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]

NGC 1664
NGC 1664
Observation data (J2000 epoch)
ConstellationAuriga[1]
Right ascension 04h 51m 06.(0)s[2]
Declination+43° 40 3(0)[2]
Distance3,910 ly (1,199 pc)[3]
Apparent magnitude (V)7.6[1]
Apparent dimensions (V)18.0′[1]
Physical characteristics
Mass640[4] M
Other designationsC0447+436, Collinder 56, Lund 143, Melotte 27, OCL 411, Raab 19
Map showing the location of NGC 1664

References

  1. O'Meara, Steve (2007), Herschel 400 Observing Guide, Cambridge University Press, p. 22, ISBN 978-0521858939.
  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:0909.3737, 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/0501674. Bibcode:2005A&A...438.1163K. doi:10.1051/0004-6361:20042523.
  4. 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.


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