NGC 5417
| Galaxy NGC 5417 |
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|---|---|
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| SDSS recording | |
| AladinLite | |
| Constellation | Bear keeper |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 14 h 02 m 13.0 s |
| declination | + 08 ° 02 ′ 14 ″ |
| Appearance | |
| Morphological type | Sat |
| Brightness (visual) | 12.9 mag |
| Brightness (B-band) | 13.8 mag |
| Angular expansion | 1.5 ′ × 0.6 ′ |
| Position angle | 120 ° |
| Surface brightness | 12.6 mag / arcmin² |
| Physical data | |
| Affiliation | LGG 368 |
| Redshift | 0.016275 +/- 0.000032 |
| Radial velocity | (4879 +/- 10) km / s |
|
Stroke distance v rad / H 0 |
(218 ± 15) x 10 6 ly (66.7 ± 4.7) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | January 23, 1784 |
| Catalog names | |
| NGC 5417 • UGC 8943 • PGC 49995 • CGCG 046-039 • MCG + 01-36-015 • GC 3746 • H III 11 • h 1730 • LDCE 1022 NED002 | |
NGC 5417 is a 12.9 likes bright spiral galaxy of Hubble type Sa in the constellation Bootes and 218 million light-years from the Milky Way center.
It was discovered on January 23, 1784 by Wilhelm Herschel with an 18.7-inch reflector telescope, who marked it with “vF, stellar ... a neb. star, extremely obscure or faint ”.