NGC 1664

NGC 1664

NGC 1664
Observation data (J2000 epoch)
Constellation Auriga[1]
Right ascension 04h 51m 06.(0)s[2]
Declination +43° 40 3(0)[2]
Distance 3,910 ly (1,199 pc)[3]
Apparent magnitude (V) 7.6[1]
Apparent dimensions (V) 18.0′[1]
Physical characteristics
Mass 640[4] M
Other designations C0447+436, Collinder 56, Lund 143, Melotte 27, OCL 411, Raab 19
Map showing the location of NGC 1664

NGC 1664 is an open cluster in the constellation of Auriga. It contains stars with a total of around 640 solar masses with a tidal radius of 43 ly (13.2 pc).[4]

References

  1. 1 2 3 O'Meara, Steve (2007), Herschel 400 Observing Guide, Cambridge University Press, p. 22, ISBN 0521858933.
  2. 1 2 Wu, Zhen-Yu; et al. (November 2009), "The orbits of open clusters in the Galaxy", Monthly Notices of the Royal Astronomical Society, 399 (4): 2146–2164, arXiv:0909.3737Freely accessible, Bibcode:2009MNRAS.399.2146W, doi:10.1111/j.1365-2966.2009.15416.x.
  3. Kharchenko, N. V.; et al. (August 2005). "Astrophysical parameters of Galactic open clusters". Astronomy and Astrophysics. 438 (3): 1163–1173. arXiv:astro-ph/0501674Freely accessible. Bibcode:2005A&A...438.1163K. doi:10.1051/0004-6361:20042523.
  4. 1 2 Piskunov, A. E.; et al. (January 2008), "Tidal radii and masses of open clusters", Astronomy and Astrophysics, 477 (1): 165−172, Bibcode:2008A&A...477..165P, doi:10.1051/0004-6361:20078525.

Coordinates: 04h 51m 07.1s, +43° 40′ 33″


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