NGC 3177
| Galaxy NGC 3177 |
|
|---|---|
|
|
| SDSS recording | |
| AladinLite | |
| Constellation | lion |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 10 h 16 m 34.1 s |
| declination | + 21 ° 07 ′ 23 ″ |
| Appearance | |
| Morphological type | SA (rs) b / HII |
| Brightness (visual) | 12.2 mag |
| Brightness (B-band) | 13.0 likes |
| Angular expansion | 1.5 '× 1.2' |
| Position angle | 135 ° |
| Surface brightness | 12.7 mag / arcmin² |
| Physical data | |
| Affiliation |
NGC 3190 group LGG 194 |
| Redshift | 0.004343 ± 0.000017 |
| Radial velocity | 1302 ± 5 km / s |
|
Stroke distance v rad / H 0 |
(55 ± 4) · 10 6 ly (16.8 ± 1.2) Mpc |
| history | |
| discovery | William Herschel |
| Discovery date | March 12, 1784 |
| Catalog names | |
| NGC 3177 • UGC 5544 • PGC 30010 • CGCG 123-032 • MCG + 04-24-023 • IRAS 10138 + 2122 • 2MASX J10163416 + 2107223 • Mrk 9018 • GC 2047 • H III 25 • h 687 • LDCE 724 NED002 | |
NGC 3177 is a spiral galaxy with extensive star formation regions of the Hubble type Sbc in the constellation Leo north of the ecliptic . It is estimated to be 55 million light years away from the Milky Way and has a diameter of around 25,000 ly.
In the same area of the sky are the galaxies NGC 7246 and NGC 7255 .
The Type II supernova SN 1947A was observed here.
The object was discovered on March 12, 1784 by the astronomer Wilhelm Herschel with a 48 cm telescope .
High-resolution image of the center using the Hubble space telescope
Web links
Commons : NGC 3177 - collection of images, videos, and audio files
