NGC 303
| Galaxy NGC 303 |
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|---|---|
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| AladinLite | |
| Constellation | whale |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 00 h 54 m 54.7 s |
| declination | -16 ° 39 ′ 17 ″ |
| Appearance | |
| Morphological type | S0: / pec / HII |
| Brightness (visual) | 14.3 mag |
| Brightness (B-band) | 15.2 mag |
| Angular expansion | 0.6 ′ × 0.4 ′ |
| Position angle | 158 ° |
| Surface brightness | 12.5 mag / arcmin² |
| Physical data | |
| Redshift | 0.032489 ± 0.000150 |
| Radial velocity | 9740 ± 45 km / s |
|
Stroke distance v rad / H 0 |
(436 ± 31) · 10 6 ly (133.8 ± 9.4) Mpc |
| history | |
| discovery | Francis P. Leavenworth |
| Discovery date | 1886 |
| Catalog names | |
| NGC 303 • PGC 3240 • IRAS F00524-1655 • 2MASX J00545443-1639126 • SGC 0052.4-1656 • NVSS J005454-163919 | |
NGC 303 is a lenticular galaxy with extensive Hubble-type S0 star formation regions in the constellation Whale. It is estimated to be 436 million light years away and has a diameter of around 90,000 ly.
In the same area of the sky are the galaxies NGC 333 and IC 1604 .
The object was discovered in 1886 by the American astronomer Francis Preserved Leavenworth .
Web links
Individual evidence