NGC 1797
| Galaxy NGC 1797 |
|
|---|---|
![NGC 1797 & NGC 1799 [1]](https://de.wikipedia.org/wiki/Datei:NGC_1797_DSS.jpg)
|
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| NGC 1797 & NGC 1799 | |
| AladinLite | |
| Constellation | Eridanus |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 05 h 07 m 44.88 s |
| declination | -08 ° 01 ′ 08.7 ″ |
| Appearance | |
| Morphological type | (R ') SB (rs) a / pec / HII |
| Brightness (visual) | 13.5 likes |
| Brightness (B-band) | 14.4 mag |
| Angular expansion | 1.6 ′ × 1 ′ |
| Position angle | 90 ° |
| Surface brightness | 13.9 mag / arcmin² |
| Physical data | |
| Redshift | 0.014867 ± 0.000150 |
| Radial velocity | 4457 ± 45 km / s |
|
Stroke distance v rad / H 0 |
(194 ± 14) · 10 6 ly (59.6 ± 4.2) Mpc |
| history | |
| discovery | Lewis Swift |
| Discovery date | February 13, 1887 |
| Catalog names | |
| NGC 1797 • PGC 016781 • MCG -01-14-002 • IRAS 05053-0805 • 2MASX J05074488-0801085 • Mrk 1093 • NVSS J050744-080109 • WISEA J050744.86-080108.6 | |
NGC 1797 is a spiral galaxy of the Hubble type Sa with extensive star formation areas in the constellation Eridanus in the southern sky . It is estimated to be 194 million light years from the Milky Way and about 95,000 light years across. Presumably it forms a gravitationally bound galaxy pair with NGC 1799 .
The object was discovered by Lewis Swift on February 13, 1887 .