NGC 3353
| Galaxy NGC 3353 |
|
|---|---|
|
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| SDSS recording | |
| AladinLite | |
| Constellation | Big Bear |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 10 h 45 m 22.4 s |
| declination | + 55 ° 57 ′ 37 ″ |
| Appearance | |
| Morphological type | BCD / Irr / HII |
| Brightness (visual) | 12.4 mag |
| Brightness (B-band) | 13.2 mag |
| Angular expansion | 1.4 ′ × 1 ′ |
| Position angle | 60 ° |
| Surface brightness | 12.6 mag / arcmin² |
| Physical data | |
| Affiliation | LGG 201 |
| Redshift | 0.003149 ± 0.000017 |
| Radial velocity | (944 ± 5) km / s |
|
Stroke distance v rad / H 0 |
(45 ± 3) x 10 6 ly (13.8 ± 1.0) Mpc |
| history | |
| discovery | William Herschel |
| Discovery date | March 18, 1790 |
| Catalog names | |
| NGC 3353 • UGC 5860 • PGC 32103 • CGCG 267-009 • MCG + 09-18-022 • IRAS 10422 + 5613 • 2MASX J10452239 + 5557373 • Mrk 35 • GC 2185 • H III 842 • h 741 • Haro 3 • LDCE 867 NED002 | |
NGC 3353 is an irregular dwarf galaxy with extensive star formation areas in the constellation Great Bear. It is estimated to be 45 million light years from the Milky Way and about 15,000 light years in diameter.
The object was discovered on March 18, 1790 by William Herschel with an 18.7 inch reflecting telescope.
Photo from the Hubble Space Telescope
Web links
Commons : NGC 3353 - collection of images, videos, and audio files
