NGC 673
| Galaxy NGC 673 |
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|---|---|
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| SDSS recording | |
| AladinLite | |
| Constellation | Aries |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 01 h 48 m 22.4 s |
| declination | + 11 ° 31 ′ 17 ″ |
| Appearance | |
| Morphological type | SAB (s) c |
| Brightness (visual) | 12.5 mag |
| Brightness (B-band) | 13.2 mag |
| Angular expansion | 2.1 ′ × 1.7 ′ |
| Position angle | 0 ° |
| Surface brightness | 13.7 mag / arcmin² |
| Physical data | |
| Affiliation | LGG 31 |
| Redshift | 0.017285 ± 0.000017 |
| Radial velocity | 5182 ± 5 km / s |
|
Stroke distance v rad / H 0 |
(235 ± 16) x 10 6 ly (72.1 ± 5.0) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | September 4, 1786 |
| Catalog names | |
| NGC 673 • UGC 1259 • PGC 6624 • CGCG 437-030 • MCG + 02-05-033 • IRAS 01457 + 1116 • 2MASX J01482246 + 1131176 • GC 397 • H II 589 • GALEXASC J014822.49 + 113118.2 • LDCE 107 NED008 | |
NGC 673 is a spiral galaxy of Hubble type Sc in the constellation Aries on the ecliptic . It is estimated to be 235 million light years from the Milky Way and about 145,000 light years across.
The galaxy NGC 683 is located in the same area of the sky .
The supernovae SN 1996bo ( Type Ia ) and SN 2001fa (Type IIn) were observed here.
The object was discovered on September 4, 1786 by the German-British astronomer Wilhelm Herschel .
Web links
Commons : NGC 673 - collection of images, videos, and audio files
- SIMBAD Astronomical Database
- Auke Slotegraaf: NGC 673. Deep Sky Observer's Companion, accessed on September 15, 2015 .