NGC 6587
Galaxy NGC 6587 |
|
---|---|
AladinLite | |
Constellation | Hercules |
Position equinox : J2000.0 , epoch : J2000.0 |
|
Right ascension | 18 h 13 m 50.9 s |
declination | + 18 ° 49 ′ 31 ″ |
Appearance | |
Morphological type | E / SB0 |
Brightness (visual) | 12.6 mag |
Brightness (B-band) | 13.6 mag |
Angular expansion | 1.3 ′ × 1.1 ′ |
Position angle | 21 ° |
Surface brightness | 13.1 mag / arcmin² |
Physical data | |
Redshift | 0.010340 +/- 0.000073 |
Radial velocity | 3100 +/- 22 km / s |
Stroke distance v rad / H 0 |
(146 ± 10) · 10 6 ly (44.8 ± 3.1) Mpc |
history | |
discovery | Albert Marth |
Discovery date | July 31, 1864 |
Catalog names | |
NGC 6587 • UGC 11166 • PGC 61607 • CGCG 113-031 • MCG + 03-46-020 • 2MASX J18135090 + 1849312 • GC 5904 • GALEX ASC J181350.90 + 184931.0 |
NGC 6587 is a 12.6 mag bright elliptical galaxy of the Hubble type "E / SB0" in the constellation Hercules in the northern sky . It is estimated to be 146 million light years from the Milky Way and about 55,000 light years in diameter.
The object was discovered by Albert Marth on July 31, 1864 .
Web links
- NGC 6587. SIMBAD, accessed October 19, 2016 .
- NGC 6587. DSO Browser, accessed October 19, 2016 .
- Auke Slotegraaf: NGC 6587. Deep Sky Observer's Companion, accessed on October 19, 2016 (English).