From Wikipedia, the free encyclopedia
NGC 6861
NGC 6861
Observation data ( J2000 epoch)
Constellation Telescopium [1]
Right ascension20h 07m 19.48s [2]
Declination−48° 22′ 12.8″ [2]
Redshift0.009437 [2]
Apparent magnitude (V)11.0 [1]
Characteristics
TypeSA0^-(s): [2]
Apparent size (V)3 × 2 [1]
Other designations
IC 4949 [1]

NGC 6861 is a lenticular galaxy located in the constellation Telescopium. It is the second-brightest object in the constellation. Unlike most lenticular galaxies, which tend to be mostly devoid of both gas and dust, NGC 6861 exhibits a thick obscuring ring of dust around the nucleus where star formation is occurring. The galaxy was discovered by Scottish astronomer James Dunlop, in 1826. [3] NGC 6861 is interacting with NGC 6868, and it is predicted that they will eventually merge. [4]

References

  1. ^ a b c d "NGC 6861". dso-browser.com. Archived from the original on 22 December 2019. Retrieved 1 February 2015.
  2. ^ a b c d "NED results for object NGC 6861". ned.ipac.caltech.edu. Retrieved 1 February 2015.
  3. ^ "Hubble Views 'Third Kind' of Galaxy". nasa.gov. Retrieved 31 January 2015.
  4. ^ Machacek, M. E.; O'Sullivan, E.; Randall, S. W.; Jones, C.; Forman, W. R. (2010). "The Mysterious Merger of NGC 6868 and NGC 6861 in the Telescopium Group". The Astrophysical Journal. 711 (2): 1316–1332. arXiv: 1001.2567. Bibcode: 2010ApJ...711.1316M. doi: 10.1088/0004-637X/711/2/1316. S2CID  119114153. Retrieved 31 January 2015.
  • Media related to NGC 6861 at Wikimedia Commons


From Wikipedia, the free encyclopedia
NGC 6861
NGC 6861
Observation data ( J2000 epoch)
Constellation Telescopium [1]
Right ascension20h 07m 19.48s [2]
Declination−48° 22′ 12.8″ [2]
Redshift0.009437 [2]
Apparent magnitude (V)11.0 [1]
Characteristics
TypeSA0^-(s): [2]
Apparent size (V)3 × 2 [1]
Other designations
IC 4949 [1]

NGC 6861 is a lenticular galaxy located in the constellation Telescopium. It is the second-brightest object in the constellation. Unlike most lenticular galaxies, which tend to be mostly devoid of both gas and dust, NGC 6861 exhibits a thick obscuring ring of dust around the nucleus where star formation is occurring. The galaxy was discovered by Scottish astronomer James Dunlop, in 1826. [3] NGC 6861 is interacting with NGC 6868, and it is predicted that they will eventually merge. [4]

References

  1. ^ a b c d "NGC 6861". dso-browser.com. Archived from the original on 22 December 2019. Retrieved 1 February 2015.
  2. ^ a b c d "NED results for object NGC 6861". ned.ipac.caltech.edu. Retrieved 1 February 2015.
  3. ^ "Hubble Views 'Third Kind' of Galaxy". nasa.gov. Retrieved 31 January 2015.
  4. ^ Machacek, M. E.; O'Sullivan, E.; Randall, S. W.; Jones, C.; Forman, W. R. (2010). "The Mysterious Merger of NGC 6868 and NGC 6861 in the Telescopium Group". The Astrophysical Journal. 711 (2): 1316–1332. arXiv: 1001.2567. Bibcode: 2010ApJ...711.1316M. doi: 10.1088/0004-637X/711/2/1316. S2CID  119114153. Retrieved 31 January 2015.
  • Media related to NGC 6861 at Wikimedia Commons



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