NGC 1098
| Galaxy NGC 1098 |
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|---|---|
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| AladinLite | |
| Constellation | Eridanus |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 02 h 44 m 53.7 s |
| declination | -17 ° 39 ′ 33 ″ |
| Appearance | |
| Morphological type | SA (s) 0-: / LLAGN |
| Brightness (visual) | 12.6 mag |
| Brightness (B-band) | 13.6 mag |
| Angular expansion | 1.7 ′ × 1.3 ′ |
| Position angle | 102 ° |
| Surface brightness | 13.4 mag / arcmin² |
| Physical data | |
| Affiliation | SSRS group 87 HCG 21 |
| Redshift | 0.024861 ± 0.000087 |
| Radial velocity | (7453 ± 26) km / s |
|
Stroke distance v rad / H 0 |
(331 ± 23) x 10 6 ly (101.5 ± 7.1) Mpc |
| history | |
| discovery | Francis P. Leavenworth |
| Discovery date | October 17, 1885 |
| Catalog names | |
| NGC 1098 • PGC 10403 • ESO 546-014 • MCG -03-08-008 • 2MASX J02445363-1739330 • SGC 024234-1752.2 • HCG 21C • NVSS J024453-173937 • LDCE 188 NED001 | |
NGC 1098 is an elliptical galaxy with an active nucleus of the Hubble type E / S0 in the constellation Eridanus in the southern sky . It is an estimated 331 million light years away from the Milky Way and about 170,000 light years in diameter. Together with NGC 1091 , NGC 1092 , NGC 1099 and NGC 1100 it forms the Hickson Compact Group 21 .
The property was discovered by Francis Preserved Leavenworth on October 17, 1885 .