NGC 4250
Galaxy NGC 4250 |
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AladinLite | |
Constellation | Dragon |
Position equinox : J2000.0 , epoch : J2000.0 |
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Right ascension | 12 h 17 m 26.27 s |
declination | + 70 ° 48 ′ 09.3 ″ |
Appearance | |
Morphological type | SAB (r) 0+ |
Brightness (visual) | 11.9 likes |
Brightness (B-band) | 12.8 mag |
Angular expansion | 2.7 '× 2.1' |
Position angle | 168 ° |
Surface brightness | 13.6 mag / arcmin² |
Physical data | |
Redshift | 0.006735 ± 0.000020 |
Radial velocity | (2019 ± 6) km / s |
Stroke distance v rad / H 0 |
(96 ± 7) · 10 6 ly (29.4 ± 2.1) Mpc |
history | |
discovery | Wilhelm Herschel |
Discovery date | April 7, 1793 |
Catalog names | |
NGC 4250 • UGC 7329 • PGC 39414 • CGCG 335-009 • MCG + 12-12-005 • 2MASX J12172630 + 7048094 • GC 2835 • H I 264 • h 1170 • GALEX ASC J121726.22 + 704810.1 • NVSS J121725 + 704808 • WISEA J121726.24 + 704808.9 |
NGC 4250 is a lenticular galaxy of the Hubble type SB0 / a in the constellation Dragon in the northern sky . It is estimated to be 96 million light-years from the Milky Way and about 75,000 light-years across.
The object was discovered by Wilhelm Herschel on April 7, 1793 .