A field galaxy is a
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 gravity. The word is derived from the Ancient Greek, Greek ' (), literally 'milky', ...
that does not belong to a larger
galaxy group or cluster and hence is
gravitationally alone.
Roughly 80% of all galaxies located within
of the
Milky Way
The Milky Way or Milky Way Galaxy is the galaxy that includes the Solar System, with the name describing the #Appearance, galaxy's appearance from Earth: a hazy band of light seen in the night sky formed from stars in other arms of the galax ...
are in groups or clusters of galaxies. Most
low-surface-brightness galaxies are field galaxies.
["An Introduction to Galaxies and Cosmology", ''David J. Adams and others''] The
median
The median of a set of numbers is the value separating the higher half from the lower half of a Sample (statistics), data sample, a statistical population, population, or a probability distribution. For a data set, it may be thought of as the “ ...
Hubble-type of field galaxies is Sb, a type of
spiral galaxy
Spiral galaxies form a galaxy morphological classification, class of galaxy originally described by Edwin Hubble in his 1936 work ''The Realm of the Nebulae'' .
[
]
List of field galaxies
A list of nearby relatively bright field galaxies within the Local Volume, about
See also
* Void galaxy
Further reading
*
References
{{Galaxy
Large-scale structure of the cosmos