NGC 434
| Galaxy NGC 434 |
|
|---|---|
![NGC 434, NGC 440 & PGC 4344 (KTS 8) [1]](https://de.wikipedia.org/wiki/Datei:NGC_0434_DSS.jpg)
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| NGC 434, NGC 440 & PGC 4344 (KTS 8) | |
| AladinLite | |
| Constellation | Toucan |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 01 h 12 m 14.13 s |
| declination | -58 ° 14 ′ 52.7 ″ |
| Appearance | |
| Morphological type | (R_1R'_2) SAB (s:) a |
| Brightness (visual) | 12.0 mag |
| Brightness (B-band) | 12.8 mag |
| Angular expansion | 2.2 ′ × 1.2 ′ |
| Position angle | 6 ° |
| Surface brightness | 12.9 mag / arcmin² |
| Physical data | |
| Affiliation | NGC 434 group LGG 19 |
| Redshift | 0.016228 ± 0.000387 |
| Radial velocity | 4826 ± 116 km / s |
|
Stroke distance v rad / H 0 |
(215 ± 15) x 10 6 ly (65.9 ± 4.6) Mpc |
| history | |
| discovery | John Herschel |
| Discovery date | October 28, 1834 |
| Catalog names | |
| NGC 434 • PGC 4325 • ESO 113-023 • 2MASX J01121411-5814525 • SGC 011013-5830.7 • GC 243 • h 2392 • GALEX ASC J011213.98-581450.4 • LDCE 73 NED002 • KTS 8A | |
NGC 434 is a bar-spiral galaxy of the Hubble type SBab in the constellation Toucan in the southern sky . It is estimated to be 215 million light years from the Milky Way and about 75,000 light years across. Together with PGC 4344 it forms a bound galaxy pair and with NGC 440 the trio KTS 8 . The galaxy is part of the 10-member NGC 434 group (LGG 19).
The object was discovered on October 28, 1834 by the British astronomer John Herschel .
NGC 434 group ( LGG 19 )
| Galaxy | Alternative name | Distance / million Lj |
|---|---|---|
| NGC 434 | PGC 4325 | 215 |
| NGC 440 | PGC 4361 | 219 |
| NGC 466 | PGC 4632 | 230 |
| NGC 484 | PGC 4764 | 223 |
| IC 1649 | PGC 4298 | 234 |
| PGC 4228 | ESO 151-027 | 232 |
| PGC 4344 | NGC 434A | 211 |
| PGC 4435 | ESO 113-027 | 214 |
| PGC 6030 | ESO 114-001 | 237 |
| PGC 4700 | ESO 113-035 | 221 |
Web links
Commons : NGC 434 - collection of images, videos, and audio files
