Arp 299

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Template:Short description Template:Infobox Galaxy

Arp 299 (parts of it also known as IC 694 and NGC 3690) is a pair of colliding galaxies approximately 134 million light-years away in the constellation Ursa Major. Both of the galaxies involved in the collision are barred irregular galaxies. NGC 3690 was discovered by German-British astronomer William Herschel on 18 March 1790.[1][2]

It is not completely clear which object is historically called IC 694. According to some sources, the small appendage more than an arcminute northwest of the main pair is actually IC 694, not the primary (eastern) companion.[3][4]

The interaction of the two galaxies in Arp 299 produced young powerful starburst regions similar to those seen in II Zw 96.[5]

Supernovae

Since 1992, fifteen supernovae have been detected in Arp 299:

Host Supernova Type Magnitude
NGC 3690 SN 1992bu[6] unknown 16.6
NGC 3690 SN 1993G[7] Type II 16.6
NGC 3690 SN 1998T[8] Type Ib 15.4
NGC 3690 SN 1999D[9] Type II 15.6
NGC 3690 SN 2018lrd[10] Type Ib 17.1
NGC 3690 AT 2018mel[11] Unknown 16.5
NGC 3690 SN 2019lqo[12] Type II 18.3
NGC 3690 SN 2020fkb[13] Type Ib 17.8
NGC 3690 SN 2022gnp[14] Type Ib 17.7
NGC 3690 SN 2023wrk[15] Type Ia 18.1
NGC 3690 SN 2024gzk[16] Type IIb 17.8
NGC 3690 SN 2024agfq[17] [[Type II supernova#Type_IIn_supernovae|typeTemplate:NbspIIn]] 19.05
IC 694 SN 2005U[18] Type II 16.2
IC 694 SN 2010O[19][20][21] Type Ib 15.6
IC 694 SN 2010P[22] Unknown 18.3

See also

References

Template:Reflist

External links

Template:NGC objects:3500-3999 Template:Ursa Major

Template:Sky

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  1. ↑ Script error: No such module "Citation/CS1".
  2. ↑ Script error: No such module "citation/CS1".
  3. ↑ Script error: No such module "citation/CS1".
  4. ↑ Script error: No such module "citation/CS1".
  5. ↑ Script error: No such module "Citation/CS1".
  6. ↑ Transient Name Server entry for SN 1992bu. Retrieved 5 November 2023.
  7. ↑ Transient Name Server entry for SN 1993G. Retrieved 5 November 2023.
  8. ↑ Transient Name Server entry for SN 1998T. Retrieved 5 November 2023.
  9. ↑ Transient Name Server entry for SN 1999D. Retrieved 5 November 2023.
  10. ↑ Transient Name Server entry for SN 2018lrd. Retrieved 8 November 2023.
  11. ↑ Transient Name Server entry for SN 2018mel. Retrieved 8 November 2023.
  12. ↑ Transient Name Server entry for SN 2019lqo. Retrieved 8 November 2023.
  13. ↑ Transient Name Server entry for SN 2020fkb. Retrieved 5 November 2023.
  14. ↑ Transient Name Server entry for SN 2022gnp. Retrieved 5 November 2023.
  15. ↑ Transient Name Server entry for SN 2023wrk. Retrieved 5 November 2023.
  16. ↑ Transient Name Server entry for SN 2024gzk. Retrieved 21 April 2024.
  17. ↑ Script error: No such module "citation/CS1".
  18. ↑ Transient Name Server entry for SN 2005U. Retrieved 5 November 2023.
  19. ↑ Transient Name Server entry for SN 2010O. Retrieved 5 November 2023.
  20. ↑ 2010O in NGC 3690 (David Bishop)
  21. ↑ Script error: No such module "Citation/CS1".
  22. ↑ Transient Name Server entry for SN 2010P. Retrieved 5 November 2023.
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