M85-HCC1 is an ultracompact
dwarf galaxy
A dwarf galaxy is a small galaxy composed of about 1000 up to several billion stars, as compared to the Milky Way's 200–400 billion stars. The Large Magellanic Cloud, which closely orbits the Milky Way and contains over 30 billion stars, is ...
with a star density 1,000,000 times that of the solar neighbourhood,
lying near the galaxy
Messier 85
Messier 85 (also known as M85 or NGC 4382 or PGC 40515 or ISD 0135852) is a lenticular galaxy, or elliptical galaxy for other authors,
in the Coma Berenices constellation. It is 60 million light-years away, and it is estimated to be 125,000 light ...
. , it is the densest galaxy known.
[ ]
See also
*
List of most massive galaxies
References
See also
*
M59-UCD3
M59-UCD3 is an Dwarf galaxy#Ultra-compact dwarfs, ultra-compact dwarf galaxy located near the Messier 59 galaxy. , it is the second-densest galaxy currently observed, second to M85-HCC1.
References
See also
* M60-UCD1 (densest galaxy known, ...
(second-densest galaxy known, as of 2015)
*
M60-UCD1
M60-UCD1 is an ultracompact dwarf galaxy. It is 54 million light years from Earth, close to Messier 60 (M60, NGC 4649) in the Virgo Cluster. Half of its stellar mass is in the central sphere 160 light years in diameter.
Characteristics
M60-U ...
(another dense galaxy)
{{galaxy
Dwarf galaxies
20150727
Coma Berenices