NGC 4440

NGC 4440
SDSS image of NGC 4440
Observation data (J2000 epoch)
Constellation	Virgo
Right ascension	12^h 27^m 53.6^s[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

NGC 4440 has a strong bar in its structure. Surrounding the bar, there are two very open spiral arms.^[7]

See also

• List of NGC objects (4001–5000)

References

1. "NASA/IPAC Extragalactic Database". Results for NGC 4440. Retrieved 2017-09-30.
2. "parsecs to lightyears conversion". Retrieved 2017-09-30.
3. "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2017-09-30.
4. 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.
5. "New General Catalog Objects: NGC 4400 - 4449". cseligman.com. Retrieved 2017-09-30.
6. "Detailed Object Classifications". ned.ipac.caltech.edu. Retrieved 2017-09-30.
7. "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

• NGC 4440 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images