Image of open cluster Pleiades also known as Messier 45
This is a list of open clusters located in the Milky Way. An open cluster is an association of up to a few thousand stars that all formed from the same giant molecular cloud. There are over 1,000 known open clusters in the Milky Way galaxy, but the actual total may be up to ten times higher.[1] The estimated half-lives of clusters, after which half the original cluster members will have been lost, range from 150 million to 800 million years, depending on the original density.[2]
↑de La Fuente, M. R. (1998). "Dynamical Evolution of Open Star Clusters". Publications of the Astronomical Society of the Pacific110 (751): 1117. doi:10.1086/316220. Bibcode: 1998PASP..110.1117D.
↑Perryman, M.A.C. (1998). "The Hyades: distance, structure, dynamics, and age". Astronomy & Astrophysics331: 81–120. Bibcode: 1998A&A...331...81P.
↑Percival, S. M.; Salaris, M.; Groenewegen, M. A. T. (2005). "The distance to the Pleiades. Main sequence fitting in the near infrared". Astronomy and Astrophysics429 (3): 887–894. doi:10.1051/0004-6361:20041694. Bibcode: 2005A&A...429..887P.
↑ 6.06.16.2Mermilliod, J.-C.; Turon, C.; Robichon, N.; Arenou, F.; Lebreton, Y. (May 13–16, 1997). "The Distance of the Pleiades and Nearby Clusters". Venice, Italy: ESA. Bibcode: 1997ESASP.402..643M.
↑Basri, Gibor; Martín, Eduardo L. (January 1999). "The Mass and Age of Very Low Mass Members of the Open Cluster alpha Persei". The Astrophysical Journal510 (1): 266–273. doi:10.1086/306564. Bibcode: 1999ApJ...510..266B.
↑Pinfield, D. J. (July 2003). "Brown dwarfs and low-mass stars in the Pleiades and Praesepe: membership and binarity". Monthly Notices of the Royal Astronomical Society342 (4): 1241–1259. doi:10.1046/j.1365-8711.2003.06630.x. Bibcode: 2003MNRAS.342.1241P.
↑van Leeuwen, F. (February 2013), "Parallaxes and proper motions for 20 open clusters as based on the new Hipparcos catalogue", Astronomy and Astrophysics497 (1): 209–242, doi:10.1051/0004-6361/200811382, Bibcode: 2009A&A...497..209V.
↑Reid, M. J. et al. (2009). "Trigonometric Parallaxes of Massive Star Forming Regions: VI. Galactic Structure, Fundamental Parameters and Non-Circular Motions". Astrophysical Journal700 (1): 137–148. doi:10.1088/0004-637X/700/1/137. Bibcode: 2009ApJ...700..137R.
↑ 22.022.1Kalirai, Jasonjot Singh; Fahlman, Gregory G.; Richer, Harvey B.; Ventura, Paolo (September 2003). "The CFHT Open Star Cluster Survey. IV. Two Rich, Young Open Star Clusters: NGC 2168 (M35) and NGC 2323 (M50)". The Astronomical Journal126 (3): 1402–1414. doi:10.1086/377320. Bibcode: 2003AJ....126.1402K.
↑Currie, Thayne (June 2009). "The Last Gasp of Gas Giant Planet Formation: A Spitzer Study of the 5 Myr Old Cluster NGC 2362". The Astrophysical Journal698 (1): 1–27. doi:10.1088/0004-637X/698/1/1. Bibcode: 2009ApJ...698....1C.
↑Bonatto, C.; Bica, E.; Santos, J. F. C. Jr. (April 2005). "Spatial dependence of 2MASS luminosity and mass functions in the old open cluster NGC 188". Astronomy and Astrophysics433 (3): 917–929. doi:10.1051/0004-6361:20041113. Bibcode: 2005A&A...433..917B.
↑Paunzen, E.; Pintado, O. I.; Maitzen, H. M. (December 2003). "CCD photometric search for peculiar stars in open clusters. V. NGC 2099, NGC 3114, NGC 6204, NGC 6705 and NGC 6756". Astronomy and Astrophysics412 (3): 721–725. doi:10.1051/0004-6361:20031065. Bibcode: 2003A&A...412..721P.
↑ 30.030.1Paunzen, E. (July 2006). "CCD photometric search for peculiar stars in open clusters. VII. Berkeley 11, Berkeley 94, Haffner 15, Lyngå 1, NGC 6031, NGC 6405, NGC 6834 and Ruprecht 130". Astronomy and Astrophysics454 (1): 171–178. doi:10.1051/0004-6361:20054628. Bibcode: 2006A&A...454..171P.
↑Kharchenko, N. V; Piskunov, A. E; Röser, S; Schilbach, E; Scholz, R.-D (2005). "Astrophysical parameters of Galactic open clusters". Astronomy and Astrophysics438 (3): 1163–1173. doi:10.1051/0004-6361:20042523. Bibcode: 2005A&A...438.1163K.
↑Frinchaboy, Peter M. (2008). "Open Clusters as Galactic Disk Tracers. I. Project Motivation, Cluster Membership, and Bulk Three-Dimensional Kinematics". The Astronomical Journal136 (1): 118–145. doi:10.1088/0004-6256/136/1/118. Bibcode: 2008AJ....136..118F. See table I, p. 12.
↑Sanner, J. (September 1999). "Photometric and kinematic studies of open star clusters. I. NGC 581 (M 103)". Astronomy and Astrophysics349: 448–456. Bibcode: 1999A&A...349..448S.
↑Carraro, G.; Costa, E. (March 2007). "Photometry of the five marginally studied open clusters Collinder 74, Berkeley 27, Haffner 8, NGC 2509, and VdB-Hagen 4". Astronomy and Astrophysics464 (2): 573–580. doi:10.1051/0004-6361:20066350. Bibcode: 2007A&A...464..573C.
↑Sujatha, S.; Babu, G. S. D. (2003). "Study of open cluster NGC 2509". Bulletin of the Astronomical Society of India31: 9–18. Bibcode: 2003BASI...31....9S.
↑Grebel, Eva K.; Chu, You-Hua (February 2000). "Hubble Space Telescope Photometry of Hodge 301: An "Old" Star Cluster in 30 Doradus". The Astronomical Journal119 (2): 787–799. doi:10.1086/301218. Bibcode: 2000AJ....119..787G.