.208'}[25].
  • Q81945717's right ascension component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-4.434'}[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] ↑ . The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
  4. [5] ↑ . SIMBAD. wikidata.org.
  5. [6] ↑ . SIMBAD. wikidata.org.
  6. [7] ↑ . SIMBAD. wikidata.org.
  7. [8] ↑ . SIMBAD. wikidata.org.
  8. [9] ↑ . The SDSS Photometric Catalog, Release 7. wikidata.org.
  9. [10] ↑ . The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
  10. [11] ↑ . The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
  11. [12] ↑ . The Sixth Data Release of the Sloan Digital Sky Survey. 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 SDSS Photometric Catalog, Release 7. wikidata.org.
  15. [16] ↑ . The SDSS Photometric Catalog, Release 7. wikidata.org.
  16. [17] ↑ . Gaia Data Release 2. wikidata.org.
  17. [18] ↑ . Gaia Data Release 2. wikidata.org.
  18. [19] ↑ . The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
  19. [20] ↑ . The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. 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] ↑ . Gaia Data Release 2. wikidata.org.
  25. [26] ↑ . Gaia Data Release 2. 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). Q81945717. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81945717
MLA “Q81945717.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81945717.
BibTeX @misc{4ortxyz_q81945717_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81945717}}, year = {2026}, url = {https://4ort.xyz/entity/q81945717}, note = {Accessed: 2026-05-07}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81945717 — https://4ort.xyz/entity/q81945717 (retrieved 2026-05-07)

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