NGC 498
| Galaxy NGC 498 |
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|---|---|
![NGC498 & NGC499 [1] SDSS image](https://de.wikipedia.org/wiki/Datei:NGC498_-_NGC499_-_SDSS_DR14.png)
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| NGC498 & NGC499 SDSS Recording | |
| AladinLite | |
| Constellation | fishes |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 01 h 23 m 11.276 s |
| declination | + 33 ° 29 ′ 21.69 ″ |
| Appearance | |
| Morphological type | S0 |
| Brightness (visual) | 14.3 mag |
| Brightness (B-band) | 15.3 mag |
| Angular expansion | 0.5 ′ × 0.5 ′ |
| Surface brightness | 12.7 mag / arcmin² |
| Physical data | |
| Redshift | 0.020518 ± 0.000334 |
| Radial velocity | 6151 ± 100 km / s |
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Stroke distance v rad / H 0 |
(281 ± 20) x 10 6 ly (86.3 ± 6.2) Mpc |
| history | |
| discovery | RJ Mitchell |
| Discovery date | October 23, 1856 |
| Catalog names | |
| NGC 498 • PGC 5059 • MCG + 05-04-037 • 2MASX J01231129 + 3329212 • GC 283 • GALEX ASC J012311.37 + 332922.3 • WISEA J012311.26 + 332921.6 | |
NGC 498 is a lenticular galaxy of the Hubble type S0 in the constellation Pisces on the ecliptic . It is estimated to be 281 million light years from the Milky Way and about 40,000 light years in diameter.
In the same area of the sky are u. a. the galaxies NGC 495 , NGC 496 , NGC 499 , NGC 501 .
The object was discovered on October 23, 1856 by the Irish astronomer R. J. Mitchell , an assistant to William Parsons .
Web links
Commons : NGC 498 - collection of images, videos, and audio files
