NGC 1664 Open cluster in the constellation Auriga
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] [ 2] solar circle , it orbits the center of the Milky Way every 244 million years.[ 2]
References
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 :0909.3737 Bibcode :2009MNRAS.399.2146W , doi :10.1111/j.1365-2966.2009.15416.x S2CID 6066790 . 1 2 3 4 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 . 1 2 3 O'Meara, Steve (2007), Herschel 400 Observing Guide Cambridge University Press , p. 22, ISBN 978-0521858939 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 ↑ 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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