NGC 270
| Galaxy NGC 270 |
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|---|---|
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| SDSS recording | |
| AladinLite | |
| Constellation | whale |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 00 h 50 m 32.5 s |
| declination | -08 ° 39 ′ 06 ″ |
| Appearance | |
| Morphological type | S0 + |
| Brightness (visual) | 12.9 mag |
| Brightness (B-band) | 13.8 mag |
| Angular expansion | 1.70 × 1.2 |
| Position angle | 25 ° |
| Surface brightness | 13.6 mag / arcmin² |
| Physical data | |
| Redshift | 0.012585 ± 0.000073 |
| Radial velocity | 3773 ± 22 km / s |
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Stroke distance v rad / H 0 |
(171 ± 12) · 10 6 ly (52.4 ± 3.7) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | December 10, 1798 |
| Catalog names | |
| NGC 270 • PGC 2938 • MCG -02-03-027 • IRAS F00480-0855 • 2MASX J00503252-0839057 • GC 153 • H III 955 • NSA 127822 • LDCE 47 NED002 | |
NGC 270 is a lenticular galaxy of the Hubble type S0 / a in the constellation Whale south of the celestial equator . It is estimated to be 171 million light years from the Milky Way and about 85,000 light years in diameter.
In the same area of the sky are u. a. the galaxies NGC 277 and NGC 291 .
The object was discovered on December 10, 1798 by the German-British astronomer Wilhelm Herschel .
Web links
Commons : NGC 270 - collection of images, videos, and audio files
Individual evidence