NGC 7741
| Galaxy NGC 7741 |
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|---|---|
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| Image taken with a 32-inch telescope | |
| AladinLite | |
| Constellation | Pegasus |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 23 h 43 m 54.4 s |
| declination | + 26 ° 04 ′ 32 ″ |
| Appearance | |
| Morphological type | SB (s) cd / HII |
| Brightness (visual) | 11.0 mag |
| Brightness (B-band) | 11.7 mag |
| Angular expansion | 4.5 ′ × 2.9 ′ |
| Position angle | 170 ° |
| Surface brightness | 13.6 mag / arcmin² |
| Physical data | |
| Redshift | 0.002502 ± 0.000001 |
| Radial velocity | (750 ± 0) km / s |
|
Stroke distance v rad / H 0 |
(41 ± 3) x 10 6 ly (12.7 ± 0.9) Mpc |
| history | |
| discovery | William Herschel |
| Discovery date | September 10, 1784 |
| Catalog names | |
| NGC 7741 • UGC 12754 • PGC 72237 • CGCG 476-125 • MCG + 04-55-050 • IRAS 23413 + 2547 • KUG 2341 + 257 • 2MASX J23435437 + 2604320 • GC 5004 • H II 208 • KCPG 589B | |
NGC 7741 is a bar-spiral galaxy with extensive star formation regions of the Hubble type SBc in the constellation Pegasus in the northern sky . It is an estimated 41 million light years away from the Milky Way and has a diameter of about 50,000 ly.
In the same area of the sky are the galaxies NGC 7735 and NGC 7745 .
The object was discovered on September 10, 1784 by the German-British astronomer William Herschel .
Web links
Commons : NGC 7741 - collection of images, videos, and audio files
