Messier 98
| Galaxy Messier 98 |
|
|---|---|
|
|
| Image of the spiral galaxy Messier 98 using the New Technology Telescope | |
| AladinLite | |
| Constellation | Berenike's hair |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 12 h 13 m 48.3 s |
| declination | + 14 ° 54 ′ 01 ″ |
| Appearance | |
| Morphological type | SAB (s) ab / HII / Sy |
| Brightness (visual) | 10.1 mag |
| Brightness (B-band) | 10.9 likes |
| Angular expansion | 9.8 ′ × 2.8 ′ |
| Position angle | 155 ° |
| Surface brightness | 13.5 mag / arcmin² |
| Physical data | |
| Affiliation | Virgo Galaxy Clusters |
| Redshift | −0.000474 ± 0.000013 |
| Radial velocity | −142 ± 4 km / s |
|
Stroke distance v rad / H 0 |
(46 ± 9) x 10 6 ly (14 ± 2.9) Mpc |
| history | |
| discovery | Pierre Méchain |
| Discovery date | March 15, 1781 |
| Catalog names | |
| M 98 • NGC 4192 • UGC 7231 • PGC 39028 • CGCG 098-108 • MCG + 03-31-079 • IRAS 12112 + 1510 • VCC 92 • GC 2786 • h 1132 • | |
Messier 98 (also known as NGC 4192) is a 10.1 mag bright spiral galaxy with an area of 9.8 '× 2.8' in the constellation Haar der Berenike .
M98 is a Hubble-type Sb galaxy that we see almost from the side. It is around 50 million light years away from Earth, lies on the northern edge of the Virgo galaxy cluster and is one of the more difficult-to-find objects in the Messier catalog for amateurs . It is estimated that Messier 98 contains about one trillion stars.
discovery
The galaxy Messier 98 was discovered on March 15, 1781 by the French astronomer Pierre Méchain .
Web links
Commons : Messier 98 - collection of images, videos and audio files
- astronews.com: Picture of the day September 6, 2016
- Spektrum.de : Amateur photos [1]
Individual evidence
- ↑ a b c d e NASA / IPAC EXTRAGALACTIC DATABASE
- ↑ a b c d e SEDS : NGC 4192
- ↑ ESO: Why so blue?
- ↑ Seligman
