NGC 3717
| Galaxy NGC 3717 |
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|---|---|
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| The center of the galaxy NGC 3717 as seen with the Hubble Space Telescope | |
| AladinLite | |
| Constellation | Water snake |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 11 h 31 m 32.0 s |
| declination | -30 ° 18 ′ 28 ″ |
| Appearance | |
| Morphological type | SAb: / sp / HII |
| Brightness (visual) | 11.4 mag |
| Brightness (B-band) | 12.2 mag |
| Angular expansion | 6.2 ′ × 1 ′ |
| Position angle | 33 ° |
| Surface brightness | 13.2 mag / arcmin² |
| Physical data | |
| Redshift | 0.005781 ± 0.000013 |
| Radial velocity | 1733 ± 4 km / s |
|
Stroke distance v rad / H 0 |
(69 ± 5) · 10 6 ly (21.1 ± 1.5) Mpc |
| history | |
| discovery | John Herschel |
| Discovery date | April 29, 1834 |
| Catalog names | |
| NGC 3717 • PGC 35539 • ESO 439-015 • MCG -05-27-015 • IRAS 11290-3001 • 2MASX J11313199-3018278 • SGC 112903-3001.9 • HIPASS J1131-30 • LDCE 811 NED004 | |
NGC 3717 is a spiral galaxy with extensive star formation regions of the Hubble type Sb in the constellation Hydra south of the ecliptic . It is estimated to be 69 million light-years away from the Milky Way and has a diameter of about 130,000 ly
. a. the galaxy IC 2913 .
The object was discovered by John Herschel on April 29, 1834 .