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The astronomical catalogue is composed mainly of star clusters, nebulae, and galaxies. Other objects in the catalogue can be found in the other subpages of the list of NGC objects . The constellation information in these tables is from The Complete New General Catalogue and Index Catalogue of Nebulae and Star Clusters by J. L. E. Dreyer , [ 1 ...
Galaxy color–magnitude diagram – Chart depicting the relationship between brightness and mass of large star systems Hayashi track – Luminosity–temperature relationship in stars Henyey track – path taken by pre-main-sequence stars in the Hertzsprung–Russell diagram Pages displaying wikidata descriptions as a fallback
The regions with higher density of stars are shown; these correspond with known star clusters (Hyades and Coma Berenices) and moving groups. This is a list of nearby stellar associations and moving groups. A stellar association is a very loose star cluster, looser than an open cluster. A moving group is the remnant of such a stellar association ...
Globular cluster: Nearest globular cluster to the Earth. Also the first globular cluster known to have exoplanets (PSR B1620-26b) Messier 12: 74.4 [28] Messier 70: 68 [29] NGC 290: 66 [30] Open cluster: Messier 28: 60 [31] Globular cluster: Messier 18: 52.4 [32] Open cluster: The following notable star clusters are listed for the purpose of ...
One of the first uses of an isochrone method to date an open cluster was by Demarque and Larson in 1963. [3] If the initial mass function of the open cluster is known, isochrones can be calculated at any age by taking every star in the initial population, using numerical simulations to evolve it forwards to the desired age, and plotting the ...
The cluster lies between the constellation Crux and the larger but fainter "False Cross" asterism. The 4th-magnitude Cepheid variable star x Carinae appears near the southeast fringes, but it lies between the Sun and the cluster and is not a member of the cluster. The cluster was first catalogued by Nicolas Louis de Lacaille in 1752. [18]
See also: Open cluster, List of open clusters NGC 457 (also designated Caldwell 13 , and known as the Dragonfly Cluster , E.T. Cluster , Owl Cluster , Kachina Doll Cluster or Phi Cassiopeiae Cluster ) [ 2 ] is an open star cluster in the constellation Cassiopeia .
NGC 206 is the richest and most conspicuous star cloud in the Andromeda Galaxy, and is one of the largest and brightest star-forming regions in the Local Group. [2] It contains more than 300 stars brighter than M b =−3.6. [3] It was originally identified by Edwin Hubble as a star cluster but today, due to its size, it is classified as an OB ...
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