NGC 1098
Galaxy NGC 1098 |
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AladinLite | |
Constellation | Eridanus |
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 .