NGC 745
| Galaxy NGC 745 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Eridanus |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 01 h 54 m 08.6 s |
| declination | -56 ° 41 ′ 27 ″ |
| Appearance | |
| Morphological type | A: S0-a B: E-S0 C: C |
| Brightness (visual) | A: 12.4 mag B: 14.0 mag C: 15 mag |
| Brightness (B-band) | A: 13.3 mag B: 15.0 mag C: 16 mag |
| Angular expansion | A: 1.3 / 0.8 B: 0.7 / 0.3 likes C: 0.2 / 0.2 |
| Position angle | A: 50 ° B: 93 ° |
| Surface brightness | A: 12.3 mag B: 12.4 mag C: 11.4 mag / arcmin² mag / arcmin² |
| Physical data | |
| Redshift | 0.019925 |
| Radial velocity | 5914 km / s |
|
Stroke distance v rad / H 0 |
(259 ± 18) x 10 6 ly (79.4 ± 5.6) Mpc |
| history | |
| discovery | John Herschel |
| Discovery date | October 27, 1834 |
| Catalog names | |
| NGC 745 • PGC 7054 • ESO 152-032 • SGC 015224-5656.1 • GC 452 • h 2449 • AM 0152-565 | |
NGC 745 is a lenticular galaxy in the constellation Eridanus , which is about 259 million light years away from the Milky Way and, together with PGC 95386 and 2MASX J015407.7-564116, forms a congratulatory galaxy trio.
It was discovered on October 27, 1834 by the British astronomer John Frederick William Herschel .
Web links
- Auke Slotegraaf: NGC 745. Deep Sky Observer's Companion, accessed on February 21, 2016 (English).
- NGC 745. DSO Browser, accessed February 21, 2016 .
- SIMBAD Astronomical Database
Individual evidence