NGC 3898
| Galaxy NGC 3898 |
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|---|---|
|
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| Photo from the Hubble Space Telescope | |
| AladinLite | |
| Constellation | Big Bear |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 11 h 49 m 15.4 s |
| declination | + 56 ° 05 ′ 04 ″ |
| Appearance | |
| Morphological type | SA (s) from; LINER HII |
| Brightness (visual) | 10.8 mag |
| Brightness (B-band) | 11.6 mag |
| Angular expansion | 4.4 ′ × 2.6 ′ |
| Position angle | 107 ° |
| Surface brightness | 13.3 mag / arcmin² |
| Physical data | |
| Affiliation | Abell 1377 LGG 250 |
| Redshift | 0.003923 ± 0.000017 |
| Radial velocity | (1176 ± 5) km / s |
|
Stroke distance v rad / H 0 |
(56 ± 4) · 10 6 ly (17.2 ± 1.2) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | April 14, 1789 |
| Catalog names | |
| NGC 3898 • UGC 6787 • PGC 36921 • CGCG 268-088 • CGCG 269-002 • MCG + 09-19-204 • IRAS 11465 + 5621 • 2MASX J11491536 + 5605036 • GC 2564 • H I 228 • h 985 • LDCE 0867 NED039 | |
NGC 3898 is a spiral galaxy in the constellation Great Bear that is listed in the New General Catalog . It is estimated to be 56 million light years from the Milky Way and about 70,000 ly in diameter.
The galaxy was discovered in 1789 by the astronomer William Herschel using his 18.7-inch mirror telescope.
NGC 3898 group ( LGG 250 )
| Galaxy | Alternative name | Distance / million Lj |
|---|---|---|
| NGC 3898 | PGC 36921 | 56 |
| NGC 3733 | PGC 35797 | 56 |
| NGC 3756 | PGC 35931 | 62 |
| NGC 3804 | PGC 36238 | 65 |
| NGC 3850 | PGC 36660 | 55 |
| NGC 3846 | PGC 36539 | 437? |
| NGC 3982 | PGC 37520 | 53 |
| PGC 36506 | NGC 3846A | 67 |
| PGC 37418 | UGC 6894 | 41 |