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EntityQ1112378· pop 29· linked from 494 articles

galaxy

Key facts

Constellation
Coma Berenices
Right ascension
12 34 50.9
Declination
15 ° 33 ′ 06 ″
Heliocentric radial velocity
1291 km/s
Distance
64 Mly
Group or cluster
Virgo Cluster
Type
SAB(rs)cd, Sy1
Size
~39,120 ly (estimated)
Apparent size v
1.9 x 1.5

via Wikipedia infobox

~1 min read

Encyclopedic overview

NGC 4540 is a spiral galaxy with type 1 Seyfert activity located about 64 million light-years away in the constellation Coma Berenices. NGC 4540 was discovered by astronomer William Herschel on March 21, 1784 and is a member of the Virgo Cluster.

See also

Excerpted from Wikipedia’s “Q1112378” article, available under the CC BY-SA 4.0 licence.