NGC 6099
Galaxy NGC 6099 |
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NGC 6099 (u) & NGC 6098 with LEDA 1593888 (lo) & LEDA 1592462 (lu) SDSS image | |
AladinLite | |
Constellation | Hercules |
Position equinox : J2000.0 , epoch : J2000.0 |
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Right ascension | 16 h 15 m 35.5 s |
declination | + 19 ° 27 ′ 13 ″ |
Appearance | |
Morphological type | cD / E0 |
Brightness (visual) | 14.2 mag |
Brightness (B-band) | 15.2 mag |
Angular expansion | 1.3 ′ × 1.3 ′ |
Surface brightness | 14.8 mag / arcmin² |
Physical data | |
Affiliation | isolated |
Redshift | 0.029817 ± 0.000033 |
Radial velocity | (8939 ± 10) km / s |
Stroke distance v rad / H 0 |
(404 ± 28) x 10 6 ly (123.9 ± 8.7) Mpc |
history | |
discovery | Truman Safford |
Discovery date | April 24, 1867 |
Catalog names | |
NGC 6099 • UGC 10299 N02 • PGC 57640 • CGCG 108-170 N02 • MCG + 03-41-146 • 2MASX J16153554 + 1927123 • VV 192a • GALEX ASC J161535.48 + 192711.5 • USGC U755 NED02 • KPG 493B |
NGC 6099 is a 14.2 likes bright elliptical cD - radio galaxy from the Hubble type E0 in the constellation Hercules at the northern sky . It is an estimated 404 million light-years away from the Milky Way and about 155,000 light-years across. Together with NGC 6098 , it forms the gravitationally bound , isolated galaxy pair KPG 493 .
The object was discovered by Truman Safford on April 24, 1867 .
Web links
- NGC 6099. SIMBAD , accessed June 2, 2016 .
- NGC 6099. DSO Browser, accessed June 2, 2016 .
- Auke Slotegraaf : NGC 6099. Deep Sky Observer's Companion, accessed June 2, 2016 (English).