NGC 5984
| Galaxy NGC 5984 |
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|---|---|
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| SDSS recording | |
| AladinLite | |
| Constellation | Snake |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 15 h 42 m 53.2 s |
| declination | + 14 ° 13 ′ 53 ″ |
| Appearance | |
| Morphological type | SB (rs) d: |
| Brightness (visual) | 12.5 mag |
| Brightness (B-band) | 13.2 mag |
| Angular expansion | 2.9 ′ × 0.7 ′ |
| Position angle | 144 ° |
| Surface brightness | 13.2 mag / arcmin² |
| Physical data | |
| Redshift | 0.003696 ± 0.000017 |
| Radial velocity | (1108 ± 5) km / s |
|
Stroke distance v rad / H 0 |
(53 ± 4) · 10 6 ly (16.2 ± 1.1) Mpc |
| history | |
| discovery | William Herschel |
| Discovery date | March 19, 1784 |
| Catalog names | |
| NGC 5984 • UGC 9987 • PGC 55853 • CGCG 078-052 • MCG + 02-40-011 • IRAS 15405 + 1423 • 2MASX J15425319 + 1413531 • GC 4129 • H II 656 • HIPASS J1542 + 14 | |
NGC 5984 is a barred spiral galaxy of the Hubble type SBcd in the constellation Snake in the northern sky . It is estimated to be 53 million light years from the Milky Way and about 45,000 ly in diameter.
The object was discovered by Wilhelm Herschel on March 19, 1784 .