NGC 4440
NGC 4440 | |
---|---|
![]() 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 | 56,400,000 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]
Physical characteristics
[edit]NGC 4440 has a strong bar in its structure. Surrounding the bar, there are two very open spiral arms.[7]
See also
[edit]References
[edit]- ^ a b c d e f g h "NASA/IPAC Extragalactic Database". Results for NGC 4440. Retrieved 2017-09-30.
- ^ "parsecs to lightyears conversion". Retrieved 2017-09-30.
- ^ "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2017-09-30.
- ^ Rojas, Sebastián García. "Galaxy NGC 4440 - Barred Spiral Galaxy in Virgo Constellation · Deep Sky Objects Browser". DSO Browser. Archived from the original on 2017-10-01. Retrieved 2017-09-30.
- ^ "New General Catalog Objects: NGC 4400 - 4449". cseligman.com. Retrieved 2017-09-30.
- ^ "Detailed Object Classifications". ned.ipac.caltech.edu. Retrieved 2017-09-30.
- ^ "NGC 4440 - SB(rs)a". The De Vaucouleurs Atlas of Galaxies. Archived from the original on 2019-03-02. Retrieved 2017-09-30.
External links
[edit]![](http://upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/30px-Commons-logo.svg.png)
Wikimedia Commons has media related to NGC 4440.
- NGC 4440 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images