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.
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