NGC 2169
(Redirected from Collinder 38)
| NGC 2169 | |
|---|---|
 Image showing the 37 asterism. | |
| Observation data (J2000 epoch) | |
| Right ascension | 06h 8.4m |
| Declination | +13° 57′ |
| Distance | 3.6 kly |
| Apparent magnitude (V) | 5.9[1] |
| Apparent dimensions (V) | 6′[1] |
| Physical characteristics | |
| Other designations | 37 Cluster, Cr 38/83 |
| Associations | |
| Constellation | Orion[1] |
NGC 2169 is an open cluster of stars in the Constellation of Orion.[1] It was possibly discovered by Giovanni Batista Hodierna before 1654 and independently discovered by William Herschel on October 15, 1784.[2] NGC 2169 is at a distance of about 3,600 light years away from Earth. It is nicknamed "The '37' Cluster" due to its striking resemblance to the numerals "37".[3] The cluster is composed of components Collinder 38, a I3pn open cluster,[4] and Collinder 83, a III3m open cluster.
References
[edit]- 1 2 3 4 Finlay, Warren H. (2014). Concise Catalogue of Deep-Sky Objects. The Patrick Moore Practical Astronomy Series (2nd ed.). Springer Cham. p. 192. doi:10.1007/978-3-319-03170-5. ISBN 978-3-319-03169-9.
- ↑ O'Meara, Stephen James (2007). Deep Sky Companions: Hidden Treasures. Cambridge University Press. p. 180. ISBN 9780521837040.
- ↑ "Orion Constellation". Constellation Guide. Retrieved 2014-03-03.
- ↑ "Collinder 38". Backyard Astronomy for Amateur Astronomers. Archived from the original on 2016-04-14. Retrieved 2014-03-03.
External links
[edit]
Media related to NGC 2169 at Wikimedia Commons- SEDS entry
- NASA Astronomy Picture of the Day: The 37 Cluster (18 November 2005)
- NGC 2169 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
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