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RR Librae

Mira variable star in the constellation Libra
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RR Librae

Summary

RR Librae is a Mira variable[1].

Key Facts

  • RR Librae's instance of is recorded as Mira variable[2].
  • RR Librae's constellation is recorded as Libra[3].
  • RR Librae's spectral class is recorded as M8[4].
  • RR Librae's catalog code is recorded as AAVSO 1550-18[5].
  • RR Librae's catalog code is recorded as CSI-18-15534[6].
  • RR Librae's catalog code is recorded as GCRV 9172[7].
  • RR Librae's catalog code is recorded as GSC 06191-00619[8].
  • RR Librae's catalog code is recorded as HD 142641[9].
  • RR Librae's catalog code is recorded as IRAS 15535-1809[10].
  • RR Librae's catalog code is recorded as IRC -20300[11].
  • RR Librae's catalog code is recorded as ASAS J155624-1818.3[12].
  • RR Librae's catalog code is recorded as TYC 6191-619-1[13].
  • RR Librae's catalog code is recorded as 2MASS J15562370-1818150[14].
  • RR Librae's catalog code is recorded as WEB 13202[15].
  • RR Librae's catalog code is recorded as Gaia DR2 6248320694264829440[16].
  • RR Librae's catalog code is recorded as RR Lib[17].
  • RR Librae's type of variable star is recorded as long-period variable star[18].
  • RR Librae's apparent magnitude is recorded as {'unit': '1', 'amount': '+7.80'}[19].
  • RR Librae's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.71'}[20].
  • RR Librae's apparent magnitude is recorded as {'unit': '1', 'amount': '+3.87'}[21].
  • RR Librae's apparent magnitude is recorded as {'unit': '1', 'amount': '+2.50'}[22].
  • RR Librae's apparent magnitude is recorded as {'unit': '1', 'amount': '+2.94'}[23].
  • RR Librae's apparent magnitude is recorded as {'unit': '1', 'amount': '+8.9288'}[24].
  • RR Librae's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+1.3993'}[25].
  • RR Librae's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-34'}[26].

Body

Designation and Status

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

History and Context

Catalog codes include AAVSO 1550-18[5], CSI-18-15534[6], GCRV 9172[7], GSC 06191-00619[8], HD 142641[9], and IRAS 15535-1809[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] ↑ . Classification of 831 Two-Micron Sky Survey. 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] ↑ . SIMBAD. wikidata.org.
  14. [15] ↑ . SIMBAD. wikidata.org.
  15. [16] ↑ . SIMBAD. wikidata.org.
  16. [17] ↑ . SIMBAD. wikidata.org.
  17. [18] ↑ . Determination of pulsation periods and other parameters of 2875 stars classified as Mira in the All Sky Automated Survey (ASAS). wikidata.org.
  18. [19] ↑ . Catalogue of Stellar Photometry in Johnson's 11-color system. wikidata.org.
  19. [20] ↑ . The Tycho-2 catalogue of the 2.5 million brightest stars. wikidata.org.
  20. [21] ↑ . Catalogue of Stellar Photometry in Johnson's 11-color system. wikidata.org.
  21. [22] ↑ . Catalogue of Stellar Photometry in Johnson's 11-color system. wikidata.org.
  22. [23] ↑ . Catalogue of Stellar Photometry in Johnson's 11-color system. wikidata.org.
  23. [24] ↑ . Gaia Data Release 2. wikidata.org.
  24. [25] ↑ . Gaia Data Release 2. wikidata.org.
  25. [26] ↑ . Mira kinematics from Hipparcos data: a Galactic bar to beyond the Solar circle. 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). RR Librae. Retrieved May 3, 2026, from https://4ort.xyz/entity/rr-librae
MLA “RR Librae.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/rr-librae.
BibTeX @misc{4ortxyz_rr-librae_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{RR Librae}}, year = {2026}, url = {https://4ort.xyz/entity/rr-librae}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): RR Librae — https://4ort.xyz/entity/rr-librae (retrieved 2026-05-03)

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