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physical object > natural object > celestial body > collection of stars > star cluster > globular cluster > class I globular cluster > M 75 |
M 75 (NGC 6864) | ||||
subject | fact |
M 75 | has apparent magnitude 8.5 (V) | |
has diameter 6.0 arc min | ||
is a part of Sagittarius | ||
is a part of halo | ||
has Messier number 75 | ||
has distance 57.7 kly | ||
has reference NED, SIMBAD | ||
has synonym NGC 6864 | ||
has discovery date 1780 | ||
has discoverer Pierre Mechain | ||
has image | ||
is an instance of class I globular cluster | ||
is an instance of Messier object | ||
Messier object | has apparent dimension | |
is a part of celestial sphere | ||
has catalog Messier catalog | ||
has purpose originally to catalog all objects which could be confused with a comet | ||
celestial body | has spectra | |
globular cluster | has orbit elongated, around the galactic center | |
is a part of halo | ||
has age oldest stellar formation in the Galaxy | ||
has number of stars 105 to 106 | ||
has spectra low abundances of heavy elements | ||
has velocity very high | ||
has mass 104 to 106 Msun | ||
has location most are in the halo some are members of the thick disk | ||
physical object | has angular momentum | |
has momentum | ||
has temperature | ||
has volume | ||
has extent | ||
has material |