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K2-257

star in the constellation Virgo
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K2-257

Summary

K2-257 is a high proper-motion star[1].

Key Facts

  • K2-257's instance of is recorded as high proper-motion star[2].
  • K2-257's instance of is recorded as near-infrared source[3].
  • K2-257's constellation is recorded as Virgo[4].
  • K2-257's spectral class is recorded as M1V[5].
  • K2-257's child astronomical body is recorded as Q79203855[6].
  • K2-257's catalog code is recorded as UCAC4 441-055309[7].
  • K2-257's catalog code is recorded as Gaia DR2 3695235654973028736[8].
  • K2-257's catalog code is recorded as 2MASS J12330683-0157113[9].
  • K2-257's catalog code is recorded as Gaia DR3 3695235654973028736[10].
  • K2-257's catalog code is recorded as TIC 130640162[11].
  • K2-257's catalog code is recorded as K2-257[12].
  • K2-257's catalog code is recorded as EPIC 228974324[13].
  • K2-257's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.15'}[14].
  • K2-257's apparent magnitude is recorded as {'unit': '1', 'amount': '+13.09'}[15].
  • K2-257's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.44'}[16].
  • K2-257's apparent magnitude is recorded as {'unit': '1', 'amount': '+13.72'}[17].
  • K2-257's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.20'}[18].
  • K2-257's apparent magnitude is recorded as {'unit': '1', 'amount': '+13.24'}[19].
  • K2-257's apparent magnitude is recorded as {'unit': '1', 'amount': '+9.661'}[20].
  • K2-257's apparent magnitude is recorded as {'unit': '1', 'amount': '+9.898'}[21].
  • K2-257's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.477'}[22].
  • K2-257's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.845818'}[23].
  • K2-257's mass is recorded as {'unit': 'http://www.wikidata.org/entity/Q180892', 'amount': '+0.52'}[24].
  • K2-257's radius is recorded as {'unit': 'http://www.wikidata.org/entity/Q48440', 'amount': '+0.5'}[25].
  • K2-257's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+15.4345'}[26].

Body

Designation and Status

Recorded instance of include high proper-motion star[2] and near-infrared source[3].

History and Context

Catalog codes include UCAC4 441-055309[7], Gaia DR2 3695235654973028736[8], 2MASS J12330683-0157113[9], Gaia DR3 3695235654973028736[10], TIC 130640162[11], and K2-257[12].

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] ↑ . wikidata.org.
  4. [5] ↑ . Characterizing K2 Candidate Planetary Systems Orbiting Low-mass Stars. IV. Updated Properties for 86 Cool Dwarfs Observed during Campaigns 1-17. wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . SIMBAD. wikidata.org.
  7. [8] ↑ . SIMBAD. wikidata.org.
  8. [9] ↑ . SIMBAD. wikidata.org.
  9. [10] ↑ . SIMBAD. wikidata.org.
  10. [11] ↑ . SIMBAD. wikidata.org.
  11. [12] ↑ . Extrasolar Planets Encyclopaedia. wikidata.org.
  12. [13] ↑ . Extrasolar Planets Encyclopaedia. wikidata.org.
  13. [14] ↑ . Fourth USNO CCD Astrograph Catalog. wikidata.org.
  14. [15] ↑ . Fourth USNO CCD Astrograph Catalog. wikidata.org.
  15. [16] ↑ . Fourth USNO CCD Astrograph Catalog. wikidata.org.
  16. [17] ↑ . Fourth USNO CCD Astrograph Catalog. wikidata.org.
  17. [18] ↑ . Fourth USNO CCD Astrograph Catalog. wikidata.org.
  18. [19] ↑ . Fourth USNO CCD Astrograph Catalog. wikidata.org.
  19. [20] ↑ . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  20. [21] ↑ . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  21. [22] ↑ . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  22. [23] ↑ . Gaia Early Data Release 3. wikidata.org.
  23. [24] ↑ . Extrasolar Planets Encyclopaedia. wikidata.org.
  24. [25] ↑ . Extrasolar Planets Encyclopaedia. wikidata.org.
  25. [26] ↑ . Gaia Early Data Release 3. 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). K2-257. Retrieved May 3, 2026, from https://4ort.xyz/entity/k2-257
MLA “K2-257.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/k2-257.
BibTeX @misc{4ortxyz_k2-257_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{K2-257}}, year = {2026}, url = {https://4ort.xyz/entity/k2-257}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): K2-257 — https://4ort.xyz/entity/k2-257 (retrieved 2026-05-03)

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