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2MASS J15551573-0956055

brown dwarf
Thing brown_dwarf Q222658

Facts

15 properties
Instance of
brown dwarf
Apparent magnitude
11.4 (11.4–17.4, n=4)[6][7][8][9]
Catalog code
2MASS J15551573-0956055, Gaia DR2 4346523537966269824[4][5]
Constellation
Libra[2]
Declination
-9.93501235906010 degree[14]
Declination component of proper motion
-785.136 milliarcsecond per year[17]
Distance from Earth
13.5774 parsec[12]
Effective temperature
2,200 kelvin[16]
Epoch
J2000.0[15]
Imported from
wholeness_audit_2026-05-02_v2
Parallax
73.6519 milliarcsecond[10]
Radial velocity
15 kilometre per second[11]
Right ascension
238.81573695958730 degree[13]
Right ascension component of proper motion
931.633 milliarcsecond per year[18]
Spectral class
L1.6V[3]
🔖 Identifiers · 3
Gaia ID
4346523537966269824
Google Knowledge Graph ID
/g/122xf1jx
SIMBAD ID
2MASS J15551573-0956055

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Summary

2MASS J15551573-0956055 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] ↑ . 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.
  3. [4] ↑ . SIMBAD. wikidata.org.
  4. [5] ↑ . SIMBAD. wikidata.org.
  5. [6] ↑ . Gaia Data Release 2. wikidata.org.
  6. [7] ↑ . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  7. [8] ↑ . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  8. [9] ↑ . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  9. [10] ↑ . Gaia Data Release 2. wikidata.org.
  10. [11] ↑ . The Brown Dwarf Kinematics Project (BDKP). IV. Radial velocities of 85 late-M and L dwarfs with MagE. wikidata.org.
  11. [12] ↑ . Gaia Data Release 2. wikidata.org.
  12. [13] ↑ . Gaia Data Release 2. wikidata.org.
  13. [14] ↑ . Gaia Data Release 2. wikidata.org.
  14. [15] ↑ . Gaia Data Release 2. wikidata.org.
  15. [16] ↑ . The NIRSPEC ultracool dwarf radial velocity survey. wikidata.org.
  16. [17] ↑ . Gaia Data Release 2. wikidata.org.
  17. [18] ↑ . 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 J15551573-0956055. Retrieved November 1, 2026, from https://4ort.xyz/entity/q222658
MLA “2MASS J15551573-0956055.” 4ort.xyz Knowledge Graph, 4ort.xyz, 1 Nov. 2026, https://4ort.xyz/entity/q222658.
BibTeX @misc{4ortxyz_q222658_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{2MASS J15551573-0956055}}, year = {2026}, url = {https://4ort.xyz/entity/q222658}, note = {Accessed: 2026-11-01}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 2MASS J15551573-0956055 — https://4ort.xyz/entity/q222658 (retrieved 2026-11-01)

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