Twin Quasar

gravitationally lensed quasar
Thing quasar Q1330935
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Twin Quasar

Summary

Twin Quasar is a quasar[1]. It ranks in the top 3% of quasar entities by monthly Wikipedia readership (137 views/month).[2]

Key Facts

  • Twin Quasar is credited with the discovery of Dennis Walsh[3].
  • Twin Quasar is credited with the discovery of Robert F. Carswell[4].
  • Twin Quasar is credited with the discovery of Ray J. Weymann[5].
  • Twin Quasar's image is recorded as Twin Quasar 300.jpg[6].
  • Twin Quasar's instance of is recorded as quasar[7].
  • Twin Quasar's instance of is recorded as strong gravitational lensing[8].
  • Twin Quasar's instance of is recorded as astronomical radio source[9].
  • Twin Quasar's instance of is recorded as infrared source[10].
  • Twin Quasar's instance of is recorded as astrophysical X-ray source[11].
  • Twin Quasar's constellation is recorded as Ursa Major[12].
  • Twin Quasar's site of astronomical discovery is recorded as Kitt Peak National Observatory[13].
  • Twin Quasar's Commons category is recorded as Twin Quasar[14].
  • Twin Quasar's catalog code is recorded as QSO J1001+5553[15].
  • Twin Quasar's catalog code is recorded as QSO B0957+561[16].
  • Twin Quasar's catalog code is recorded as 1RXS J100121.5+555351[17].
  • Twin Quasar's catalog code is recorded as 6C 095757+560821[18].
  • Twin Quasar's catalog code is recorded as 7C 095757.60+560823.00[19].
  • Twin Quasar's catalog code is recorded as 8C 0958+561[20].
  • Twin Quasar's catalog code is recorded as FIRST J100121.1+555357[21].
  • Twin Quasar's catalog code is recorded as NVSS J100121+555355[22].
  • Twin Quasar's catalog code is recorded as QSO B0956+56A[23].
  • Twin Quasar's catalog code is recorded as QSO B0957+5608A[24].
  • Twin Quasar's catalog code is recorded as QSO B0957+561A[25].
  • Twin Quasar's catalog code is recorded as QSO J1001+5553A[26].
  • Twin Quasar's catalog code is recorded as SDSS J100120.68+555355.9[27].

Body

Works and Contributions

Credited discoveries include Dennis Walsh[3], an astronomer[28], 1933–2005[29], of United Kingdom[30]; Robert F. Carswell[4], an astronomer[31], b. 1940[32], of United Kingdom[33]; and Ray J. Weymann[5], an astrophysicist[34], b. 1935[35], of United States[36].

Why It Matters

Twin Quasar ranks in the top 3% of quasar entities by monthly Wikipedia readership (137 views/month).[2] It has Wikipedia articles in 15 language editions, a strong signal of global cultural recognition.[37] It is known by 29 alternative names across languages and contexts.[38]

References

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

Direct Wikidata claims

  1. [6] . wikidata.org.
  2. [7] . SIMBAD. wikidata.org.
  3. [8] . wikidata.org.
  4. [9] . SIMBAD. wikidata.org.
  5. [10] . SIMBAD. wikidata.org.
  6. [11] . SIMBAD. wikidata.org.
  7. [12] . VizieR. wikidata.org.
  8. [3] . wikidata.org.
  9. [4] . wikidata.org.
  10. [5] . wikidata.org.
  11. [13] . 0957+561 A, B: twin quasistellar objects or gravitational lens?. wikidata.org.
  12. [14] . 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] . SIMBAD. wikidata.org.
  24. [26] . SIMBAD. wikidata.org.
  25. [27] . SIMBAD. wikidata.org.

Inline context (facts about related entities)

  1. [28] . Wikidata. wikidata.org. → on this site
  2. [29] . Wikidata. wikidata.org. → on this site
  3. [30] . Wikidata. wikidata.org. → on this site
  4. [31] . Wikidata. wikidata.org. → on this site
  5. [32] . Wikidata. wikidata.org. → on this site
  6. [33] . Wikidata. wikidata.org. → on this site
  7. [34] . Wikidata. wikidata.org. → on this site
  8. [35] . Wikidata. wikidata.org. → on this site
  9. [36] . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [37] . Wikidata sitelinks. wikidata.org.
  3. [38] . 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). Twin Quasar. Retrieved May 3, 2026, from https://4ort.xyz/entity/twin-quasar
MLA “Twin Quasar.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/twin-quasar.
BibTeX @misc{4ortxyz_twin-quasar_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Twin Quasar}}, year = {2026}, url = {https://4ort.xyz/entity/twin-quasar}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Twin Quasar — https://4ort.xyz/entity/twin-quasar (retrieved 2026-05-03)

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