NGC 6478
| Galaxy NGC 6478 |
|
|---|---|
![NGC 6478 with LEDA 214638 (l) [1] SDSS image](https://de.wikipedia.org/wiki/Datei:NGC6478_-_SDSS_DR14.jpg)
|
|
| NGC 6478 with LEDA 214638 (l) SDSS image | |
| AladinLite | |
| Constellation | Dragon |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 17 h 48 m 38.38.35 s |
| declination | + 51 ° 09 ′ 26.1 ″ |
| Appearance | |
| Morphological type | SAc: |
| Brightness (visual) | 13.4 mag |
| Brightness (B-band) | 14.1 mag |
| Angular expansion | 0.9 ′ × 0.7 ′ |
| Position angle | 37 ° |
| Surface brightness | 12.7 mag / arcmin² |
| Physical data | |
| Redshift | 0.022602 ± 0.000033 |
| Radial velocity | 6776 ± 10 km / s |
|
Stroke distance v rad / H 0 |
(312 ± 22) · 10 6 ly (95.6 ± 6.7) Mpc |
| history | |
| discovery | Lewis Swift |
| Discovery date | May 30, 1886 |
| Catalog names | |
| NGC 6478 • UGC 10998 • PGC 60896 • CGCG 278-033 • MCG + 09-29-032 • IRAS 17474 + 5110 • 2MASX J17483834 + 5109260 • NVSS J174838 + 510925 • NSA 148238 | |
NGC 6478 is a spiral galaxy of Hubble type Sc in the constellation Draco the northern sky . It is estimated to be 312 million light years from the Milky Way and about 80,000 light years in diameter.
In the same area of the sky is u. a. the galaxy NGC 6466 .
The object was discovered by Lewis A. Swift on May 30, 1886 .
Web links
- NGC 6478. SIMBAD , accessed August 4, 2019 .
- NGC 6478. DSO Browser, accessed August 4, 2016 .
- Auke Slotegraaf : NGC 6478. Deep Sky Observer's Companion, accessed on August 4, 2016 .