Home › Entities › exoplanet › 2MASS J0249-0557B

2MASS J0249-0557B

exoplanet in the constellation Eridanus
Place exoplanet Q113434232
Press Enter · cited answer in seconds

2MASS J0249-0557B

Summary

2MASS J0249-0557B is an exoplanet[1].

Key Facts

  • 2MASS J0249-0557B's instance of is recorded as exoplanet[2].
  • 2MASS J0249-0557B's constellation is recorded as Eridanus[3].
  • 2MASS J0249-0557B's companion of is recorded as 2MASS J0249-0557A[4].
  • 2MASS J0249-0557B's time of discovery or invention is recorded as +2018-00-00T00:00:00Z[5].
  • 2MASS J0249-0557B's discovery method is recorded as astrometry[6].
  • 2MASS J0249-0557B's mass is recorded as {'unit': 'http://www.wikidata.org/entity/Q651336', 'amount': '+44'}[7].
  • 2MASS J0249-0557B's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+48.9'}[8].
  • 2MASS J0249-0557B's Extrasolar Planets Encyclopaedia exoplanet ID is recorded as 2mass_j0249_0557b--6789[9].
  • 2MASS J0249-0557B's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+42.48495205921770'}[10].
  • 2MASS J0249-0557B's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-5.95983633565570'}[11].
  • 2MASS J0249-0557B's epoch is recorded as J2000.0[12].

Body

Designation and Status

2MASS J0249-0557B's instance of is recorded as exoplanet[2].

References

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

Direct Wikidata claims

  1. [2] ↑ . Extrasolar Planets Encyclopaedia. wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . Extrasolar Planets Encyclopaedia. wikidata.org.
  5. [6] ↑ . Extrasolar Planets Encyclopaedia. wikidata.org.
  6. [7] ↑ . The Hawaii Infrared Parallax Program. III. 2MASS J0249–0557 c: A Wide Planetary-mass Companion to a Low-mass Binary in the β Pic Moving Group. wikidata.org.
  7. [8] ↑ . Extrasolar Planets Encyclopaedia. wikidata.org.
  8. [9] ↑ . wikidata.org.
  9. [10] ↑ . wikidata.org.
  10. [11] ↑ . wikidata.org.
  11. [12] ↑ . Extrasolar Planets Encyclopaedia. 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 J0249-0557B. Retrieved May 3, 2026, from https://4ort.xyz/entity/2mass-j0249-0557b
MLA “2MASS J0249-0557B.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/2mass-j0249-0557b.
BibTeX @misc{4ortxyz_2mass-j0249-0557b_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{2MASS J0249-0557B}}, year = {2026}, url = {https://4ort.xyz/entity/2mass-j0249-0557b}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 2MASS J0249-0557B — https://4ort.xyz/entity/2mass-j0249-0557b (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/2mass-j0249-0557b · Last refreshed: