NGC 1664

Open cluster in the constellation Auriga
NGC 1664
NGC 1664
Observation data (J2000 epoch)
Right ascension04h 51m 06.(0)s[1]
Declination+43° 40′ 3(0)″[1]
Distance4,200 ± 150 ly (1,289 ± 47 pc)[2]
Apparent magnitude (V)7.6[3]
Apparent dimensions (V)18.0′[3]
Physical characteristics
Mass640[4] M☉
Other designationsC0447+436, Collinder 56, Lund 143, Melotte 27, OCL 411, Raab 19 [5]
Associations
ConstellationAuriga[3]
See also: Open cluster, List of open clusters
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]

NGC 1664 is a somewhat young cluster, with an age of 675 ± 50 Myr, and is dynamically relaxed.[2] It is located some 4,200 light-years away, or about 1.3 kpc.[2] Born outside of the solar circle, it orbits the center of the Milky Way every 244 million years.[2]

References

  1. ^ 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, S2CID 6066790.
  2. ^ a b c d Koç, Seliz; Yontan, Talar; Bilir, Selçuk; Canbay, Remziye; Ak, Tansel; Banks, Timothy; Ak, Serap; Paunzen, Ernst (2022). "A Photometric and Astrometric Study of the Open Clusters NGC 1664 and NGC 6939". The Astronomical Journal. 163 (4): 191. arXiv:2202.11126. Bibcode:2022AJ....163..191K. doi:10.3847/1538-3881/ac58a0. S2CID 247058424.
  3. ^ a b c O'Meara, Steve (2007), Herschel 400 Observing Guide, Cambridge University Press, p. 22, ISBN 978-0521858939.
  4. ^ 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.
  5. ^ 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[permanent dead link]
  • 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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Collinder
  • Collinder 52
  • Collinder 53
  • Collinder 54
  • Collinder 55
  • Collinder 56
  • Collinder 57
  • Collinder 58
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