NGC 5430
| Galaxy NGC 5430 |
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|---|---|
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| SDSS recording | |
| AladinLite | |
| Constellation | Big Bear |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 14 h 00 m 45.7 s |
| declination | + 59 ° 19 ′ 42 ″ |
| Appearance | |
| Morphological type | SB (s) b / HII / Sbrst |
| Brightness (visual) | 12.0 mag |
| Brightness (B-band) | 12.8 mag |
| Angular expansion | 2.3 '× 1.3' |
| Position angle | 0 ° |
| Surface brightness | 13.0 mag / arcmin² |
| Physical data | |
| Redshift | 0.009877 ± 0.000017 |
| Radial velocity | 2961 ± 5 km / s |
|
Stroke distance v rad / H 0 |
(138 ± 10) · 10 6 ly (42.3 ± 3.0) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | March 17, 1790 |
| Catalog names | |
| NGC 5430 • UGC 8937 • PGC 49881 • CGCG 295-032 • MCG + 10-20-062 • IRAS 13591 + 5934 • 2MASX J14004582 + 5919431 • Mrk 799 / b • GC 3752 • H II 827 • h 1738 • NVSS J140045 + 591944 • HOLM 569A & B • LDCE 1017 NED003 | |
NGC 5430 is a barred spiral galaxy of the Hubble type SBb with a high rate of star formation in the constellation Great Bear in the northern sky . It is estimated to be 138 million light years away from the Milky Way and has a diameter of around 90,000 ly.
In the same area of the sky is the galaxy NGC 5402 .
The object was discovered on March 17, 1790 by the German-British astronomer Wilhelm Herschel .