IC 1745
| Galaxy IC 1745 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | whale |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 01 h 52 m 59.1 s |
| declination | -16 ° 40 ′ 08 ″ |
| Appearance | |
| Morphological type | S. |
| Brightness (visual) | 15.4 mag |
| Brightness (B-band) | 16.2 mag |
| Angular expansion | 0.50 '× 0.3' |
| Position angle | 130 ° |
| Surface brightness | 13.2 mag / arcmin² |
| Physical data | |
| Redshift | 0.039938 ± 0.000150 |
| Radial velocity | 11,973 ± 45 km / s |
|
Stroke distance v rad / H 0 |
(535 ± 38) · 10 6 Lj (163.9 ± 11.5) Mpc |
| history | |
| discovery | Herbert A. Howe |
| Discovery date | January 1, 1900 |
| Catalog names | |
| IC 1745 • PGC 174317 • 2MASX J01525903-1640090 • NSA 130615 | |
IC 1745 is a spiral galaxy of Hubble type S in the constellation Cetus south of the ecliptic . It is an estimated 535 million light years from the Milky Way and about 80,000 light years in diameter.
In the same area of the sky are u. a. the galaxies NGC 725 , NGC 734 , NGC 756 , IC 1741 .
The object was discovered on January 1st, 1900 by Herbert Alonzo Howe .