NGC 6489
| Galaxy NGC 6489 |
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|---|---|
![NGC 6489 [1] SDSS image](https://de.wikipedia.org/wiki/Datei:NGC6489_-_SDSS_DR14.jpg)
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| NGC 6489 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 1.309 s |
| declination | + 60 ° 05 ′ 32.04 ″ |
| Appearance | |
| Morphological type | C. |
| Brightness (visual) | 15.3 mag |
| Brightness (B-band) | 16.3 mag |
| Angular expansion | 0.4 ′ × 0.3 ′ |
| Position angle | 24 ° |
| Surface brightness | 13.1 mag / arcmin² |
| Physical data | |
| Redshift | 0.027700 ± 0.000100 |
| Radial velocity | 8304 ± 30 km / s |
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Stroke distance v rad / H 0 |
(380 ± 27) · 10 6 ly (116.5 ± 8.2) Mpc |
| history | |
| discovery | Lewis Swift |
| Discovery date | June 5, 1885 |
| Catalog names | |
| NGC 6489 • PGC 60928 • CGCG 300-079 • MCG + 10-25-99 • 2MASX J17500138 + 6005322 • GALEX ASC J175001.21 + 600530.9 • NSA 148253 | |
NGC 6489 is a 15.3 mag bright, compact elliptical galaxy of the Hubble type E / S0 in the constellation Dragon in the northern sky . It is estimated to be 380 million light years from the Milky Way and about 35,000 light years across.
In the same area of the sky is u. a. the galaxy NGC 6497 .
The object was discovered on June 5, 1885 by Lewis A. Swift .
Web links
- NGC 6489. SIMBAD , accessed August 7, 2016 .
- NGC 6489. DSO Browser, accessed August 7, 2016 .
- Auke Slotegraaf : NGC 6489. Deep Sky Observer's Companion, accessed on August 7, 2016 .