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 so ...
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 has a diameter of about across. ...
. , it is the densest galaxy known.
[ ]
See also
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List of most massive galaxies
References
See also
*
M59-UCD3
M59-UCD3 is an ultra-compact dwarf galaxy located near the Messier 59 galaxy
A galaxy is a Physical system, system of stars, stellar remnants, interstellar medium, interstellar gas, cosmic dust, dust, and dark matter bound together by grav ...
(second-densest galaxy known, as of 2015)
*
M60-UCD1 (another dense galaxy)
{{galaxy
Dwarf galaxies
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Coma Berenices