Messier 39

Messier 39
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

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

Map

References

  1. 1 2 3 4 "WEBDA page for open cluster NGC 7092". Department of Theoretical Physics and Astrophysics of the Masaryk University. Retrieved 18 February 2018.
  2. 1 2 3 4 "WEBDA page Lynga catalogue data". Department of Theoretical Physics and Astrophysics of the Masaryk University. Retrieved 18 February 2018.
  3. ↑ M39 on ScienceBlogs.com

Coordinates: 21h 31m 08s, 48° 27′ 00″

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