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Galaxy in the constellation Camelopardalis From Wikipedia, the free encyclopedia
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 | |
---|---|
Observation data (J2000.0 epoch) | |
Constellation | Camelopardalis |
Right ascension | 14h 20m 40.81s [1] |
Declination | +80° 07′ 23.20″ [1] |
Redshift | 0.047386 [1] |
Heliocentric 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 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]
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