NGC 1664

NGC 1664
NGC 1664
	NGC 1664
Observation data (J2000 epoch)
Right ascension	04h 51m 06.(0)s
Declination	+43° 40′ 3(0)″
Distance	3,910 ly (1,199 pc)
Apparent magnitude (V)	7.6
Apparent dimensions (V)	18.0′
Physical characteristics
Mass	640 M☉
Other designations	C0447+436, Collinder 56, Lund 143, Melotte 27, OCL 411,Raab 19
Associations
Constellation	Auriga
	See also: Open cluster, List of open clusters

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

^ ^a ^b 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.{{citation}}: CS1 maint: unflagged free DOI (link)
^ 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.
^ ^a ^b ^c O'Meara, Steve (2007), Herschel 400 Observing Guide, Cambridge University Press, p. 22, ISBN 978-0521858939.
^ ^a ^b 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.
^ Rabb, S. (1922), "Research on open clusters", Meddelanden fran Lunds Astronomiska Observatorium Series II, 28: 3–48, Bibcode:1922MeLuS..28....3R.

External links

Media related to NGC 1664 at Wikimedia Commons
NGC 1664
NGC 1664
Image NGC 1664
NGC 1664 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images

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[MNRAS399_4_2146-1] 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.{{citation}}: CS1 maint: unflagged free DOI (link)

[aaa438_3_1163-2] 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.

[O'Meara_2007-3] O'Meara, Steve (2007), Herschel 400 Observing Guide, Cambridge University Press, p. 22, ISBN 978-0521858939.

[aa477_1_165-4] 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.

[Raab_1922-5] Rabb, S. (1922), "Research on open clusters", Meddelanden fran Lunds Astronomiska Observatorium Series II, 28: 3–48, Bibcode:1922MeLuS..28....3R.

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