NGC 2418
| Galaxy NGC 2418 |
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|---|---|
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| SDSS recording | |
| AladinLite | |
| Constellation | Twins |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 07 h 36 m 37.5 s |
| declination | + 17 ° 53 ′ 02 ″ |
| Appearance | |
| Morphological type | E. |
| Brightness (visual) | 12.4 mag |
| Brightness (B-band) | 13.4 mag |
| Angular expansion | 1.8 ′ × 1.8 ′ |
| Surface brightness | 13.7 mag / arcmin² |
| Physical data | |
| Redshift | 0.016802 ± 0.000003 |
| Radial velocity | 5037 ± 1 km / s |
|
Stroke distance v rad / H 0 |
(221 ± 15) x 10 6 ly (67.8 ± 4.7) Mpc |
| history | |
| discovery | Édouard Stephan |
| Discovery date | January 23, 1874 |
| Catalog names | |
| NGC 2418 • UGC 3931 • PGC 21382 • CGCG 087-017 • MCG + 03-20-008 • 2MASX J07363752 + 1753023 • Arp 165 • LDCE 511 NED004 | |
NGC 2418 = Arp 165 is an elliptical galaxy of the Hubble type E0 in the constellation Gemini on the ecliptic . It is estimated to be 221 million light-years from the Milky Way and about 120,000 light-years across.
The galaxy NGC 2411 is located in the same area of the sky .
Halton Arp organized his catalog of unusual galaxies into groups according to purely morphological criteria. This galaxy belongs to the class of diffuse filament galaxies .
The object was discovered by Édouard Stephan on January 23, 1874 .
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
Commons : NGC 2418 - collection of images, videos, and audio files
