NGC 6493
| Galaxy NGC 6493 |
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|---|---|
![NGC 6493 [1] SDSS image](https://de.wikipedia.org/wiki/Datei:NGC6493_-_SDSS_DR14.jpg)
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| NGC 6493 SDSS image | |
| AladinLite | |
| Constellation | Dragon |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 17 h 50 m 22.663 s |
| declination | + 61 ° 33 ′ 33.89 ″ |
| Appearance | |
| Morphological type | SAB (r) cd: |
| Brightness (visual) | 14.4 mag |
| Brightness (B-band) | 15.1 mag |
| Angular expansion | 1.1 ′ × 1.1 ′ |
| Surface brightness | 14.5 mag / arcmin² |
| Physical data | |
| Redshift | 0.019814 ± 0.000133 |
| Radial velocity | 5940 ± 40 km / s |
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Stroke distance v rad / H 0 |
(274 ± 19) x 10 6 ly (84.1 ± 5.9) Mpc |
| history | |
| discovery | Lewis Swift |
| Discovery date | June 5, 1885 |
| Catalog names | |
| NGC 6493 • UGC 11011 • PGC 60961 • CGCG 300-084 • MCG + 10-25-105 • 2MASX J17502266 + 6133334 • 2MASS J17502261 + 6133340 • NSA 148258 | |
NGC 6493 is a 14.5 mag bright bar spiral galaxy of the Hubble type SBcd in the constellation Dragon in the northern sky . It is estimated to be 274 million light years from the Milky Way and about 85,000 light years across . Together with NGC 6491 , it forms an (optical?) Pair of galaxies. In the same area of the sky are u. a. the galaxies NGC 6488 and IC 4669 .
The object was discovered by Lewis A. Swift on July 5, 1885 .
Web links
- NGC 6493. SIMBAD , accessed August 7, 2019 .
- NGC 6493. DSO Browser, accessed August 7, 2016 .
- Auke Slotegraaf : NGC 6493. Deep Sky Observer's Companion, accessed on August 7, 2016 .