NGC 5172
| Galaxy NGC 5172 |
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|---|---|
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| SDSS recording | |
| AladinLite | |
| Constellation | Berenike's hair |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 13 h 29 m 19.3 s |
| declination | + 17 ° 03 ′ 07 ″ |
| Appearance | |
| Morphological type | SBbc |
| Brightness (visual) | 11.9 likes |
| Brightness (B-band) | 12.6 mag |
| Angular expansion | 3.4 ′ × 1.8 ′ |
| Position angle | 103 ° |
| Surface brightness | 13.6 mag / arcmin² |
| Physical data | |
| Redshift | 0.013443 ± 0.000003 |
| Radial velocity | 4030 ± 1 km / s |
|
Stroke distance v rad / H 0 |
(180 ± 13) x 10 6 ly (55.1 ± 3.9) Mpc |
| history | |
| discovery | John Herschel |
| Discovery date | May 7, 1826 |
| Catalog names | |
| NGC 5172 • UGC 8477 • PGC 47330 • CGCG 101-057 • MCG + 03-34-041 • IRAS 13268 + 1718 • 2MASX J13291914 + 1703061 • GC 3558 • h 1613 • GALEX MSC J132919.52 + 170305.4 | |
NGC 5172 is an 11.8 mag bright bar spiral galaxy of the Hubble type SBbc in the constellation Haar der Berenike in the northern sky . It is estimated to be 180 million light-years from the Milky Way and about 95,000 light-years across.
In the same area of the sky are u. a. the galaxies NGC 5151 , NGC 5158 , NGC 5180 , IC 894 .
The supernovae SN 1998cc (Type-Ib) and SN 2001R (Type-IIP) were observed here.
The object was discovered by John Herschel on May 7, 1826 .
Web links
- NGC 5172. SIMBAD, accessed July 6, 2015 .
- NGC 5172. DSO Browser, accessed July 6, 2015 .
- Auke Slotegraaf: NGC 5172. Deep Sky Observer's Companion, accessed July 6, 2015 .