U Librae

Mira variable star in the constellation Libra
Place mira_variable Q56303604
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U Librae

Summary

U Librae is a Mira variable[1].

Key Facts

  • U Librae's instance of is recorded as Mira variable[2].
  • U Librae's constellation is recorded as Libra[3].
  • U Librae's spectral class is recorded as M3[4].
  • U Librae's catalog code is recorded as GCRV 9058[5].
  • U Librae's catalog code is recorded as IRAS 15391-2101[6].
  • U Librae's catalog code is recorded as 2MASS J15420315-2110507[7].
  • U Librae's catalog code is recorded as RAVE J154203.2-211051[8].
  • U Librae's catalog code is recorded as BD-20 4305[9].
  • U Librae's catalog code is recorded as WEB 13044[10].
  • U Librae's catalog code is recorded as Gaia DR2 6241714553525103360[11].
  • U Librae's catalog code is recorded as U Lib[12].
  • U Librae's catalog code is recorded as AAVSO 1536-20A[13].
  • U Librae's type of variable star is recorded as Mira variable[14].
  • U Librae's apparent magnitude is recorded as {'unit': '1', 'amount': '+9.00'}[15].
  • U Librae's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.5918'}[16].
  • U Librae's apparent magnitude is recorded as {'unit': '1', 'amount': '+5.823'}[17].
  • U Librae's apparent magnitude is recorded as {'unit': '1', 'amount': '+4.98'}[18].
  • U Librae's apparent magnitude is recorded as {'unit': '1', 'amount': '+4.560'}[19].
  • U Librae's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+0.7400'}[20].
  • U Librae's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+92.72'}[21].
  • U Librae's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+1356.54'}[22].
  • U Librae's Google Knowledge Graph ID is recorded as /g/11fzd1rb0x[23].
  • U Librae's SIMBAD ID is recorded as V* U Lib[24].
  • U Librae's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+235.51314040534940'}[25].
  • U Librae's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-21.18076250678280'}[26].

Body

Designation and Status

U Librae's instance of is recorded as Mira variable[2].

History and Context

Catalog codes include GCRV 9058[5], IRAS 15391-2101[6], 2MASS J15420315-2110507[7], RAVE J154203.2-211051[8], BD-20 4305[9], and WEB 13044[10].

References

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

Direct Wikidata claims

  1. [2] . General Catalogue of Variable Stars. wikidata.org.
  2. [3] . VizieR. 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] . General Catalogue of Variable Stars, 3rd ed.. wikidata.org.
  14. [15] . Catalogue of Stellar Photometry in Johnson's 11-color system. wikidata.org.
  15. [16] . Gaia Data Release 2. 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] . Gaia Data Release 2. wikidata.org.
  20. [21] . The Radial Velocity Experiment (RAVE): fifth data release. wikidata.org.
  21. [22] . The Radial Velocity Experiment (RAVE): fifth data release. wikidata.org.
  22. [23] . wikidata.org.
  23. [24] . wikidata.org.
  24. [25] . Gaia Data Release 2. wikidata.org.
  25. [26] . Gaia Data Release 2. 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). U Librae. Retrieved May 3, 2026, from https://4ort.xyz/entity/u-librae
MLA “U Librae.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/u-librae.
BibTeX @misc{4ortxyz_u-librae_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{U Librae}}, year = {2026}, url = {https://4ort.xyz/entity/u-librae}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): U Librae — https://4ort.xyz/entity/u-librae (retrieved 2026-05-03)

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