NGC 7242
| Galaxy NGC 7242 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | lizard |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 22 h 15 m 40.5 s |
| declination | + 37 ° 18 ′ 02 ″ |
| Appearance | |
| Morphological type | E3 |
| Brightness (visual) | 12.9 mag |
| Brightness (B-band) | 13.9 likes |
| Angular expansion | 2.3 ′ × 1.7 ′ |
| Position angle | 30 ° |
| Surface brightness | 14.5 mag / arcmin² |
| Physical data | |
| Affiliation | WBL 679 |
| Redshift | 0.019313 ± 0.000127 |
| Radial velocity | 5790 ± 38 km / s |
|
Stroke distance v rad / H 0 |
(268 ± 19) · 10 6 ly (82.3 ± 5.8) Mpc |
| history | |
| discovery | Auguste Voigt |
| Discovery date | August 1865 |
| Catalog names | |
| NGC 7242 • UGC 11969 • PGC 68434 • CGCG 513-023 • MCG + 06-48-025 • CIZA J2215.6 + 3718 • HOLM 789 | |
NGC 7242 is an elliptical galaxy of Hubble type E3 in the constellation Lacerta the northern sky . It is an estimated 268 million light years away from the Milky Way and is approximately 175,000 light years in diameter.
In the same area of the sky are u. a. the galaxies NGC 7240 , IC 1441 , IC 5193 , IC 5195 .
The Type Ia supernova SN 2001ib was observed here.
The object was discovered by Auguste Voigt in August 1865 .