NGC 3840
| Galaxy NGC 3840 |
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|---|---|
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| SDSS recording | |
| AladinLite | |
| Constellation | lion |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 11 h 43 m 58.9 s |
| declination | + 20 ° 04 ′ 37 ″ |
| Appearance | |
| Morphological type | Sa / HII |
| Brightness (visual) | 13.7 mag |
| Brightness (B-band) | 14.6 mag |
| Angular expansion | 1.1 ′ × 0.8 ′ |
| Position angle | 67 ° |
| Surface brightness | 13.4 mag / arcmin² |
| Physical data | |
| Affiliation | Abell 1367 |
| Redshift | 0.024590 +/- 0.000007 |
| Radial velocity | 7372 +/- 2 km / s |
|
Stroke distance v rad / H 0 |
(327 ± 23) x 10 6 ly (100.3 ± 7.0) Mpc |
| history | |
| discovery | Heinrich d'Arrest |
| Discovery date | May 8, 1864 |
| Catalog names | |
| NGC 3840 • UGC 6702 • PGC 36477 • CGCG 097-091 • MCG + 03-30-070 • IRAS 11413 + 2021 • KUG 1141 + 203 • 2MASX J11435898 + 2004373 • LEDA 36477 • LDCE 836 NED019 | |
NGC 3840 is a spiral galaxy with extensive star formation regions of the Hubble type Sa in the constellation Leo on the ecliptic . It is estimated to be 327 million light years from the Milky Way , about 105,000 ly in diameter, and a member of the Leo galaxy cluster Abell 1367 .
The galaxies NGC 3841 , NGC 3842 , NGC 3844 , NGC 3845 are located in the same area of the sky .
The object was discovered by Heinrich d'Arrest on May 8, 1864 .