Messier 15
| Messier 15 | |
|---|---|
 | |
| Observation data (J2000 epoch) | |
| Class | IV |
| Constellation | Pegasus |
| Distance | 33.6 kly (10.3 kpc) |
| Physical characteristics | |
| Other designations | NGC 7078, GCl 120 |
| See also: Globular cluster | |
Messier 15 is a globular cluster in the constellation of Pegasus. This globular cluster was discovered by Jean-Dominique Maraldi in 1746. M15 is about 33,600 lightyears from Earth, and 175 lightyears in diameter.[1] It has more than 100,000 stars, 112 variable stars and 8 pulsars. M15 also contains Pease 1, the first planetary nebula discovered in a globular cluster.[2]
References[change | change source]
- ↑ "Messier 15 on astropix". Archived from the original on 2013-01-16. Retrieved 2012-02-13.
- ↑ Cohen, J. G.; Gillett, F. C. (1989). "The peculiar planetary nebula in M22". Astrophysical Journal. 346: 803–807. Bibcode:1989ApJ...346..803C. doi:10.1086/168061. S2CID 119770028.
{{cite journal}}: CS1 maint: multiple names: authors list (link)
