NGC 3697 is a spiral galaxy in the constellation of Leo.[2] It was discovered on 24 February 1827 by John Herschel.[4] It was described as "extremely faint, very small, extended 90°" by John Louis Emil Dreyer, the compiler of the New General Catalogue.[4] It is a member of HCG 53, a compact group of galaxies.[3]
| NGC 3697 | |
|---|---|
 NGC 3697 by SDSS | |
| Observation data (J2000 epoch) | |
| Constellation | Leo |
| Right ascension | 11h 28m 50.380s[1] |
| Declination | +20° 47′ 42.61″[1] |
| Redshift | 0.020884[2] |
| Heliocentric radial velocity | 6261 km/s[2] |
| Distance | 291.57 ± 24.07 Mly (89.395 ± 7.379 Mpc)[2] |
| Group or cluster | HCG 53[3] |
| Apparent magnitude (V) | 12.62[2] |
| Apparent magnitude (B) | 14.1[3] |
| Characteristics | |
| Type | SABb[2] |
| Size | 212,000 ly (65,010 pc)[2][note 1] |
| Apparent size (V) | 2.5′ × 0.7′[2][note 1] |
| Other designations | |
| UGC 6479, MGC+04-27-042, PGC 35347[3] | |
One supernova, SN 2020aavb (type Ia, mag. 16), was discovered in NGC 3697 on 23 November, 2020.[5]
References
Notes
External links
Media related to NGC 3697 at Wikimedia Commons
