Q84457921

quasar in the constellation Serpens
Thing quasar Q84457921
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Q84457921

Summary

Q84457921 is a quasar[1].

Key Facts

  • Q84457921's instance of is recorded as quasar[2].
  • Q84457921's constellation is recorded as Serpens[3].
  • Q84457921's catalog code is recorded as SDSS J152858.17+081833.1[4].
  • Q84457921's catalog code is recorded as [VV2010] J152858.2+081832[5].
  • Q84457921's catalog code is recorded as Gaia DR2 1164550798575762304[6].
  • Q84457921's redshift is recorded as {'unit': '1', 'amount': '+0.81596'}[7].
  • Q84457921's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.519'}[8].
  • Q84457921's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.35'}[9].
  • Q84457921's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.03'}[10].
  • Q84457921's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.27'}[11].
  • Q84457921's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.23'}[12].
  • Q84457921's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.01'}[13].
  • Q84457921's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.058'}[14].
  • Q84457921's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.715'}[15].
  • Q84457921's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.765'}[16].
  • Q84457921's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.647'}[17].
  • Q84457921's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.6047'}[18].
  • Q84457921's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+160280'}[19].
  • Q84457921's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+102'}[20].
  • Q84457921's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+232.24241290253810'}[21].
  • Q84457921's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+8.30921150344510'}[22].
  • Q84457921's epoch is recorded as J2000.0[23].
  • Q84457921's effective temperature is recorded as {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+8000'}[24].
  • Q84457921's effective temperature is recorded as {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+10427'}[25].
  • Q84457921's surface gravity is recorded as {'unit': 'http://www.wikidata.org/entity/Q39699418', 'amount': '+760000000'}[26].

Body

Definition and Type

Q84457921's instance of is recorded as quasar[2].

References

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

Direct Wikidata claims

  1. [2] . SIMBAD. wikidata.org.
  2. [3] . wikidata.org.
  3. [4] . SIMBAD. wikidata.org.
  4. [5] . SIMBAD. wikidata.org.
  5. [6] . SIMBAD. wikidata.org.
  6. [7] . The SDSS Photometric Catalog, Release 9. wikidata.org.
  7. [8] . The SDSS Photometric Catalog, Release 9. wikidata.org.
  8. [9] . DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.
  9. [10] . DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.
  10. [11] . DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.
  11. [12] . A catalogue of quasars and active nuclei: 13th edition. wikidata.org.
  12. [13] . A catalogue of quasars and active nuclei: 13th edition. wikidata.org.
  13. [14] . The SDSS Photometric Catalog, Release 9. wikidata.org.
  14. [15] . The SDSS Photometric Catalog, Release 9. wikidata.org.
  15. [16] . The SDSS Photometric Catalog, Release 7. wikidata.org.
  16. [17] . The SDSS Photometric Catalog, Release 7. wikidata.org.
  17. [18] . Gaia Data Release 2. wikidata.org.
  18. [19] . The SDSS Photometric Catalog, Release 9. wikidata.org.
  19. [20] . DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.
  20. [21] . Gaia Data Release 2. wikidata.org.
  21. [22] . Gaia Data Release 2. wikidata.org.
  22. [23] . Gaia Data Release 2. wikidata.org.
  23. [24] . DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.
  24. [25] . DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.
  25. [26] . DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. 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). Q84457921. Retrieved May 7, 2026, from https://4ort.xyz/entity/q84457921
MLA “Q84457921.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q84457921.
BibTeX @misc{4ortxyz_q84457921_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q84457921}}, year = {2026}, url = {https://4ort.xyz/entity/q84457921}, note = {Accessed: 2026-05-07}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q84457921 — https://4ort.xyz/entity/q84457921 (retrieved 2026-05-07)

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