NGC 7640
NGC 7640 is a barred spiral galaxy in the constellation of Andromeda. There is evidence that this galaxy has experienced an interaction with another galaxy in the (astronomically) recent past.[2]
| NGC 7640 | |
|---|---|
![]() NGC 7640 (photographed by the Hubble Space Telescope  | |
| Observation data (J2000 epoch) | |
| Constellation | Andromeda | 
| Right ascension | 23h 22m 06.58s[1] | 
| Declination | +40° 50′ 43.5″[1] | 
| Redshift | 0.001231 ± 0.000004[1] | 
| Helio radial velocity | +369 ± 1 km/s[1] | 
| Distance | 29.72 ± 0.5 Mly[1] | 
| Apparent magnitude (V) | 11.1 | 
| Absolute magnitude (V) | 11.86[1] | 
| Characteristics | |
| Type | SB(s)c | 
| Apparent size (V) | 10.5′ × 2′[1] | 
| Other designations | |
| NGC 7640 | |
It is not immediately obvious this is a spiral galaxy from the photograph because it is edge on.[2]
References
    
- "NASA/IPAC Extragalactic Database". Results for NGC 7640. Retrieved 2017-02-13.
 - "NASA TV". Hubble Sees Spiral in Andromeda. 2017-02-10. Retrieved 2017-02-13.
 
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