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XX Hydrae

RR Lyrae variable star in the constellation Hydra
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XX Hydrae

Summary

XX Hydrae is a RR Lyrae variable[1].

Key Facts

  • XX Hydrae's instance of is recorded as RR Lyrae variable[2].
  • XX Hydrae's instance of is recorded as near-infrared source[3].
  • XX Hydrae's constellation is recorded as Hydra[4].
  • XX Hydrae's catalog code is recorded as GCRV 6006[5].
  • XX Hydrae's catalog code is recorded as GSC 06027-00968[6].
  • XX Hydrae's catalog code is recorded as 2MASS J09094947-1535587[7].
  • XX Hydrae's catalog code is recorded as CRTS J090949.5-153559[8].
  • XX Hydrae's catalog code is recorded as WEB 8593[9].
  • XX Hydrae's catalog code is recorded as Gaia DR2 5731175536258220544[10].
  • XX Hydrae's catalog code is recorded as XX Hya[11].
  • XX Hydrae's catalog code is recorded as WISEA J090949.49-153559.0[12].
  • XX Hydrae's catalog code is recorded as TIC 1255778[13].
  • XX Hydrae's catalog code is recorded as Gaia DR3 5731175536258220544[14].
  • XX Hydrae's type of variable star is recorded as RR Lyrae variable with asymmetric light curves[15].
  • XX Hydrae's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.50'}[16].
  • XX Hydrae's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.040'}[17].
  • XX Hydrae's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.776'}[18].
  • XX Hydrae's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.711'}[19].
  • XX Hydrae's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.39'}[20].
  • XX Hydrae's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.004156'}[21].
  • XX Hydrae's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+0.5224'}[22].
  • XX Hydrae's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+65.07'}[23].
  • XX Hydrae's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+1914.24'}[24].
  • XX Hydrae's SIMBAD ID is recorded as V* XX Hya[25].
  • XX Hydrae's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+137.45618193077'}[26].

Body

Designation and Status

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

History and Context

Catalog codes include GCRV 6006[5], GSC 06027-00968[6], 2MASS J09094947-1535587[7], CRTS J090949.5-153559[8], WEB 8593[9], and Gaia DR2 5731175536258220544[10].

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] ↑ . 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] ↑ . Gaia Data Release 3. wikidata.org.
  12. [13] ↑ . SIMBAD. wikidata.org.
  13. [14] ↑ . SIMBAD. wikidata.org.
  14. [15] ↑ . Probing the outer galactic halo with RR Lyrae from the Catalina surveys. wikidata.org.
  15. [16] ↑ . SIMBAD. wikidata.org.
  16. [17] ↑ . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  17. [18] ↑ . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  18. [19] ↑ . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  19. [20] ↑ . Probing the outer galactic halo with RR Lyrae from the Catalina surveys. wikidata.org.
  20. [21] ↑ . Gaia Early Data Release 3. wikidata.org.
  21. [22] ↑ . Gaia Early Data Release 3. wikidata.org.
  22. [23] ↑ . Gaia Data Release 3. wikidata.org.
  23. [24] ↑ . Gaia Early Data Release 3. wikidata.org.
  24. [25] ↑ . wikidata.org.
  25. [26] ↑ . Gaia Early Data Release 3. 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). XX Hydrae. Retrieved May 3, 2026, from https://4ort.xyz/entity/xx-hydrae
MLA “XX Hydrae.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/xx-hydrae.
BibTeX @misc{4ortxyz_xx-hydrae_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{XX Hydrae}}, year = {2026}, url = {https://4ort.xyz/entity/xx-hydrae}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): XX Hydrae — https://4ort.xyz/entity/xx-hydrae (retrieved 2026-05-03)

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