NGC 3718
| Galaxy NGC 3718 |
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|---|---|
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| SDSS , angle of view 13.2 '× 13.2' | |
| AladinLite | |
| Constellation | Big Bear |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 11 h 32 m 34.8 s |
| declination | + 53 ° 04 ′ 05 ″ |
| Appearance | |
| Morphological type | SB (s) a / pec / Sy1 / LINER |
| Brightness (visual) | 10.6 mag |
| Brightness (B-band) | 11.6 mag |
| Angular expansion | 8.1 ′ × 4 ′ |
| Position angle | 15 ° |
| Surface brightness | 14.2 mag / arcmin² |
| Physical data | |
| Affiliation |
UMa cluster LGG 241 |
| Redshift | 0.003312 ± 0.000003 |
| Radial velocity | (993 ± 1) km / s |
|
Stroke distance v rad / H 0 |
(47 ± 3) x 10 6 ly (14.5 ± 1.0) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | April 12, 1789 |
| Catalog names | |
| NGC 3718 • UGC 6524 • PGC 35616 • CGCG 268-048 • MCG + 9-19-114 • IRAS 11298 + 5320 • 2MASX J11323494 + 5304041 • Arp 214 • GC 2443 • H I 221 • h 908 • GALEX MSC J113235.05 +530407.4 • LDCE 867 NED023 | |
NGC 3718 = Arp 214 is a bar-spiral galaxy with an active galaxy core of the Hubble type SBa / P in the constellation Great Bear in the northern sky . It is estimated to be 47 million light years from the Milky Way and about 110,000 light years in diameter.
Halton Arp organized his catalog of unusual galaxies into groups according to purely morphological criteria. This galaxy belongs to the class galaxies with irregularities, absorption and resolution . In the same area of the sky is u. a. the galaxy NGC 3729 .
The object was discovered by Wilhelm Herschel on April 12, 1789 .
literature
- Jeff Kanipe and Dennis Webb: The Arp Atlas of Peculiar Galaxies - A Chronicle and Observer's Guide , Richmond 2006, ISBN 978-0-943396-76-7
Web links
- SIMBAD Astronomical Database
- Recording with 20 "Cassegrain
- Arp Atlas of Peculiar Galaxies
- Seligman Arp
- Spektrum.de : Amateur recordings [1] [2] [3]