NGC 3870
| Galaxy NGC 3870 |
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|---|---|
![NGC 3870 [1] SDSS image](https://de.wikipedia.org/wiki/Datei:NGC3870_-_SDSS_DR14.jpg)
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| NGC 3870 SDSS image | |
| AladinLite | |
| Constellation | Big Bear |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 11 h 45 m 56.597 s |
| declination | + 50 ° 11 ′ 59.07 ″ |
| Appearance | |
| Morphological type | S0 |
| Brightness (visual) | 12.4 mag |
| Brightness (B-band) | 13.4 mag |
| Angular expansion | 1 ′ × 0.8 ′ |
| Position angle | 25 ° |
| Surface brightness | 12.0 mag / arcmin² |
| Physical data | |
| Affiliation | NGC 3992 group LGG 258 |
| Redshift | 0.002522 ± 0.000023 |
| Radial velocity | 756 ± 7 km / s |
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Stroke distance v rad / H 0 |
(37 ± 3) x 10 6 ly (11.2 ± 0.8) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | March 17, 1790 |
| Catalog names | |
| NGC 3870 • UGC 6742 • PGC 36686 • CGCG 268-081 • MCG + 08-22-001 • IRAS 11432 + 5028 • 2MASX J11455663 + 5011596 • Mrk 186 • GC 2539 • H III 833 • h 972 • GALEX ASC J114556.72 +501200.3 • LDCE 867 NED035 • NVSS J114556 + 501158 | |
NGC 3870 is a lenticular dwarf galaxy of the Hubble type S0 in the constellation Great Bear in the northern sky . It is estimated to be 37 million light years from the Milky Way and about 10,000 light years in diameter.
The galaxy IC 731 is located in the same area of the sky .
The object was discovered on March 17, 1790 by the astronomer Wilhelm Herschel with his 18.7-inch reflector telescope.
Web links
Commons : NGC 3870 - collection of images, videos, and audio files
