NGC 243
| Galaxy NGC 243 |
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|---|---|
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| SDSS recording | |
| AladinLite | |
| Constellation | Andromeda |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 00 h 46 m 00.9 s |
| declination | + 29 ° 57 ′ 34 ″ |
| Appearance | |
| Morphological type | S0? |
| Brightness (visual) | 13.7 mag |
| Brightness (B-band) | 14.6 mag |
| Angular expansion | 0.9 ′ × 0.4 ′ |
| Position angle | 149 ° |
| Surface brightness | 12.4 mag / arcmin² |
| Physical data | |
| Affiliation | NGC 266 group NGC 315 group LGG 14 |
| Redshift | 0.015968 ± 0.000033 |
| Radial velocity | 4787 ± 10 km / s |
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Stroke distance v rad / H 0 |
(221 ± 15) x 10 6 ly (67.7 ± 4.7) Mpc |
| history | |
| discovery | Édouard Stephan |
| Discovery date | October 18, 1881 |
| Catalog names | |
| NGC 243 • PGC 2687 • CGCG 500-082 • 501-001 • MCG + 05-02-043 • 2MASX J00460086 + 2957340 • GALEX ASC J004600.83 + 295736.5 • LDCE 39 NED010 | |
NGC 243 is a galaxy of Hubble type S? in the constellation Andromeda in the northern sky . It is an estimated 221 million light years from the Milky Way and about 60,000 light years across.
The galaxies NGC 233 and IC 43 are located in the same area of the sky .
The object was discovered on October 18, 1881 by the French astronomer Édouard Jean-Marie Stephan .
Web links
Individual evidence