Q81909081

Thing brown_dwarf Q81909081
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Q81909081

Summary

Q81909081 is a brown dwarf[1].

Key Facts

  • Q81909081's instance of is recorded as brown dwarf[2].
  • Q81909081's constellation is recorded as Boötes[3].
  • Q81909081's spectral class is recorded as L0.0:V[4].
  • Q81909081's catalog code is recorded as SDSS J142058.30+213156.7[5].
  • Q81909081's catalog code is recorded as 2MASS J14205843+2131555[6].
  • Q81909081's catalog code is recorded as WISEA J142058.17+213157.6[7].
  • Q81909081's catalog code is recorded as Gaia DR2 1252671918193902208[8].
  • Q81909081's redshift is recorded as {'unit': '1', 'amount': '-0.00004'}[9].
  • Q81909081's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.124'}[10].
  • Q81909081's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.518'}[11].
  • Q81909081's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.056'}[12].
  • Q81909081's apparent magnitude is recorded as {'unit': '1', 'amount': '+25.415'}[13].
  • Q81909081's apparent magnitude is recorded as {'unit': '1', 'amount': '+24.094'}[14].
  • Q81909081's apparent magnitude is recorded as {'unit': '1', 'amount': '+22.150'}[15].
  • Q81909081's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.505'}[16].
  • Q81909081's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.548'}[17].
  • Q81909081's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.8970'}[18].
  • Q81909081's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+23.2273'}[19].
  • Q81909081's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+18.63'}[20].
  • Q81909081's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+43.0528'}[21].
  • Q81909081's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+215.24341654143730'}[22].
  • Q81909081's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+21.53212556124930'}[23].
  • Q81909081's epoch is recorded as J2000.0[24].
  • Q81909081's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+191.374'}[25].
  • Q81909081's right ascension component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-326.151'}[26].

Body

Definition and Type

Q81909081's instance of is recorded as brown dwarf[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] . SpeX Spectroscopy of Unresolved Very Low Mass Binaries. II. Identification of 14 Candidate Binaries with Late-M/Early-L and T Dwarf Components. 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] . 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] . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  12. [13] . The SDSS Photometric Catalog, Release 7. wikidata.org.
  13. [14] . The SDSS Photometric Catalog, Release 7. wikidata.org.
  14. [15] . The SDSS Photometric Catalog, Release 7. wikidata.org.
  15. [16] . The SDSS Photometric Catalog, Release 7. wikidata.org.
  16. [17] . The SDSS Photometric Catalog, Release 7. wikidata.org.
  17. [18] . Gaia Data Release 2. wikidata.org.
  18. [19] . Gaia Data Release 2. wikidata.org.
  19. [20] . Colors and kinematics of L dwarfs from the Sloan Digital Sky Survey. wikidata.org.
  20. [21] . Gaia Data Release 2. 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.

📑 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). Q81909081. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81909081
MLA “Q81909081.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81909081.
BibTeX @misc{4ortxyz_q81909081_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81909081}}, year = {2026}, url = {https://4ort.xyz/entity/q81909081}, note = {Accessed: 2026-05-07}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81909081 — https://4ort.xyz/entity/q81909081 (retrieved 2026-05-07)

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