NGC 7098
| Galaxy NGC 7098 |
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![NGC 7098 with LEDA 246235 (lu) [1] Very Large Telescopes](https://upload.wikimedia.org/wikipedia/commons/thumb/6/6a/NGC_7098_-_Potw1730a.tif/lossy-page1-300px-NGC_7098_-_Potw1730a.tif.jpg)
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| NGC 7098 with LEDA 246235 (lu) Very Large Telescopes | |
| AladinLite | |
| Constellation | Octant |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 21 h 44 m 16.1 s |
| declination | -75 ° 06 ′ 41 ″ |
| Appearance | |
| Morphological type | (R) SAB (r) a |
| Brightness (visual) | 11.3 mag |
| Brightness (B-band) | 12.2 mag |
| Angular expansion | 4 ′ × 2.6 ′ |
| Position angle | 74 ° |
| Surface brightness | 13.7 mag / arcmin² |
| Physical data | |
| Redshift | 0.007942 ± 0.000019 |
| Radial velocity | (2381 ± 6) km / s |
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Stroke distance v rad / H 0 |
(101 ± 7) x 10 6 ly (30.9 ± 2.2) Mpc |
| history | |
| discovery | John Herschel |
| Discovery date | September 22, 1835 |
| Catalog names | |
| NGC 7098 • PGC 67266 • ESO 048-005 • IRAS 21393-7520 • 2MASX J21441607-7506408 • SGC 213919-7520.5 • GC 4686 • h 3876 • HIPASS J2144-75 | |
NGC 7098 is a barred spiral galaxy of the Hubble type SBa in the constellation Octant in the southern sky . It is estimated to be 101 million light-years from the Milky Way and about 130,000 light-years across.
The object was discovered by John Herschel on September 22nd, 1835 .