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PR Librae

long period variable
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PR Librae

Summary

PR Librae is a long-period variable star[1].

Key Facts

  • PR Librae's instance of is recorded as long-period variable star[2].
  • PR Librae's constellation is recorded as Libra[3].
  • PR Librae's spectral class is recorded as K5[4].
  • PR Librae's catalog code is recorded as BD-03 3753[5].
  • PR Librae's catalog code is recorded as IRAS 15135-0420[6].
  • PR Librae's catalog code is recorded as PPM 198408[7].
  • PR Librae's catalog code is recorded as 2MASS J15161045-0431150[8].
  • PR Librae's catalog code is recorded as TYC 5010-821-1[9].
  • PR Librae's catalog code is recorded as AKARI-IRC-V1 J1516104-043115[10].
  • PR Librae's catalog code is recorded as DO 3682[11].
  • PR Librae's catalog code is recorded as Gaia DR2 6335317387144206336[12].
  • PR Librae's catalog code is recorded as PR Lib[13].
  • PR Librae's apparent magnitude is recorded as {'unit': '1', 'amount': '+6.413'}[14].
  • PR Librae's apparent magnitude is recorded as {'unit': '1', 'amount': '+5.485'}[15].
  • PR Librae's apparent magnitude is recorded as {'unit': '1', 'amount': '+5.264'}[16].
  • PR Librae's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.08'}[17].
  • PR Librae's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.56'}[18].
  • PR Librae's apparent magnitude is recorded as {'unit': '1', 'amount': '+9.1209'}[19].
  • PR Librae's apparent magnitude is recorded as {'unit': '1', 'amount': '+9.90'}[20].
  • PR Librae's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+0.5388'}[21].
  • PR Librae's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-54.42'}[22].
  • PR Librae's Google Knowledge Graph ID is recorded as /g/11ht3bvbfn[23].
  • PR Librae's SIMBAD ID is recorded as V* PR Lib[24].
  • PR Librae's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+229.04355361411710'}[25].
  • PR Librae's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-4.52082260302960'}[26].

Body

Designation and Status

PR Librae's instance of is recorded as long-period variable star[2].

History and Context

Catalog codes include BD-03 3753[5], IRAS 15135-0420[6], PPM 198408[7], 2MASS J15161045-0431150[8], TYC 5010-821-1[9], and AKARI-IRC-V1 J1516104-043115[10].

References

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

Direct Wikidata claims

  1. [2] ↑ . SIMBAD. wikidata.org.
  2. [3] ↑ . VizieR. wikidata.org.
  3. [4] ↑ . Dearborn Observatory Catalogue of faint red stars (parts 1A, 1B and 1C). 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] ↑ . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). 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] ↑ . The Tycho-2 catalogue of the 2.5 million brightest stars. wikidata.org.
  17. [18] ↑ . The Tycho-2 catalogue of the 2.5 million brightest stars. wikidata.org.
  18. [19] ↑ . Gaia Data Release 2. wikidata.org.
  19. [20] ↑ . Q56001295. wikidata.org.
  20. [21] ↑ . Gaia Data Release 2. wikidata.org.
  21. [22] ↑ . Gaia Data Release 2. 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). PR Librae. Retrieved May 3, 2026, from https://4ort.xyz/entity/pr-librae
MLA “PR Librae.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/pr-librae.
BibTeX @misc{4ortxyz_pr-librae_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{PR Librae}}, year = {2026}, url = {https://4ort.xyz/entity/pr-librae}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): PR Librae — https://4ort.xyz/entity/pr-librae (retrieved 2026-05-03)

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