Cloverleaf quasar

rare example of a quadruply-lensed quasar
Thing quasar Q3245196
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Summary

Cloverleaf quasar is a quasar[1]. It draws 145 Wikipedia views per month (quasar category, ranking #8 of 36).[2]

Key Facts

  • Cloverleaf quasar's instance of is recorded as quasar[3].
  • Cloverleaf quasar's instance of is recorded as astrophysical X-ray source[4].
  • Cloverleaf quasar's instance of is recorded as infrared source[5].
  • Cloverleaf quasar's constellation is recorded as Boötes[6].
  • Cloverleaf quasar's Commons category is recorded as Cloverleaf quasar[7].
  • Cloverleaf quasar's catalog code is recorded as QSO J1415+1129[8].
  • Cloverleaf quasar's catalog code is recorded as QSO B1413+1143[9].
  • Cloverleaf quasar's catalog code is recorded as 2MASS J14154625+1129434[10].
  • Cloverleaf quasar's catalog code is recorded as QSO B1413+117[11].
  • Cloverleaf quasar's catalog code is recorded as SDSS J141546.24+112943.4[12].
  • Cloverleaf quasar's catalog code is recorded as 3XMM J141546.2+112943[13].
  • Cloverleaf quasar's catalog code is recorded as [VV96] J141546.3+112944[14].
  • Cloverleaf quasar's redshift is recorded as {'amount': '+2.56027'}[15].
  • Cloverleaf quasar's redshift is recorded as {'amount': '+2.5549'}[16].
  • Cloverleaf quasar's redshift is recorded as {'amount': '+2.542'}[17].
  • Cloverleaf quasar's redshift is recorded as {'amount': '+2.551'}[18].
  • Cloverleaf quasar's redshift is recorded as {'amount': '+2.48732'}[19].
  • Cloverleaf quasar's redshift is recorded as {'amount': '+2.558200'}[20].
  • Cloverleaf quasar's redshift is recorded as {'amount': '+2.51969'}[21].
  • Cloverleaf quasar's apparent magnitude is recorded as {'amount': '+17.63'}[22].
  • Cloverleaf quasar's apparent magnitude is recorded as {'amount': '+17.23'}[23].
  • Cloverleaf quasar's apparent magnitude is recorded as {'amount': '+16.322'}[24].
  • Cloverleaf quasar's apparent magnitude is recorded as {'amount': '+16.125'}[25].
  • Cloverleaf quasar's apparent magnitude is recorded as {'amount': '+15.851'}[26].
  • Cloverleaf quasar's apparent magnitude is recorded as {'amount': '+18.137'}[27].

Body

Definition and Type

Recorded instance of include quasar[3], astrophysical X-ray source[4], and infrared source[5].

Why It Matters

Cloverleaf quasar draws 145 Wikipedia views per month (quasar category, ranking #8 of 36).[2] It has Wikipedia articles in 6 language editions, a strong signal of global cultural recognition.[28] It is known by 9 alternative names across languages and contexts.[29]

References

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

Direct Wikidata claims

  1. [3] ↑ . SIMBAD. wikidata.org.
  2. [4] ↑ . SIMBAD. wikidata.org.
  3. [5] ↑ . SIMBAD. wikidata.org.
  4. [6] ↑ . VizieR. wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . SIMBAD. wikidata.org.
  7. [9] ↑ . SIMBAD. wikidata.org.
  8. [10] ↑ . SIMBAD. wikidata.org.
  9. [11] ↑ . SIMBAD. wikidata.org.
  10. [12] ↑ . SIMBAD. wikidata.org.
  11. [13] ↑ . SIMBAD. wikidata.org.
  12. [14] ↑ . SIMBAD. wikidata.org.
  13. [15] ↑ . The SDSS Photometric Catalog, Release 7. wikidata.org.
  14. [16] ↑ . A strong redshift dependence of the broad absorption line quasar fraction. wikidata.org.
  15. [17] ↑ . Evidence for very large-scale coherent orientations of quasar polarization vectors. wikidata.org.
  16. [18] ↑ . A Study of Quasar Absorption-Line Systems With IRAS. wikidata.org.
  17. [19] ↑ . A spectroscopic survey of the fields of 28 strong gravitational lenses. wikidata.org.
  18. [20] ↑ . Resolution and kinematics of molecular gas surrounding the cloverleaf quasar at z = 2.6 using the gravitational lens. wikidata.org.
  19. [21] ↑ . SIMBAD. wikidata.org.
  20. [22] ↑ . A catalogue of quasars and active nuclei: 13th edition. wikidata.org.
  21. [23] ↑ . A catalogue of quasars and active nuclei: 13th edition. wikidata.org.
  22. [24] ↑ . Mean spectral energy distributions and bolometric corrections for luminous quasars. wikidata.org.
  23. [25] ↑ . Mean spectral energy distributions and bolometric corrections for luminous quasars. wikidata.org.
  24. [26] ↑ . Mean spectral energy distributions and bolometric corrections for luminous quasars. wikidata.org.
  25. [27] ↑ . SIMBAD. wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [28] ↑ . Wikidata sitelinks. wikidata.org.
  3. [29] ↑ . 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). Cloverleaf quasar. Retrieved October 17, 2026, from https://4ort.xyz/entity/cloverleaf-quasar
MLA “Cloverleaf quasar.” 4ort.xyz Knowledge Graph, 4ort.xyz, 17 Oct. 2026, https://4ort.xyz/entity/cloverleaf-quasar.
BibTeX @misc{4ortxyz_cloverleaf-quasar_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Cloverleaf quasar}}, year = {2026}, url = {https://4ort.xyz/entity/cloverleaf-quasar}, note = {Accessed: 2026-10-17}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Cloverleaf quasar — https://4ort.xyz/entity/cloverleaf-quasar (retrieved 2026-10-17)

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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. 11d ago · Ghuron · 2026-10-06 view diff on Wikidata ↗
    Simbad id → [HMT84] 1413+117
    Wikipedia languages → ['commons', 'en', 'es', 'fr', 'ja', 'pt', 'simple', 'vi']
    Image → Coverleaf Quasar HST ACS+HRC.png
    Instance of → quasar, astrophysical X-ray source, infrared source
    + 1 other property edited (see Wikidata diff for full list)
    "/* wbsetclaim-update:2||1 */ Simbad id: [HMT84] 1413+117, was QSO J1415+1129"
  2. 14w ago · Huntster · 2026-07-05 view diff on Wikidata ↗
    Radial velocity → {'unit': 'Q3674704', 'amount': '+255008'}
    Aliases → —
    Right ascension → {'unit': 'Q28390', 'amount': '+213.942708'}
    Epoch → J2000.0
    + 6 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update:2||1 */ Instance of: quasar"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.