NGC 2744
| Galaxy NGC 2744 |
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|---|---|
![NGC 2744 with LEDA 200248 [1] (lower part of the galaxy)](https://de.wikipedia.org/wiki/Datei:NGC2744_-_SDSS_DR14.jpg)
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| NGC 2744 with LEDA 200248 ( lower part of the galaxy ) | |
| AladinLite | |
| Constellation | cancer |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 09 h 04 m 38.9 s |
| declination | + 18 ° 27 ′ 37 ″ |
| Appearance | |
| Morphological type | SB (s) from: / pec |
| Brightness (visual) | 13.1 mag |
| Brightness (B-band) | 13.9 likes |
| Angular expansion | 1.6 ′ × 1.2 ′ |
| Position angle | 120 ° |
| Surface brightness | 13.7 mag / arcmin² |
| Physical data | |
| Affiliation | LGG 166 insulated |
| Redshift | 0.011421 ± 0.000017 |
| Radial velocity | (3424 ± 5) km / s |
|
Stroke distance v rad / H 0 |
(149 ± 10) · 10 6 ly (45.6 ± 3.2) Mpc |
| history | |
| discovery | William Herschel |
| Discovery date | March 21, 1784 |
| Catalog names | |
| NGC 2744 • UGC 4757 • PGC 25480 • CGCG 090-065 • MCG + 03-23-031 • IRAS 09018 + 1839 • 2MASX J09043901 + 1827521 • VV 612 • GC 1752 • H III 60 • h 551 • | |
NGC 2744 is a merging bar-spiral galaxy of the Hubble-type SBb / P in the constellation Cancer on the ecliptic . It is estimated to be 149 million light years from the Milky Way and about 70,000 light years in diameter.
In the same area of the sky are the galaxies NGC 2745 , NGC 2747 , NGC 2749 , NGC 2752 , among others .
The object was discovered by Wilhelm Herschel on March 21, 1784 .