NGC 655
| Galaxy NGC 655 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | whale |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 01 h 41 m 55.147 s |
| declination | -13 ° 04 ′ 54 ″ |
| Appearance | |
| Morphological type | S0 / pec |
| Brightness (visual) | 14.0 mag |
| Brightness (B-band) | 15.0 mag |
| Angular expansion | 1.4 ′ × 0.9 ′ |
| Position angle | 78 ° |
| Surface brightness | 14.1 mag / arcmin² |
| Physical data | |
| Redshift | 0.029093 ± 0.000123 |
| Radial velocity | 8722 ± 37 km / s |
|
Stroke distance v rad / H 0 |
(390 ± 27) · 10 6 ly (119.6 ± 8.4) Mpc |
| history | |
| discovery | Ormond Stone |
| Discovery date | December 12, 1885 |
| Catalog names | |
| NGC 655 • PGC 6262 • MCG -02-05-037 • 2MASX J01415514-1304541 • GALEX ASC J014155.23-130453.3 | |
NGC 655 is a lenticular galaxy of the Hubble type S0 in the constellation Whale south of the ecliptic . It is estimated to be 390 million light years from the Milky Way and about 160,000 ly in diameter.
The Type Ia supernova SN 2010ec was observed here.
The object was discovered on December 12, 1885 by the American astronomer Ormond Stone .
Web links
- SIMBAD Astronomical Database
- Auke Slotegraaf: NGC 655. Deep Sky Observer's Companion, accessed September 7, 2015 .