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Messier 39


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Messier 39

M39atlas.jpg

2MASS image of M39.
Credit: 2MASS/NASA.

Observation data (J2000 epoch)
Constellation
Cygnus
Right ascension
21h 31m 42s
Declination
+48° 25′ ″
Distance
(326 pc (1,060 ly)[1])

Apparent magnitude (V)

+5.5[2]
Apparent dimensions (V)

29′[2]
Physical characteristics
Estimated age
278 Ma[1]
Other designations
Messier 39, NGC 7092

See also: Open cluster, List of open clusters

Messier 39 (also known as M39, or NGC 7092) is an open cluster in the constellation of Cygnus.[3] It was discovered by Charles Messier in 1764. M39 is at a distance of about 326 pc (1,060 ly)[1] from Earth whose age is estimated to be from 278 million years.[1]


It is located in the sky at Right Ascension 21h 32.2m, and Declination +48° 26′, with a total magnitude (brightness) of 5.5 and size of 29 (arcmin) across.[2] Stellar population of this loose open cluster is about 30 members.[2]



Map[edit]




Map



References[edit]





  1. ^ abcd "WEBDA page for open cluster NGC 7092". Department of Theoretical Physics and Astrophysics of the Masaryk University. Retrieved 18 February 2018..mw-parser-output cite.citation{font-style:inherit}.mw-parser-output q{quotes:"""""""'""'"}.mw-parser-output code.cs1-code{color:inherit;background:inherit;border:inherit;padding:inherit}.mw-parser-output .cs1-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-lock-limited a,.mw-parser-output .cs1-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration{color:#555}.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration span{border-bottom:1px dotted;cursor:help}.mw-parser-output .cs1-hidden-error{display:none;font-size:100%}.mw-parser-output .cs1-visible-error{font-size:100%}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-format{font-size:95%}.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-right{padding-right:0.2em}


  2. ^ abcd "WEBDA page Lynga catalogue data". Department of Theoretical Physics and Astrophysics of the Masaryk University. Retrieved 18 February 2018.


  3. ^ M39 on ScienceBlogs.com




External links[edit]



  • Messier 39, SEDS Messier pages

  • NASA Astronomy Picture of the Day: M39: Open Cluster in Cygnus (12 April 2009)



  • Messier 39 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images


Coordinates: Sky map21h 31m 08s, 48° 27′ 00″











Retrieved from "https://en.wikipedia.org/w/index.php?title=Messier_39&oldid=835776054"





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