NGC 4539
| Galaxy NGC 4539 |
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|---|---|
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| SDSS recording | |
| AladinLite | |
| Constellation | Berenike's hair |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 12 h 34 m 34.7 s |
| declination | + 18 ° 12 ′ 10 ″ |
| Appearance | |
| Morphological type | SB (s) a: / sp |
| Brightness (visual) | 12.0 mag |
| Brightness (B-band) | 12.9 mag |
| Angular expansion | 3.3 ′ × 1.4 ′ |
| Position angle | 95 ° |
| Surface brightness | 13.5 mag / arcmin² |
| Physical data | |
| Affiliation | Virgo I group Messier 87 group NGC 4639 group LGG 289 |
| Redshift | 0.004660 ± 0.000073 |
| Radial velocity | 1397 ± 22 km / s |
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Stroke distance v rad / H 0 |
(61 ± 4) · 10 6 ly (18.7 ± 1.3) Mpc |
| history | |
| discovery | John Herschel |
| Discovery date | March 17, 1831 |
| Catalog names | |
| NGC 4539 • UGC 7735 • PGC 41839 • CGCG 099-092 • MCG + 03-32-071 • 2MASX J12343476 + 1812092 • GC 3086 • h 1338 • GALEX ASC J123434.93 + 181211.0 • LDCE 904 NED187 • EVCC 899 | |
NGC 4539 is a bar-spiral galaxy of the Hubble type SBa in the constellation Coma Berenices in the northern sky . It is an estimated 61 million light years away from the Milky Way and is about 60,000 light years in diameter.
The galaxies IC 3473 , IC 3484 , IC 3530 , IC 3580 are located in the same area of the sky .
The object was discovered by John Herschel on March 17, 1831 .