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- Messier_37 abstract "Messier 37 (also known as M37 or NGC 2099) is the richest open cluster in the constellation Auriga. It is the brightest of three open clusters in Auriga and was discovered by the Italian astronomer Giovanni Battista Hodierna before 1654. M37 was missed by French astronomer Guillaume Le Gentil when he rediscovered M36 and M38 in 1749. French astronomer Charles Messier independently rediscovered M37 in September of 1764 but all three clusters were recorded by Hodierna. It is classified as Trumpler type I,1,r or I,2,r.M37 is located in the antipodal direction, opposite from the Galactic Center as seen from Earth. Estimates of its age range from 347 million to 550 million years. It has 1,500 times the mass of the Sun and contains over 500 identified stars, with roughly 150 stars brighter than magnitude 12.5. M37 has at least a dozen red giants and its hottest surviving main sequence star is of stellar classification B9 V. The abundance of elements other than hydrogen and helium, what astronomers term metallicity, is similar to, if not slightly higher than, the abundance in the Sun.At its estimated distance of around 4,500 light-years (1,400 parsecs) from Earth, the cluster's angular diameter of 24 arcminutes corresponds to a physical extent of about 20–25 ly (6.1–7.7 pc). The tidal radius of the cluster, where external gravitational perturbations begin to have a significant influence on the orbits of its member stars, is about 46–59 ly (14–18 pc). This cluster is following an orbit through the Milky Way with a period of 219.3 Ma and an eccentricity of 0.22. This will bring it as close as 19.6 kly (6.0 kpc) to, and as distant as 30.7 kly (9.4 kpc) from, the Galactic Center. It reaches a peak distance above the galactic plane of 0.29 kly (0.089 kpc) and will cross the plane with a period of 31.7 Ma.".
- Messier_37 thumbnail M37a.jpg?width=300.
- Messier_37 wikiPageExternalLink www.noao.edu.
- Messier_37 wikiPageExternalLink m037.html.
- Messier_37 wikiPageID "962075".
- Messier_37 wikiPageRevisionID "602279867".
- Messier_37 appmagV "6.2".
- Messier_37 caption "M37 open cluster, source: NOAO".
- Messier_37 class "I".
- Messier_37 constellation Auriga_(constellation).
- Messier_37 epoch "J2000.0".
- Messier_37 hasPhotoCollection Messier_37.
- Messier_37 massMsol "1500".
- Messier_37 name "Messier 37".
- Messier_37 names Messier_37.
- Messier_37 radiusLy "20".
- Messier_37 sizeV "24".
- Messier_37 subject Category:Auriga_(constellation).
- Messier_37 subject Category:Messier_objects.
- Messier_37 subject Category:NGC_objects.
- Messier_37 subject Category:Objects_within_10_kly_of_Earth.
- Messier_37 subject Category:Open_clusters.
- Messier_37 subject Category:Perseus_Arm.
- Messier_37 comment "Messier 37 (also known as M37 or NGC 2099) is the richest open cluster in the constellation Auriga. It is the brightest of three open clusters in Auriga and was discovered by the Italian astronomer Giovanni Battista Hodierna before 1654. M37 was missed by French astronomer Guillaume Le Gentil when he rediscovered M36 and M38 in 1749. French astronomer Charles Messier independently rediscovered M37 in September of 1764 but all three clusters were recorded by Hodierna.".
- Messier_37 label "Cúmulo abierto M37".
- Messier_37 label "M 37 (рассеянное скопление)".
- Messier_37 label "M37 (amas ouvert)".
- Messier_37 label "M37 (astronomia)".
- Messier_37 label "M37 (天体)".
- Messier_37 label "M37".
- Messier_37 label "Messier 37".
- Messier_37 label "Messier 37".
- Messier_37 label "Messier 37".
- Messier_37 label "Messier 37".
- Messier_37 label "Messier 37".
- Messier_37 label "مسييه 37".
- Messier_37 sameAs Messier_37.
- Messier_37 sameAs Messier_37.
- Messier_37 sameAs Μεσιέ_37.
- Messier_37 sameAs Cúmulo_abierto_M37.
- Messier_37 sameAs M37_(amas_ouvert).
- Messier_37 sameAs Messier_37.
- Messier_37 sameAs M37_(astronomia).
- Messier_37 sameAs M37_(天体).
- Messier_37 sameAs 메시에_37.
- Messier_37 sameAs Messier_37.
- Messier_37 sameAs Messier_37.
- Messier_37 sameAs Messier_37.
- Messier_37 sameAs m.03tpyr.
- Messier_37 sameAs Q13878.
- Messier_37 sameAs Q13878.
- Messier_37 wasDerivedFrom Messier_37?oldid=602279867.
- Messier_37 depiction M37a.jpg.
- Messier_37 isPrimaryTopicOf Messier_37.
