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HI Hydrae

RR Lyrae variable star in the constellation Hydra
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HI Hydrae

Summary

HI Hydrae is a RR Lyrae variable[1].

Key Facts

  • HI Hydrae's instance of is recorded as RR Lyrae variable[2].
  • HI Hydrae's instance of is recorded as near-infrared source[3].
  • HI Hydrae's instance of is recorded as variable star[4].
  • HI Hydrae's constellation is recorded as Hydra[5].
  • HI Hydrae's catalog code is recorded as GSC 06758-02568[6].
  • HI Hydrae's catalog code is recorded as 2MASS J14424005-2807552[7].
  • HI Hydrae's catalog code is recorded as CRTS J144240.0-280754[8].
  • HI Hydrae's catalog code is recorded as Gaia DR2 6222317862739198592[9].
  • HI Hydrae's catalog code is recorded as HI Hya[10].
  • HI Hydrae's catalog code is recorded as Gaia DR3 6222317862739198592[11].
  • HI Hydrae's catalog code is recorded as TIC 55094[12].
  • HI Hydrae's catalog code is recorded as WISEA J144240.06-280755.2[13].
  • HI Hydrae's type of variable star is recorded as RR Lyrae variable with asymmetric light curves[14].
  • HI Hydrae's apparent magnitude is recorded as {'unit': '1', 'amount': '+13.072'}[15].
  • HI Hydrae's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.911'}[16].
  • HI Hydrae's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.855'}[17].
  • HI Hydrae's apparent magnitude is recorded as {'unit': '1', 'amount': '+13.79'}[18].
  • HI Hydrae's apparent magnitude is recorded as {'unit': '1', 'amount': '+13.900307'}[19].
  • HI Hydrae's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+0.2422'}[20].
  • HI Hydrae's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-61.11'}[21].
  • HI Hydrae's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+3056.581'}[22].
  • HI Hydrae's SIMBAD ID is recorded as V* HI Hya[23].
  • HI Hydrae's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+220.66690981953997'}[24].
  • HI Hydrae's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-28.13202399755'}[25].
  • HI Hydrae's epoch is recorded as J2000.0[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 06758-02568[6], 2MASS J14424005-2807552[7], CRTS J144240.0-280754[8], Gaia DR2 6222317862739198592[9], HI Hya[10], and Gaia DR3 6222317862739198592[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] ↑ . Gaia Data Release 3. wikidata.org.
  13. [14] ↑ . Discovery of ~9,000 new RR Lyrae in the southern Catalina surveys. wikidata.org.
  14. [15] ↑ . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  15. [16] ↑ . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  16. [17] ↑ . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  17. [18] ↑ . Discovery of ~9,000 new RR Lyrae in the southern Catalina surveys. wikidata.org.
  18. [19] ↑ . Gaia Early Data Release 3. wikidata.org.
  19. [20] ↑ . Gaia Early Data Release 3. wikidata.org.
  20. [21] ↑ . Gaia Data Release 3. wikidata.org.
  21. [22] ↑ . Gaia Data Release 3. wikidata.org.
  22. [23] ↑ . wikidata.org.
  23. [24] ↑ . Gaia Early Data Release 3. wikidata.org.
  24. [25] ↑ . Gaia Early Data Release 3. wikidata.org.
  25. [26] ↑ . Gaia Data Release 2. wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

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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). HI Hydrae. Retrieved May 3, 2026, from https://4ort.xyz/entity/hi-hydrae
MLA “HI Hydrae.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/hi-hydrae.
BibTeX @misc{4ortxyz_hi-hydrae_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{HI Hydrae}}, year = {2026}, url = {https://4ort.xyz/entity/hi-hydrae}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): HI Hydrae — https://4ort.xyz/entity/hi-hydrae (retrieved 2026-05-03)

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