NGC 4920
Galaxy NGC 4920 / IC 4134 |
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AladinLite | |
Constellation | Virgin |
Position equinox : J2000.0 , epoch : J2000.0 |
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Right ascension | 13 h 02 m 04.1 s |
declination | -11 ° 22 ′ 42 ″ |
Appearance | |
Morphological type | IBm |
Brightness (visual) | 13.5 likes |
Brightness (B-band) | 14.1 mag |
Angular expansion | 1 ′ × 0.7 ′ |
Position angle | 170 ° |
Surface brightness | 13.0 mag / arcmin² |
Physical data | |
Redshift | 0.004456 ± 0.000003 |
Radial velocity | 1336 ± 1 km / s |
Stroke distance v rad / H 0 |
(55 ± 4) · 10 6 ly (16.8 ± 1.2) Mpc |
history | |
discovery | Wilhelm Temple |
Discovery date | 1882 |
Catalog names | |
NGC 4920 • IC 4134 • PGC 44958 • MCG -02-33-094 • IRAS F12594-1106 • 2MASX J13020525-1122378 • |
NGC 4920 is a 13.5 mag bright irregular galaxy of the type "IBm" (the B stands for bar , a central bar ) in the constellation Virgo.
The object was discovered twice: first in 1882 by Ernst Wilhelm Leberecht Tempel (observation listed as NGC 4920 ); then on April 16, 1895 by Guillaume Bigourdan (listed as IC 4134 ).
Web links
- NGC 4920. SIMBAD, accessed February 22, 2015 .
- NGC 4920. DSO Browser, accessed February 22, 2015 .
- Auke Slotegraaf: NGC 4920. Deep Sky Observer's Companion, accessed on February 22, 2015 (English).