NGC 3198
| Galaxy NGC 3198 |
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|---|---|
.jpg)
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| SDSS recording | |
| AladinLite | |
| Constellation | Big Bear |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 10 h 19 m 54.9 s |
| declination | + 45 ° 32 ′ 59 ″ |
| Appearance | |
| Morphological type | SB (rs) c / HII |
| Brightness (visual) | 10.2 mag |
| Brightness (B-band) | 10.9 likes |
| Angular expansion | 8.5 ′ × 3.3 ′ |
| Position angle | 35 ° |
| Surface brightness | 13.7 mag / arcmin² |
| Physical data | |
| Redshift | 0.002202 ± 0.000001 |
| Radial velocity | (660 ± 1) km / s |
|
Stroke distance v rad / H 0 |
(30 ± 2) x 10 6 ly (9.33 ± 0.65) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | January 15, 1788 |
| Catalog names | |
| NGC 3198 • UGC 5572 • PGC 30197 • CGCG 240-030 • MCG + 08-19-020 • 2MASX J10195499 + 4532588 • GC 2066 • H I 199 • h 695 • | |
NGC 3198 is a barred spiral galaxy of the Hubble type SBc in the constellation Great Bear in the northern sky , which is an estimated 30 million light years from the Milky Way .
The object was discovered on January 15, 1788 by the German-British astronomer Wilhelm Herschel .
With the help of space telescopes, it was recorded in spectral ranges that are not visible on Earth.
Ultraviolet image of the galaxy NGC 3198 using GALEX .
The galaxy NGC 3198 imaged in infrared by the Spitzer Space Telescope .
Web links
- SIMBAD Astronomical Database
- Spektrum.de : Amateur recordings [1] [2]