NGC 6045
| Galaxy NGC 6045 |
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|---|---|
![NGC 6045 with LEDA 84720, NGC 6043 with LEDA 1541265 (ro), NGC 6047 (u) & LEDA 1540505 (ru) [1] (SDSS mount)](https://de.wikipedia.org/wiki/Datei:NGC6045_-_SDSS_DR14.jpg)
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| NGC 6045 with LEDA 84720, NGC 6043 with LEDA 1541265 (ro), NGC 6047 (u) & LEDA 1540505 (ru) ( SDSS image) | |
| AladinLite | |
| Constellation | Hercules |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 16 h 05 m 07.9 s |
| declination | + 17 ° 45 ′ 28 ″ |
| Appearance | |
| Morphological type | SB (s) c / LINER |
| Brightness (visual) | 14.1 mag |
| Brightness (B-band) | 14.8 mag |
| Angular expansion | 1.3 '× 0.3' |
| Position angle | 82 ° |
| Surface brightness | 12.9 mag / arcmin² |
| Physical data | |
| Affiliation | Abell 2151 WBL 607 |
| Redshift | 0.033310 ± 0.000033 |
| Radial velocity | (9986 ± 10) km / s |
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Stroke distance v rad / H 0 |
(450 ± 32) · 10 6 ly (138.1 ± 9.7) Mpc |
| diameter | 175,000 ly |
| history | |
| discovery | Lewis Swift |
| Discovery date | June 27, 1886 |
| Catalog names | |
| NGC 6045 • 6045A • UGC 10177 • PGC 57031 • CGCG 108-112 • MCG + 03-41-088 • IRAS 16028 + 1753 • Arp 71 • USGC U741 NED31 | |
NGC 6045 (also NGC 6045A ) is a bar-spiral galaxy with an active nucleus of the Hubble type SBc in the constellation Hercules in the northern sky . It is an estimated 450 million light years away from the Milky Way and is around 175,000 light years in diameter. The galaxy is considered a member of the Hercules galaxy cluster Abell 2151 . Together with PGC 84720 (also NGC 6045B ) it forms the galaxy pair Arp 71 .
Halton Arp organized his catalog of unusual galaxies into groups according to purely morphological criteria. This galaxy belongs to the class spiral galaxies with a small companion of high surface brightness on one arm (Arp catalog) .
In the same area of the sky are u. a. the galaxies NGC 6043 , NGC 6047 , NGC 6050 , IC 1179 .
The object was discovered by Lewis Swift on June 27, 1886 .
