NGC 7155
| Galaxy NGC 7155 / IC 5143 |
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|---|---|
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| AladinLite | |
| Constellation | Indus |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 21 h 56 m 09.7 s |
| declination | -49 ° 31 ′ 19 ″ |
| Appearance | |
| Morphological type | SB (r) 0 ^ 0 |
| Brightness (visual) | 12.2 mag |
| Brightness (B-band) | 13.2 mag |
| Angular expansion | 2.3 '× 2.0' |
| Position angle | 4 ° |
| Surface brightness | 13.7 mag / arcmin² |
| Physical data | |
| Affiliation | LGG 448 |
| Redshift | 0.006608 +/- 0.000083 |
| Radial velocity | 1981 +/- 25 km / s |
|
Stroke distance v rad / H 0 |
(87 ± 6) · 10 6 ly (26.7 ± 1.9) Mpc |
| history | |
| discovery | John Herschel |
| Discovery date | September 30, 1834 |
| Catalog names | |
| NGC 7155 • IC 5143 • PGC 67663 • ESO 237-016 • 2MASX J21560971-4931188 • SGC 215255-4945.5 • LDCE 1489 NED004 | |
NGC 7155 = IC 5143 is a lenticular galaxy of the Hubble type SB0 in the constellation Indians in the southern sky . It is estimated to be 87 million light years from the Milky Way .
The object was discovered by John Herschel on September 30, 1834 .