V661 Hydrae

eclipsing binary star
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V661 Hydrae

Summary

V661 Hydrae is an eclipsing binary star[1].

Key Facts

  • V661 Hydrae's instance of is recorded as eclipsing binary star[2].
  • V661 Hydrae's constellation is recorded as Hydra[3].
  • V661 Hydrae's catalog code is recorded as USNO-B1.0 0771-00283163[4].
  • V661 Hydrae's catalog code is recorded as 2MASS J10312754-1253588[5].
  • V661 Hydrae's catalog code is recorded as [GGM2006] 15797797[6].
  • V661 Hydrae's catalog code is recorded as RAVE J103127.5-125357[7].
  • V661 Hydrae's catalog code is recorded as RAVE J103127.5-125358[8].
  • V661 Hydrae's catalog code is recorded as NSVS 15793255[9].
  • V661 Hydrae's catalog code is recorded as DENIS J103127.5-125358[10].
  • V661 Hydrae's catalog code is recorded as CRTS J103127.5-125358[11].
  • V661 Hydrae's catalog code is recorded as Gaia DR2 3754207896704732032[12].
  • V661 Hydrae's catalog code is recorded as ASAS J103128-1254.0[13].
  • V661 Hydrae's catalog code is recorded as ATO J157.8647-12.8996[14].
  • V661 Hydrae's catalog code is recorded as TIC 334775921[15].
  • V661 Hydrae's catalog code is recorded as V661 Hya[16].
  • V661 Hydrae's catalog code is recorded as Gaia DR3 3754207896704732032[17].
  • V661 Hydrae's catalog code is recorded as WISEA J103127.54-125358.5[18].
  • V661 Hydrae's type of variable star is recorded as W Ursae Majoris variable[19].
  • V661 Hydrae's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.592'}[20].
  • V661 Hydrae's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.141'}[21].
  • V661 Hydrae's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.036'}[22].
  • V661 Hydrae's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.82'}[23].
  • V661 Hydrae's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.986'}[24].
  • V661 Hydrae's apparent magnitude is recorded as {'unit': '1', 'amount': '+13.81'}[25].
  • V661 Hydrae's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.69'}[26].

Body

Designation and Status

V661 Hydrae's instance of is recorded as eclipsing binary star[2].

History and Context

Catalog codes include USNO-B1.0 0771-00283163[4], 2MASS J10312754-1253588[5], [GGM2006] 15797797[6], RAVE J103127.5-125357[7], RAVE J103127.5-125358[8], and NSVS 15793255[9].

References

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

Direct Wikidata claims

  1. [2] . SIMBAD. wikidata.org.
  2. [3] . 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] . SIMBAD. wikidata.org.
  9. [10] . SIMBAD. wikidata.org.
  10. [11] . SIMBAD. wikidata.org.
  11. [12] . SIMBAD. wikidata.org.
  12. [13] . SIMBAD. wikidata.org.
  13. [14] . SIMBAD. wikidata.org.
  14. [15] . SIMBAD. wikidata.org.
  15. [16] . SIMBAD. wikidata.org.
  16. [17] . SIMBAD. wikidata.org.
  17. [18] . The Sixth Data Release of the Radial Velocity Experiment (RAVE). II. Stellar Atmospheric Parameters, Chemical Abundances, and Distances. wikidata.org.
  18. [19] . A catalog of 1022 bright contact binary stars. 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] . The Catalina surveys periodic variable star catalog. wikidata.org.
  23. [24] . The DENIS database, 3rd Release. wikidata.org.
  24. [25] . The USNO-B Catalog. wikidata.org.
  25. [26] . The USNO-B Catalog. 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). V661 Hydrae. Retrieved May 3, 2026, from https://4ort.xyz/entity/v661-hydrae
MLA “V661 Hydrae.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/v661-hydrae.
BibTeX @misc{4ortxyz_v661-hydrae_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{V661 Hydrae}}, year = {2026}, url = {https://4ort.xyz/entity/v661-hydrae}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): V661 Hydrae — https://4ort.xyz/entity/v661-hydrae (retrieved 2026-05-03)

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