NGC 4440 | |
---|---|
Observation data ( J2000 epoch) | |
Constellation | Virgo |
Right ascension | 12h 27m 53.6s [1] |
Declination | 12° 17′ 36″ [1] |
Redshift | 0.002415/724 km/s [1] |
Distance | 56,400,000 ly [2] |
Group or cluster | Virgo Cluster |
Apparent magnitude (V) | 12.70 [1] |
Characteristics | |
Type | SB(rs)a [1] |
Size | ~30,550 ly (estimated) [1] |
Apparent size (V) | 1.9 x 1.5 [1] |
Other designations | |
PGC 40927, UGC 7581, VCC 1047 [1] |
NGC 4440 is a barred spiral galaxy located about 55 million light-years away [3] in the constellation of Virgo. [4] NGC 4440 was discovered by astronomer William Herschel on April 17, 1784. [5] It is a member of the Virgo Cluster. [6]
NGC 4440 has a strong bar in its structure. Surrounding the bar, there are two very open spiral arms. [7]