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2MASS J10452400-0149576

brown dwarf
Thing brown_dwarf Q222447

Facts

15 properties
Instance of
brown dwarf
Apparent magnitude
15.7 (11.8–24.9, n=11)[9][10][11][12][13][14][15][16][17][18][19]
Catalog code
2MASS J10452400-0149576, SDSS J104523.97-014957.7, SDSS J104524.00-014957.6, SDSS J104523.98-014957.7, Gaia DR2 3802665122192531712[4][5][6][7][8]
Constellation
Sextans[2]
Declination
-1.83271291129530 degree
Declination component of proper motion
-10.237 milliarcsecond per year
Distance from Earth
17.0481 parsec[22]
Effective temperature
2,200 kelvin
Epoch
J2000.0
Imported from
wholeness_audit_2026-05-02_v2
Parallax
58.6576 milliarcsecond[20]
Radial velocity
1 kilometre per second[21]
Right ascension
161.34992405061090 degree[23]
Right ascension component of proper motion
-507.705 milliarcsecond per year
Spectral class
L2[3]
🔖 Identifiers · 3
Gaia ID
3802665122192531712
Google Knowledge Graph ID
/g/121rpjcl
SIMBAD ID
2MASS J10452400-0149576

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Summary

2MASS J10452400-0149576 is a brown dwarf[1].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . PARallaxes of Southern Extremely Cool objects (PARSEC). II. Spectroscopic follow-up and parallaxes of 52 targets. wikidata.org.
  3. [4] ↑ . SIMBAD. wikidata.org.
  4. [5] ↑ . SIMBAD. wikidata.org.
  5. [6] ↑ . SIMBAD. wikidata.org.
  6. [7] ↑ . SIMBAD. wikidata.org.
  7. [8] ↑ . SIMBAD. wikidata.org.
  8. [9] ↑ . RIPhotometry of 2MASS‐selected Late M and L Dwarfs. wikidata.org.
  9. [10] ↑ . RIPhotometry of 2MASS‐selected Late M and L Dwarfs. wikidata.org.
  10. [11] ↑ . Gaia Data Release 2. wikidata.org.
  11. [12] ↑ . Photometric brown-dwarf classification. II. A homogeneous sample of 1361 L and T dwarfs brighter than J = 17.5 with accurate spectral types. wikidata.org.
  12. [13] ↑ . Photometric brown-dwarf classification. II. A homogeneous sample of 1361 L and T dwarfs brighter than J = 17.5 with accurate spectral types. wikidata.org.
  13. [14] ↑ . Photometric brown-dwarf classification. II. A homogeneous sample of 1361 L and T dwarfs brighter than J = 17.5 with accurate spectral types. wikidata.org.
  14. [15] ↑ . The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
  15. [16] ↑ . The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
  16. [17] ↑ . The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
  17. [18] ↑ . The SDSS Photometric Catalog, Release 7. wikidata.org.
  18. [19] ↑ . The SDSS Photometric Catalog, Release 7. wikidata.org.
  19. [20] ↑ . Gaia Data Release 2. wikidata.org.
  20. [21] ↑ . The Brown Dwarf Kinematics Project (BDKP). IV. Radial velocities of 85 late-M and L dwarfs with MagE. wikidata.org.
  21. [22] ↑ . Gaia Data Release 2. wikidata.org.
  22. [23] ↑ . 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). 2MASS J10452400-0149576. Retrieved November 3, 2026, from https://4ort.xyz/entity/q222447
MLA “2MASS J10452400-0149576.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 Nov. 2026, https://4ort.xyz/entity/q222447.
BibTeX @misc{4ortxyz_q222447_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{2MASS J10452400-0149576}}, year = {2026}, url = {https://4ort.xyz/entity/q222447}, note = {Accessed: 2026-11-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 2MASS J10452400-0149576 — https://4ort.xyz/entity/q222447 (retrieved 2026-11-03)

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