NGC 653
Galaxy NGC 653 |
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AladinLite | |
Constellation | Andromeda |
Position equinox : J2000.0 , epoch : J2000.0 |
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Right ascension | 01 h 42 m 25.7 s |
declination | + 35 ° 38 ′ 18 ″ |
Appearance | |
Morphological type | Sab |
Brightness (visual) | 13.5 likes |
Brightness (B-band) | 14.3 mag |
Angular expansion | 1.5 ′ × 0.2 ′ |
Position angle | 39 ° |
Surface brightness | 12.0 mag / arcmin² |
Physical data | |
Redshift | 0.018239 ± 0.000047 |
Radial velocity | 5468 ± 14 km / s |
Stroke distance v rad / H 0 |
(250 ± 18) x 10 6 ly (76.8 ± 5.4) Mpc |
history | |
discovery | Édouard Stephan |
Discovery date | November 29, 1883 |
Catalog names | |
NGC 653 • UGC 1193 • PGC 6290 • CGCG 521-070 • MCG + 06-04-058 • 2MASX J01422571 + 3538180 • GALEX ASC J014225.84 + 353819.0 • LDCE 74 NED097 |
NGC 653 is a spiral galaxy of Hubble type Sab in the constellation Andromeda on the northern sky . It is estimated to be 250 million light-years from the Milky Way and about 110,000 light years in diameter.
The object was discovered on November 29, 1883 by the French astronomer Édouard Jean-Marie Stephan .
Web links
- SIMBAD Astronomical Database
- Auke Slotegraaf: NGC 653. Deep Sky Observer's Companion, accessed September 7, 2015 .