Messier 39
| Messier 39 | |
|---|---|
 | |
| Observation data (J2000 epoch) | |
| 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 |
| Associations | |
| Constellation | Cygnus |
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
References
- ^ a b c d "WEBDA page for open cluster NGC 7092". Department of Theoretical Physics and Astrophysics of the Masaryk University. Retrieved 18 February 2018.
- ^ a b c d "WEBDA page Lynga catalogue data". Department of Theoretical Physics and Astrophysics of the Masaryk University. Retrieved 18 February 2018.
- ^ M39 on ScienceBlogs.com
External links
- 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
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