2MASSI J1721039+334415

brown dwarf
Thing brown_dwarf Q222731
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Summary

2MASSI J1721039+334415 is a brown dwarf[1].

Key Facts

  • 2MASSI J1721039+334415's instance of is recorded as brown dwarf[2].
  • 2MASSI J1721039+334415's instance of is recorded as star[3].
  • 2MASSI J1721039+334415's instance of is recorded as astronomical radio source[4].
  • 2MASSI J1721039+334415's instance of is recorded as infrared source[5].
  • 2MASSI J1721039+334415's constellation is recorded as Hercules[6].
  • 2MASSI J1721039+334415's spectral class is recorded as L5.3:V[7].
  • 2MASSI J1721039+334415's catalog code is recorded as 2MASS J17210390+3344160[8].
  • 2MASSI J1721039+334415's catalog code is recorded as Gaia DR2 1334160263982413696[9].
  • 2MASSI J1721039+334415's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.5629'}[10].
  • 2MASSI J1721039+334415's apparent magnitude is recorded as {'unit': '1', 'amount': '+13.625'}[11].
  • 2MASSI J1721039+334415's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.952'}[12].
  • 2MASSI J1721039+334415's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.489'}[13].
  • 2MASSI J1721039+334415's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+61.3203'}[14].
  • 2MASSI J1721039+334415's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+16.3078'}[15].
  • 2MASSI J1721039+334415's Google Knowledge Graph ID is recorded as /g/1z3t22s8s[16].
  • 2MASSI J1721039+334415's SIMBAD ID is recorded as 2MASSI J1721039+334415[17].
  • 2MASSI J1721039+334415's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+260.26513834180040'}[18].
  • 2MASSI J1721039+334415's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+33.73803420009167'}[19].
  • 2MASSI J1721039+334415's epoch is recorded as J2000.0[20].
  • 2MASSI J1721039+334415's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+591.642'}[21].
  • 2MASSI J1721039+334415's right ascension component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-1855.601'}[22].
  • 2MASSI J1721039+334415's Gaia ID is recorded as 1334160263982413696[23].

References

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

Direct Wikidata claims

  1. [2] ↑ . SIMBAD. wikidata.org.
  2. [3] ↑ . SIMBAD. wikidata.org.
  3. [4] ↑ . SIMBAD. wikidata.org.
  4. [5] ↑ . SIMBAD. wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . 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.
  7. [8] ↑ . SIMBAD. wikidata.org.
  8. [9] ↑ . SIMBAD. wikidata.org.
  9. [10] ↑ . Gaia Data Release 2. 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] ↑ . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  13. [14] ↑ . Gaia Data Release 2. wikidata.org.
  14. [15] ↑ . Gaia Data Release 2. wikidata.org.
  15. [16] ↑ . wikidata.org.
  16. [17] ↑ . SIMBAD. wikidata.org.
  17. [18] ↑ . Gaia Data Release 2. wikidata.org.
  18. [19] ↑ . Gaia Data Release 2. wikidata.org.
  19. [20] ↑ . Gaia Data Release 2. wikidata.org.
  20. [21] ↑ . Gaia Data Release 2. wikidata.org.
  21. [22] ↑ . Gaia Data Release 2. wikidata.org.
  22. [23] ↑ . 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). 2MASSI J1721039+334415. Retrieved October 2, 2026, from https://4ort.xyz/entity/2massi-j1721039-334415
MLA “2MASSI J1721039+334415.” 4ort.xyz Knowledge Graph, 4ort.xyz, 2 Oct. 2026, https://4ort.xyz/entity/2massi-j1721039-334415.
BibTeX @misc{4ortxyz_2massi-j1721039-334415_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{2MASSI J1721039+334415}}, year = {2026}, url = {https://4ort.xyz/entity/2massi-j1721039-334415}, note = {Accessed: 2026-10-02}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 2MASSI J1721039+334415 — https://4ort.xyz/entity/2massi-j1721039-334415 (retrieved 2026-10-02)

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