NGC 5142
| Galaxy NGC 5142 |
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|---|---|
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| SDSS recording | |
| AladinLite | |
| Constellation | Hunting dogs |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 13 h 25 m 01.1 s |
| declination | + 36 ° 23 ′ 58 ″ |
| Appearance | |
| Morphological type | S0 |
| Brightness (visual) | 13.2 mag |
| Brightness (B-band) | 14.2 mag |
| Angular expansion | 1.0 ′ × 0.7 ′ |
| Position angle | 5 ° |
| Surface brightness | 12.7 mag / arcmin² |
| Physical data | |
| Redshift | 0.018736 +/- 0.000080 |
| Radial velocity | 5617 +/- 24 km / s |
|
Stroke distance v rad / H 0 |
(253 ± 18) x 10 6 ly (77.7 ± 5.4) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | May 1, 1785 |
| Catalog names | |
| NGC 5142 • UGC 8435 • PGC 46919 • CGCG 189-066, 190-007 • MCG + 06-30-006 • KUG 1322 + 366A • Mrk 452 • GC 3534 • H III 403 • h 1600 • LDCE 0971 NED002 | |
NGC 5142 is a 13.2 mag bright, lens-shaped galaxy of the Hubble-type S0 in the constellation Hounds and about 253 million light-years from the Milky Way.
It was discovered on May 1, 1785 by Wilhelm Herschel with an 18.7-inch reflector telescope, who called it “Two. Both vF, cS. The place is that of the preceding. The second 3 'Nf “described. The second named object is NGC 5141 .