NGC 4781
Galaxy NGC 4781 |
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High-resolution image of part of the spiral galaxy NGC 4781, created using the Hubble Space Telescope | |
AladinLite | |
Constellation | Virgin |
Position equinox : J2000.0 , epoch : J2000.0 |
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Right ascension | 12 h 54 m 23.7 s |
declination | -10 ° 32 ′ 14 ″ |
Appearance | |
Morphological type | SB (rs) d / HII |
Brightness (visual) | 11.1 mag |
Brightness (B-band) | 11.8 mag |
Angular expansion | 3.4 ′ × 1.4 ′ |
Position angle | 120 ° |
Surface brightness | 12.6 mag / arcmin² |
Physical data | |
Affiliation |
NGC 4699 group NGC 4594 group LGG 307 |
Redshift | 0.004203 ± 0.000007 |
Radial velocity | (1260 ± 2) km / s |
Stroke distance v rad / H 0 |
(52 ± 4) · 10 6 ly (15.8 ± 1.1) Mpc |
history | |
discovery | William Herschel |
Discovery date | March 25, 1786 |
Catalog names | |
NGC 4781 • PGC 43902 • MCG -02-33-049 • IRAS 12517-1015 • 2MASX J12542374-1032139 • GC 3292 • H I 134 • Holm 483A • HIPASS J1254-10a • LDCE 904 NED275 |
NGC 4781 is a bar-spiral galaxy with extensive star formation areas of the Hubble type SBcd in the constellation Virgo on the ecliptic . It is estimated to be 52 million light-years from the Milky Way and about 60,000 light-years across. Together with NGC 4784 , it forms the galaxy pair Holm 483 .
The galaxies NGC 4757 , NGC 4760 , NGC 4766 , NGC 4790 are located in the same area of the sky .
The object was discovered by Wilhelm Herschel on March 25, 1786 .