NGC 5640

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)
ConstellationCamelopardalis
Right ascension 14h 20m 40.81s [1]
Declination+80° 07′ 23.20″ [1]
Redshift0.047386 [1]
Helio radial velocity14206 ± 35 km/s [1]
Distance660 Mly [1]
Apparent magnitude (V)14.70 [2]
Apparent magnitude (B)15.60 [2]
Characteristics
TypeSa [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]

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See also

References
  1. "NASA/IPAC Extragalactic Database". ned.ipac.caltech.edu. Retrieved December 3, 2017.
  2. "Revised NGC Data for NGC 5640". spider.seds.org. Retrieved December 3, 2017.
  3. "Data for NGC 5640". www.astronomy-mall.com. Retrieved December 9, 2017.
  4. "Central Bureau for Astronomical Telegrams". www.cbat.eps.harvard.edu. Retrieved December 3, 2017.


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