NGC 447
| Galaxy NGC 447 / IC 1656 |
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|---|---|
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| SDSS recording | |
| AladinLite | |
| Constellation | fishes |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 01 h 15 m 37.6 s |
| declination | + 33 ° 04 ′ 04.1 ″ |
| Appearance | |
| Morphological type | (R) SB (rs) 0 / a: |
| Brightness (visual) | 13.6 mag |
| Brightness (B-band) | 14.5 mag |
| Angular expansion | 2.2 ′ × 2.2 ′ |
| Surface brightness | 15.2 mag / arcmin² |
| Physical data | |
| Redshift | 0.018670 ± 0.000030 |
| Radial velocity | (5597 ± 9) km / s |
|
Stroke distance v rad / H 0 |
(257 ± 18) · 10 6 ly (78.7 ± 5.5) Mpc |
| history | |
| discovery | Heinrich d'Arrest |
| Discovery date | October 8, 1861 |
| Catalog names | |
| NGC 447 • IC 1656 • UGC 804 • PGC 4550 • CGCG 502-013 • MCG + 05-04-006 • IRAS F01128 + 3248 • 2MASX J01153760 + 3304035 • GC 250 • LEDA 4550 • LDCE 74 NED049 | |
NGC 447 = IC 1656 is a lenticular galaxy of the Hubble type SB0 / a in the constellation Pisces on the ecliptic . It is estimated to be 257 million light-years away from the Milky Way and has a diameter of around 165,000 light years . a. the galaxies NGC 443 , NGC 449 , NGC 451 , IC 1648 .
The object was discovered on October 8, 1861 by the German-Danish astronomer Heinrich Ludwig d'Arrest .
Web links
Commons : NGC 447 - collection of images, videos, and audio files
Individual evidence
Attention: The sorting key "NGC 0447" overwrites the previously used key "IC1656".