NGC 4019
| Galaxy NGC 4019 / IC 755 |
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|---|---|
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| Photo from the Hubble Space Telescope | |
| AladinLite | |
| Constellation | Berenike's hair |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 12 h 01 m 10.420 s |
| declination | + 14 ° 06 ′ 15.50 ″ |
| Appearance | |
| Morphological type | SBb? / sp |
| Brightness (visual) | 13.2 mag |
| Brightness (B-band) | 14.0 mag |
| Angular expansion | 2.40 ′ × 0.3 ′ |
| Position angle | 145 ° |
| Surface brightness | 12.7 mag / arcmin² |
| Physical data | |
| Affiliation | NGC 4486 group LGG 289 |
| Redshift | 0.005083 ± 0.000010 |
| Radial velocity | 1524 ± 3 km / s |
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Stroke distance v rad / H 0 |
(65 ± 5) x 10 6 ly (20 ± 1.4) Mpc |
| history | |
| discovery | John Herschel |
| Discovery date | April 23, 1832 |
| Catalog names | |
| NGC 4019 • IC 755 • UGC 7001 • PGC 37912 • CGCG 069-024 • MCG + 02-31-014 • IRAS 11585 + 1423 • KUG 1158 + 143A • 2MASX J12011038 + 1406162 • EVCC 76 • HIPASS J1201 + 14 • NSA 140612 • WISEA J120110.44 + 140615.7 | |
NGC 4019 = IC 755 is a bar-spiral galaxy of the Hubble type SBb in the constellation Haar der Berenike in the northern sky . It is an estimated 65 million light years away from the Milky Way and about 45,000 light years in diameter. Together with 95 other galaxies, it forms the NGC 4486 group ( LGG 289 ).
The galaxies NGC 3996 and NGC 4037 are located in the same area of the sky .
The type II supernova SN 1999an was observed here.
The object was discovered in 1832 by astronomer John Herschel using an 18.7-inch telescope. The entry in the Index Catalog refers to an observation of presumably the same galaxy by Lewis Swift .