Markarian 509

Seyfert 1 galaxy in the constellation Aquarius
Thing astronomical_object Q11770328
Press Enter · cited answer in seconds

Markarian 509

Summary

Markarian 509 is an astronomical object[1].

Key Facts

  • Markarian 509's instance of is recorded as astronomical object[2].
  • Markarian 509's instance of is recorded as Seyfert 1 galaxy[3].
  • Markarian 509's constellation is recorded as Aquarius[4].
  • Markarian 509's galaxy morphological type is recorded as S0a[5].
  • Markarian 509's catalog code is recorded as [KRL2007b] 378[6].
  • Markarian 509's catalog code is recorded as 2MASX J20440975-1043245[7].
  • Markarian 509's catalog code is recorded as 1H 2041-108[8].
  • Markarian 509's catalog code is recorded as 1XRS 20407-115[9].
  • Markarian 509's catalog code is recorded as 2A 2040-115[10].
  • Markarian 509's catalog code is recorded as 2MASS J20440975-1043246[11].
  • Markarian 509's catalog code is recorded as 2MASSI J2044097-104324[12].
  • Markarian 509's catalog code is recorded as 3A 2041-107[13].
  • Markarian 509's catalog code is recorded as AAVSO 2038-11[14].
  • Markarian 509's catalog code is recorded as H 2041-107[15].
  • Markarian 509's catalog code is recorded as H 2041-109[16].
  • Markarian 509's catalog code is recorded as INTREF 1037[17].
  • Markarian 509's catalog code is recorded as IRAS 20414-1054[18].
  • Markarian 509's catalog code is recorded as IRAS F20414-1054[19].
  • Markarian 509's catalog code is recorded as LEDA 65282[20].
  • Markarian 509's catalog code is recorded as Mrk 509[21].
  • Markarian 509's catalog code is recorded as QDOT B2041258-105419[22].
  • Markarian 509's catalog code is recorded as QSO B2041-1054[23].
  • Markarian 509's catalog code is recorded as QSO B2041-109[24].
  • Markarian 509's catalog code is recorded as RX J204409-10435[25].
  • Markarian 509's catalog code is recorded as XSS J20441-1042[26].

References

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

Direct Wikidata claims

  1. [2] . wikidata.org.
  2. [3] . SIMBAD. wikidata.org.
  3. [4] . wikidata.org.
  4. [5] . Masses and accretion rates of supermassive black holes in active galactic nuclei from the INTEGRAL survey. 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] . SIMBAD. wikidata.org.
  18. [19] . SIMBAD. wikidata.org.
  19. [20] . SIMBAD. wikidata.org.
  20. [21] . SIMBAD. wikidata.org.
  21. [22] . SIMBAD. wikidata.org.
  22. [23] . SIMBAD. wikidata.org.
  23. [24] . SIMBAD. wikidata.org.
  24. [25] . SIMBAD. wikidata.org.
  25. [26] . SIMBAD. 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). Markarian 509. Retrieved May 3, 2026, from https://4ort.xyz/entity/markarian-509
MLA “Markarian 509.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/markarian-509.
BibTeX @misc{4ortxyz_markarian-509_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Markarian 509}}, year = {2026}, url = {https://4ort.xyz/entity/markarian-509}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Markarian 509 — https://4ort.xyz/entity/markarian-509 (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/markarian-509 · Last refreshed: