NGC 7734
| Galaxy NGC 7734 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Toucan |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 23 h 42 m 42.9 s |
| declination | -65 ° 56 ′ 41 ″ |
| Appearance | |
| Morphological type | (R ') SB (rs) b |
| Brightness (visual) | 13.1 mag |
| Brightness (B-band) | 13.9 likes |
| Angular expansion | 1.4 '× 1.2' |
| Position angle | 119 ° |
| Surface brightness | 13.5 mag / arcmin² |
| Physical data | |
| Redshift | 0.035271 ± 0.000060 |
| Radial velocity | 10,574 ± 18 km / s |
|
Stroke distance v rad / H 0 |
(467 ± 33) · 10 6 ly (143.3 ± 10.0) Mpc |
| history | |
| discovery | John Herschel |
| Discovery date | November 2, 1834 |
| Catalog names | |
| NGC 7734 • PGC 72183 • ESO 110-023 • 2MASX J23424291-6556405 • SGC 233957-6613.3 • SUMSS J234242-655648 | |
NGC 7734 is a barred spiral galaxy of the Hubble type SBb in the constellation Toucan in the southern sky . It is estimated to be 467 million light years from the Milky Way and about 195,000 ly in diameter. Together with NGC 7733 , it forms an interacting pair of galaxies.
The object was discovered by John Herschel on November 2, 1834 .