NGC 5640 is a spiral galaxy approximately 660 million light-years away from Earth in the constellation of Camelopardalis.[1] It was discovered by British astronomer William Herschel on December 20, 1797.[3]

NGC 5640
NGC 5640 (2MASS)
Observation data (J2000.0 epoch)
Constellation	Camelopardalis
Right ascension	14h 20m 40.81s [1]
Declination	+80° 07′ 23.20″ [1]
Redshift	0.047386 [1]
Helio radial velocity	14206 ± 35 km/s [1]
Distance	660 Mly[1]
Apparent magnitude (V)	14.70 [2]
Apparent magnitude (B)	15.60 [2]
Characteristics
Type	Sa [2]
Apparent size (V)	0.9 x 0.4 [2]
Other designations
PGC 51263, CGCG 353.35

Supernova SN 1996ah

Supernova SN 1996ah was discovered in NGC 5640 on June 6, 1996 by J. Mueller, who was using the 1.2-m Oschin Schmidt telescope in the course of the second Palomar Sky Survey.[4]

SN 1996ah had magnitude about 18 and was located southwest of the centre of NGC 5640 (coordinates: RA 14h20m39.020s, DEC +80d07m21.00s, J2000.0).[4][1] It was classified as type Ia supernova.[1]

See also

• Spiral galaxy
• List of NGC objects (5001–6000)
• Camelopardalis (constellation)

References

External links

Wikimedia Commons has media related to NGC 5640.

• NGC 5640 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
• SEDS

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