42 Librae

star in the constellation Libra
Place infrared_source Q3599093
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Summary

42 Librae is an infrared source[1]. It ranks in the top 1% of infrared source entities by monthly Wikipedia readership (15 views/month).[2]

Key Facts

Why It Matters

42 Librae has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.[64] It is known by 13 alternative names across languages and contexts.[65]

References

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

Direct Wikidata claims

  1. [3] ↑ . The Perkins catalog of revised MK types for the cooler stars. wikidata.org.
  2. [4] ↑ . SIMBAD. wikidata.org.
  3. [5] ↑ . The Perkins catalog of revised MK types for the cooler stars. wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . Q66617557. wikidata.org.
  6. [8] ↑ . The Perkins catalog of revised MK types for the cooler stars. wikidata.org.
  7. [9] ↑ . Multicolor photometry of stellar aggregates. wikidata.org.
  8. [10] ↑ . VizieR Online Data Catalog: Henry Draper Catalogue and Extension, published in Ann. Harvard Obs. 91-100 (1918-1925). wikidata.org.
  9. [11] ↑ . SIMBAD. wikidata.org.
  10. [12] ↑ . SIMBAD. wikidata.org.
  11. [13] ↑ . SIMBAD. wikidata.org.
  12. [14] ↑ . SIMBAD. wikidata.org.
  13. [15] ↑ . SIMBAD. wikidata.org.
  14. [16] ↑ . SIMBAD. wikidata.org.
  15. [17] ↑ . SIMBAD. wikidata.org.
  16. [18] ↑ . SIMBAD. wikidata.org.
  17. [19] ↑ . SIMBAD. wikidata.org.
  18. [20] ↑ . SIMBAD. wikidata.org.
  19. [21] ↑ . SIMBAD. wikidata.org.
  20. [22] ↑ . SIMBAD. wikidata.org.
  21. [23] ↑ . SIMBAD. wikidata.org.
  22. [24] ↑ . SIMBAD. wikidata.org.
  23. [25] ↑ . Catalogue of Stellar Photometry in Johnson's 11-color system. wikidata.org.
  24. [26] ↑ . Catalogue of Stellar Photometry in Johnson's 11-color system. wikidata.org.
  25. [27] ↑ . Catalogue of Stellar Photometry in Johnson's 11-color system. wikidata.org.
  26. [28] ↑ . Catalogue of Stellar Photometry in Johnson's 11-color system. wikidata.org.
  27. [29] ↑ . Catalogue of Stellar Photometry in Johnson's 11-color system. wikidata.org.
  28. [30] ↑ . Catalogue of Stellar Photometry in Johnson's 11-color system. wikidata.org.
  29. [31] ↑ . Catalogue of Stellar Photometry in Johnson's 11-color system. wikidata.org.
  30. [32] ↑ . Catalogue of Stellar Photometry in Johnson's 11-color system. wikidata.org.
  31. [33] ↑ . Gaia Early Data Release 3. wikidata.org.
  32. [34] ↑ . wikidata.org.
  33. [35] ↑ . Gaia Data Release 2. wikidata.org.
  34. [36] ↑ . The General Catalogue of Trigonometric Stellar Parallaxes, Fourth Edition. wikidata.org.
  35. [37] ↑ . Validation of the new Hipparcos reduction. wikidata.org.
  36. [38] ↑ . The HIPPARCOS Catalogue. wikidata.org.
  37. [39] ↑ . Gaia Early Data Release 3. wikidata.org.
  38. [40] ↑ . Gaia Data Release 2. wikidata.org.
  39. [41] ↑ . Vitesses radiales. Catalogue WEB: Wilson Evans Batten. Radial velocities: The Wilson-Evans-Batten catalogue. wikidata.org.
  40. [42] ↑ . Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system. wikidata.org.
  41. [43] ↑ . Radial velocities of 2111 stars. wikidata.org.
  42. [44] ↑ . Catalogue of observed velocities. wikidata.org.
  43. [45] ↑ . The radial velocities of 60 southern stars. wikidata.org.
  44. [46] ↑ . SIMBAD. wikidata.org.
  45. [47] ↑ . A catalogue of [Fe/H] determinations: 1996 edition. wikidata.org.
  46. [48] ↑ . High-resolution spectroscopic survey of 671 GK giants. I - Stellar atmosphere parameters and abundances. wikidata.org.
  47. [49] ↑ . Gaia Data Release 2. wikidata.org.
  48. [50] ↑ . Gaia Early Data Release 3. wikidata.org.
  49. [51] ↑ . Gaia Early Data Release 3. wikidata.org.
  50. [52] ↑ . Gaia Early Data Release 3. wikidata.org.
  51. [53] ↑ . Gaia Data Release 2. wikidata.org.
  52. [54] ↑ . A new implementation of the infrared flux method using the 2MASS catalogue. wikidata.org.
  53. [55] ↑ . The effective temperature scale of FGK stars. I. Determination of temperatures and angular diameters with the infrared flux method. wikidata.org.
  54. [56] ↑ . The effective temperature scale of giant stars (F0-K5). I. The effective temperature determination by means of the IRFM. wikidata.org.
  55. [57] ↑ . Determination of the temperatures of selected ISO flux calibration stars using the Infrared Flux Method. wikidata.org.
  56. [58] ↑ . Towards a fundamental calibration of stellar parameters of A, F, G, K dwarfs and giants. wikidata.org.
  57. [59] ↑ . High-resolution spectroscopic survey of 671 GK giants. I - Stellar atmosphere parameters and abundances. wikidata.org.
  58. [60] ↑ . A catalogue of [Fe/H] determinations: 1996 edition. wikidata.org.
  59. [61] ↑ . A catalogue of [Fe/H] determinations: 1996 edition. wikidata.org.
  60. [62] ↑ . Gaia Data Release 2. wikidata.org.
  61. [63] ↑ . Validation of the new Hipparcos reduction. wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [64] ↑ . Wikidata sitelinks. wikidata.org.
  3. [65] ↑ . Wikidata aliases. 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). 42 Librae. Retrieved October 11, 2026, from https://4ort.xyz/entity/42-librae
MLA “42 Librae.” 4ort.xyz Knowledge Graph, 4ort.xyz, 11 Oct. 2026, https://4ort.xyz/entity/42-librae.
BibTeX @misc{4ortxyz_42-librae_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{42 Librae}}, year = {2026}, url = {https://4ort.xyz/entity/42-librae}, note = {Accessed: 2026-10-11}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 42 Librae — https://4ort.xyz/entity/42-librae (retrieved 2026-10-11)

Canonical URL: https://4ort.xyz/entity/42-librae · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 1d ago · 惑星矮星 · 2026-10-11 view diff on Wikidata ↗
    Distance from earth → {'unit': 'Q12129', 'amount': '+114.7421'}, {'unit': 'Q12129', 'amount': '+121.829'}
    Instance of → infrared source, CN star, near-infrared source +1
    Absolute magnitude → {'amount': '-0.37'}
    Effective temperature → {'unit': 'Q11579', 'amount': '+4478'}, {'unit': 'Q11579', 'amount': '+4393'}, {'unit': 'Q11579', 'amount': '+4392'} +4
    + 15 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:2||1 */ Instance of: orange giant"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.