BI Hydrae

RR Lyrae variable star in the constellation Hydra
Place rr_lyrae_variable Q81164015
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BI Hydrae

Summary

BI Hydrae is a RR Lyrae variable[1].

Key Facts

  • BI Hydrae's instance of is recorded as RR Lyrae variable[2].
  • BI Hydrae's instance of is recorded as near-infrared source[3].
  • BI Hydrae's instance of is recorded as variable star[4].
  • BI Hydrae's constellation is recorded as Hydra[5].
  • BI Hydrae's catalog code is recorded as GSC 07205-01078[6].
  • BI Hydrae's catalog code is recorded as UCAC2 18171113[7].
  • BI Hydrae's catalog code is recorded as UCAC3 116-138735[8].
  • BI Hydrae's catalog code is recorded as 2MASS J11114819-3222537[9].
  • BI Hydrae's catalog code is recorded as CRTS J111148.1-322255[10].
  • BI Hydrae's catalog code is recorded as Gaia DR1 5403461865055509888[11].
  • BI Hydrae's catalog code is recorded as Gaia DR2 5403461869352675584[12].
  • BI Hydrae's catalog code is recorded as BI Hya[13].
  • BI Hydrae's catalog code is recorded as TIC 23382367[14].
  • BI Hydrae's catalog code is recorded as WISEA J111148.20-322253.6[15].
  • BI Hydrae's catalog code is recorded as Gaia DR3 5403461869352675584[16].
  • BI Hydrae's catalog code is recorded as TYC 7205-1078-1[17].
  • BI Hydrae's type of variable star is recorded as RR Lyrae variable with asymmetric light curves[18].
  • BI Hydrae's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.63'}[19].
  • BI Hydrae's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.74'}[20].
  • BI Hydrae's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.76'}[21].
  • BI Hydrae's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.817'}[22].
  • BI Hydrae's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.577'}[23].
  • BI Hydrae's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.517'}[24].
  • BI Hydrae's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.631822'}[25].
  • BI Hydrae's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+0.7157'}[26].

Body

Designation and Status

Recorded instance of include RR Lyrae variable[2], near-infrared source[3], and variable star[4].

History and Context

Catalog codes include GSC 07205-01078[6], UCAC2 18171113[7], UCAC3 116-138735[8], 2MASS J11114819-3222537[9], CRTS J111148.1-322255[10], and Gaia DR1 5403461865055509888[11].

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] . 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] . Gaia Data Release 3. wikidata.org.
  15. [16] . SIMBAD. wikidata.org.
  16. [17] . SIMBAD. wikidata.org.
  17. [18] . Discovery of ~9,000 new RR Lyrae in the southern Catalina surveys. wikidata.org.
  18. [19] . The Tycho-2 catalogue of the 2.5 million brightest stars. wikidata.org.
  19. [20] . The Tycho-2 catalogue of the 2.5 million brightest stars. wikidata.org.
  20. [21] . Third U.S. Naval Observatory CCD Astrograph Catalog (UCAC3). wikidata.org.
  21. [22] . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  22. [23] . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  23. [24] . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  24. [25] . Gaia Early Data Release 3. 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). BI Hydrae. Retrieved May 3, 2026, from https://4ort.xyz/entity/bi-hydrae
MLA “BI Hydrae.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/bi-hydrae.
BibTeX @misc{4ortxyz_bi-hydrae_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{BI Hydrae}}, year = {2026}, url = {https://4ort.xyz/entity/bi-hydrae}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): BI Hydrae — https://4ort.xyz/entity/bi-hydrae (retrieved 2026-05-03)

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