NGC 7397
| Galaxy NGC 7397 |
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|---|---|
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| SDSS recording | |
| AladinLite | |
| Constellation | fishes |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 22 h 52 m 46.7 s |
| declination | + 01 ° 07 ′ 58 ″ |
| Appearance | |
| Morphological type | SB (rs) 0 / a |
| Brightness (visual) | 14.4 mag |
| Brightness (B-band) | 15.3 mag |
| Angular expansion | 0.7 '× 0.5' |
| Position angle | 159 ° |
| Surface brightness | 13.1 mag / arcmin² |
| Physical data | |
| Redshift | 0.015881 ± 0.000040 |
| Radial velocity | 4761 ± 12 km / s |
|
Stroke distance v rad / H 0 |
(219 ± 15) x 10 6 ly (67.1 ± 4.7) Mpc |
| history | |
| discovery | RJ Mitchell |
| Discovery date | October 2, 1856 |
| Catalog names | |
| NGC 7397 • PGC 69904 • CGCG 379-011 • MCG + 00-58-008 • 2MASX J22524672 + 0107579 • LDCE 1541 NED002 | |
NGC 7397 is a lenticular galaxy of the Hubble type SB0 / a in the constellation Pisces on the ecliptic . It is estimated to be 219 million light years away from the Milky Way and has a diameter of about 45,000 ly. In the same area of the sky there are u. a. the galaxies NGC 7396 , NGC 7398 , NGC 7401 , NGC 7402 .
The object was discovered by RJ Mitchell on October 2, 1856 .