NGC 6487
| Galaxy NGC 6487 |
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|---|---|
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| AladinLite | |
| Constellation | Hercules |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 17 h 52 m 41.854 s |
| declination | + 29 ° 50 ′ 19.08 ″ |
| Appearance | |
| Morphological type | E. |
| Brightness (visual) | 12.2 mag |
| Brightness (B-band) | 13.2 mag |
| Angular expansion | 1.8 ′ × 1.8 ′ |
| Surface brightness | 13.5 mag / arcmin² |
| Physical data | |
| Affiliation | WBL 648 NGC 6487 group |
| Redshift | 0.025491 ± 0.000090 |
| Radial velocity | 7642 ± 27 km / s |
|
Stroke distance v rad / H 0 |
(350 ± 24) x 10 6 ly (107.2 ± 7.5) Mpc |
| history | |
| discovery | Édouard Stephan |
| Discovery date | July 28, 1880 |
| Catalog names | |
| NGC 6487 • UGC 11022 • PGC 61039 • CGCG 171-014 • MCG + 05-42-008 • 2MASX J17524182 + 2950193 • GALEX ASC J175241.82 + 295017.8 • WISEA J175241.83 + 295019.0 | |
NGC 6487 is an elliptical galaxy from the Hubble type E0 in the constellation Hercules at the northern sky . It is estimated to be 350 million light years from the Milky Way and about 185,000 light years in diameter. Together with NGC 6486 it forms an (optical?) Pair of galaxies.
The object was discovered on July 28, 1880 by Édouard Stephan .
Web links
- NGC 6487. SIMBAD , accessed August 7, 2016 .
- NGC 6487. DSO Browser, accessed August 7, 2016 .
- Auke Slotegraaf : NGC 6487. Deep Sky Observer's Companion, accessed on August 7, 2016 .