NGC 517
| Galaxy NGC 517 |
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|---|---|
![NGC 517 with NGC 515 (o) & IC 1691 (r) [1] SDSS image](https://de.wikipedia.org/wiki/Datei:NGC_0517_SDSS.jpg)
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| NGC 517 with NGC 515 (o) & IC 1691 (r) SDSS image | |
| AladinLite | |
| Constellation | fishes |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 01 h 24 m 43.80 s |
| declination | + 33 ° 25 ′ 46.0 ″ |
| Appearance | |
| Morphological type | S0 |
| Brightness (visual) | 12.5 mag |
| Brightness (B-band) | 13.5 likes |
| Angular expansion | 1.40 × 0.5 |
| Position angle | 20 ° |
| Surface brightness | 12.0 mag / arcmin² |
| Physical data | |
| Affiliation | WBL 38 NGC 499 group NGC 507 group LGG 24 |
| Redshift | 0.014023 ± 0.000060 |
| Radial velocity | 4204 ± 18 km / s |
|
Stroke distance v rad / H 0 |
(194 ± 14) · 10 6 ly (59.6 ± 4.2) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | September 13, 1784 |
| Catalog names | |
| NGC 517 • UGC 960 • PGC 5214 • CGCG 502-079 • MCG + 05-04-054 • 2MASX J01244381 + 3325465 • VV 36a • GC 301 • H III 168 • h 114 • GALEX ASC J012443.79 + 332548.0 • LDCE 74 NED079 • WISEA J012443.81 + 332546.8 | |
NGC 517 is a lenticular galaxy of the Hubble type S0 in the constellation Pisces on the ecliptic . It is estimated to be 194 million light years from the Milky Way and about 80,000 light years in diameter. Together with five other galaxies, it forms the NGC 499 group ( LGG 24 ).
In the same area of the sky are u. a. the galaxies NGC 510 , NGC 515 , IC 1691 , IC 1692 .
The object was discovered on September 13, 1784 by the German-British astronomer Wilhelm Herschel .
Web links
Commons : NGC 517 - collection of images, videos, and audio files
