NGC 1728
| Galaxy NGC 1728 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Eridanus |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 04 h 59 m 27.7 s |
| declination | -11 ° 07 ′ 23 ″ |
| Appearance | |
| Morphological type | Sa / pec / sp |
| Brightness (visual) | 13.9 likes |
| Brightness (B-band) | 14.8 mag |
| Angular expansion | 2 ′ × 0.7 ′ |
| Position angle | 177 ° |
| Surface brightness | 14.1 mag / arcmin² |
| Physical data | |
| Affiliation | NGC 1721 group LGG 124 |
| Redshift | 0.012552 ± 0.000037 |
| Radial velocity | (3763 ± 11) km / s |
|
Stroke distance v rad / H 0 |
(163 ± 11) · 10 6 ly (50.0 ± 3.5) Mpc |
| history | |
| discovery | Edward Emerson Barnard |
| Discovery date | November 10, 1885 |
| Catalog names | |
| NGC 1728 • PGC 16495 • MCG -02-13-030 • 2MASX J04592771-1107224 • VV 699 NED03 • LDCE 354 NED011 • KTS 28C | |
NGC 1728 is a spiral galaxy of Hubble type Sa in the constellation Eridanus at the southern sky . It is an estimated 163 million light years from the Milky Way and about 95,000 light years across. Together with NGC 1721 and NGC 1725 , it forms the isolated galaxy trio KTS 28 .
In the same area of the sky is u. a. the galaxy NGC 1723 .
The object was discovered on November 10, 1885 by Edward Emerson Barnard .
Web links
Commons : NGC 1728 - Collection of Images
