NGC 3054
| Galaxy NGC 3054 |
|
|---|---|
|
|
| Photo from the Hubble Space Telescope | |
| AladinLite | |
| Constellation | Water snake |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 09 h 54 m 28.6 s |
| declination | -25 ° 42 ′ 12 ″ |
| Appearance | |
| Morphological type | SAB (r) bc |
| Brightness (visual) | 11.4 mag |
| Brightness (B-band) | 12.2 mag |
| Angular expansion | 3.8 ′ × 2.4 ′ |
| Position angle | 118 ° |
| Surface brightness | 13.7 mag / arcmin² |
| Physical data | |
| Affiliation | NGC 3054 group IC 2537 group LGG 185 |
| Redshift | 0.008091 ± 0.000023 |
| Radial velocity | 2426 ± 7 km / s |
|
Stroke distance v rad / H 0 |
(99 ± 7) · 10 6 ly (30.3 ± 2.1) Mpc |
| history | |
| discovery | Christian Peters |
| Discovery date | April 3, 1859 |
| Catalog names | |
| NGC 3054 • UGC 187 • PGC 28571 • ESO 499-018 • MCG -04-24-005 • 2MASX J09542860-2542123 • SGC 095212-2527.9 • HIPASS J0954-25 • LDCE 729 NED014 | |
NGC 3054 is a barred spiral galaxy of the Hubble type SBb in the constellation Hydra south of the ecliptic . It is estimated to be 99 million light years from the Milky Way and about 115,000 light years in diameter.
The galaxy is the namesake of the NGC 3054 group , whose members also include NGC 3051 , NGC 3078 , NGC 3084 , NGC 3089 , IC 2531 , IC 2537 , PGC 28803 and PGC 28874 .
The supernovae SN 2004de and SN 2006T (Type-IIb) were observed here.
The object was discovered on April 3, 1859 by the German-American astronomer Christian Heinrich Friedrich Peters .
NGC 3054 group ( LGG 185 )
| Galaxy | Alternative name | Distance / million Lj |
|---|---|---|
| NGC 3054 | PGC 28571 | 99 |
| NGC 3051 | PGC 28536 | 104 |
| NGC 3078 | PGC 28806 | 106 |
| NGC 3084 | PGC 28841 | 104 |
| NGC 3089 | PGC 28882 | 112 |
| IC 2531 | PGC 28909 | 101 |
| IC 2537 | PGC 29179 | 115 |
| PGC 28874 | ESO 499-032 | 100 |
| PGC 28803 | ESO 499-026 | 97 |
Web links
Commons : NGC 3054 - collection of images, videos, and audio files
