NGC 1099
Galaxy NGC 1099 |
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---|---|
NGC 1100, NGC 1099 & NGC 1098 (ro) | |
AladinLite | |
Constellation | Eridanus |
Position equinox : J2000.0 , epoch : J2000.0 |
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Right ascension | 02 h 45 m 18.02 s |
declination | -17 ° 42 ′ 30.1 ″ |
Appearance | |
Morphological type | SB (rs) from / EmLG / HII |
Brightness (visual) | 13.3 mag |
Brightness (B-band) | 14.1 mag |
Angular expansion | 1.9 ′ × 0.6 ′ |
Position angle | 10 ° |
Surface brightness | 13.3 mag / arcmin² |
Physical data | |
Affiliation | SSRS group 87 HCG 21 |
Redshift | 0.025191 ± 0.000033 |
Radial velocity | (7552 ± 10) km / s |
Stroke distance v rad / H 0 |
(335 ± 23) x 10 6 ly (102.8 ± 7.2) Mpc |
history | |
discovery | Francis P. Leavenworth |
Discovery date | October 17, 1885 |
Catalog names | |
NGC 1099 • PGC 10422 • ESO 546-015 • MCG -03-08-011 • IRAS 02429-1754 • 2MASX J02451802-1742301 • SGC 024258-1755.1 • HCG 21A • NVSS J024517-174227 • LDCE 188 NED002 • WISEA J024518.00 -174229.1 |
NGC 1099 is a bar-spiral galaxy of the Hubble-type SBb with extensive star formation areas in the constellation Eridanus in the southern sky . It is an estimated 335 million light years from the Milky Way and about 190,000 light years in diameter. Together with NGC 1091 , NGC 1092 , NGC 1098 and NGC 1100 it forms the Hickson Compact Group 21 .
The property was discovered by Francis Preserved Leavenworth on October 17, 1885 .
Web links
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