2MASS J15400942+3742316

brown dwarf
Thing brown_dwarf Q222637
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2MASS J15400942+3742316

Summary

2MASS J15400942+3742316 is a brown dwarf[1].

Key Facts

  • 2MASS J15400942+3742316's instance of is recorded as brown dwarf[2].
  • 2MASS J15400942+3742316's constellation is recorded as Corona Borealis[3].
  • 2MASS J15400942+3742316's spectral class is recorded as L9[4].
  • 2MASS J15400942+3742316's catalog code is recorded as 2MASS J15400942+3742316[5].
  • 2MASS J15400942+3742316's catalog code is recorded as SDSS J154009.38+374230.7[6].
  • 2MASS J15400942+3742316's catalog code is recorded as SDSS J154009.36+374230.3[7].
  • 2MASS J15400942+3742316's catalog code is recorded as SDSS J154009.38+374230.8[8].
  • 2MASS J15400942+3742316's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.558'}[9].
  • 2MASS J15400942+3742316's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.348'}[10].
  • 2MASS J15400942+3742316's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.739'}[11].
  • 2MASS J15400942+3742316's apparent magnitude is recorded as {'unit': '1', 'amount': '+25.40'}[12].
  • 2MASS J15400942+3742316's apparent magnitude is recorded as {'unit': '1', 'amount': '+25.36'}[13].
  • 2MASS J15400942+3742316's apparent magnitude is recorded as {'unit': '1', 'amount': '+24.16'}[14].
  • 2MASS J15400942+3742316's apparent magnitude is recorded as {'unit': '1', 'amount': '+21.83'}[15].
  • 2MASS J15400942+3742316's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.98'}[16].
  • 2MASS J15400942+3742316's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+19.2'}[17].
  • 2MASS J15400942+3742316's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+235.0392583'}[18].
  • 2MASS J15400942+3742316's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+37.7087778'}[19].
  • 2MASS J15400942+3742316's epoch is recorded as J2000.0[20].
  • 2MASS J15400942+3742316's effective temperature is recorded as {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+1600'}[21].
  • 2MASS J15400942+3742316's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-416'}[22].
  • 2MASS J15400942+3742316's right ascension component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-268'}[23].

Body

Definition and Type

2MASS J15400942+3742316'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] . Discovery of the young L dwarf WISE J174102.78-464225.5. wikidata.org.
  4. [5] . SIMBAD. wikidata.org.
  5. [6] . SIMBAD. wikidata.org.
  6. [7] . SIMBAD. wikidata.org.
  7. [8] . SIMBAD. 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] . SIMBAD. wikidata.org.
  12. [13] . SIMBAD. wikidata.org.
  13. [14] . SIMBAD. wikidata.org.
  14. [15] . SIMBAD. wikidata.org.
  15. [16] . SIMBAD. wikidata.org.
  16. [17] . Colors and kinematics of L dwarfs from the Sloan Digital Sky Survey. wikidata.org.
  17. [18] . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  18. [19] . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  19. [20] . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  20. [21] . BANYAN. VII. A new population of young substellar candidate members of nearby moving groups from the BASS survey. wikidata.org.
  21. [22] . Colors and kinematics of L dwarfs from the Sloan Digital Sky Survey. wikidata.org.
  22. [23] . Colors and kinematics of L dwarfs from the Sloan Digital Sky Survey. 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). 2MASS J15400942+3742316. Retrieved May 7, 2026, from https://4ort.xyz/entity/q222637
MLA “2MASS J15400942+3742316.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q222637.
BibTeX @misc{4ortxyz_q222637_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{2MASS J15400942+3742316}}, year = {2026}, url = {https://4ort.xyz/entity/q222637}, note = {Accessed: 2026-05-07}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 2MASS J15400942+3742316 — https://4ort.xyz/entity/q222637 (retrieved 2026-05-07)

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