Messier 107
Globular cluster in Ophiuchus / From Wikipedia, the free encyclopedia
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Messier 107 or M107, also known as NGC 6171 or the Crucifix Cluster, is a very loose globular cluster in a very mildly southern part of the sky close to the equator in Ophiuchus, and is the last such object in the Messier Catalogue.
Quick Facts Observation data (J2000 epoch), Class ...
Messier 107 | |
---|---|
Observation data (J2000 epoch) | |
Class | X[1] |
Right ascension | 16h 32m 31.86s[2] |
Declination | –13° 03′ 13.6″[2] |
Distance | 20.9 kly (6.4 kpc)[3] |
Apparent magnitude (V) | 7.9[4] |
Apparent dimensions (V) | 10′[5] |
Physical characteristics | |
Mass | 1.82×105[3] M☉ |
Radius | 30 ly[6] |
Metallicity | = –0.95[7] dex |
Estimated age | 13.95 Gyr[7] |
Other designations | C 1629-129, GCl 44, M 107, NGC 6171[8] |
See also: Globular cluster, List of globular clusters |
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