NGC 4440
From Infogalactic: the planetary knowledge core
| NGC 4440 | |
|---|---|
| 250px
SDSS image of 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 | 56,425,000 ly[2] |
| Group or cluster | Virgo Cluster |
| Type | SB(rs)a[1] |
| Size (ly) | ~30,564.94 ly (estimated)[1] |
| Apparent dimensions (V) | 1.9 x 1.5[1] |
| Apparent magnitude (V) | 12.70[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]
Physical characteristics
NGC 4440 has a strong bar in its structure. Surrounding the bar, there are two very open spiral arms.[7]
See also
External links
- NGC 4440 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
References
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