NGC 3902
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| NGC 3902 | |
|---|---|
| File:NGC3902 - SDSS DR14.jpg SDSS image of NGC 3902 | |
| Observation data (J2000 epoch) | |
| Constellation | Leo |
| Right ascension | 11h 49m 18.746s[1] |
| Declination | +26° 07′ 17.50″[1] |
| Redshift | 0.01199[2] |
| Heliocentric radial velocity | 3573 km/s[2] |
| Distance | 188.6 Mly (57.81 Mpc)[3] |
| Apparent magnitude (B) | 13.99[4] |
| Characteristics | |
| Type | SAB(s)bc:[5] |
| Other designations | |
| UGC 6790, MCG +04-28-055, PGC 36923[2] | |
NGC 3902 is an intermediate spiral galaxy in the constellation Leo. It was discovered on April 6, 1785, by William Herschel and observed on February 19, 1827, by John Herschel.[6] It is estimated to be 180 to 185 million light-years away, and its redshift-independent distance estimates to about 185 to 240 million light-years. It is around 75,000 light-years in diameter.[7][6]
NGC 3902 is one galaxy within the NGC 3902 group (or LGG 254), a group of galaxies in Leo; the other galaxies of which are NGC 3920, NGC 3944, UGC 6806 and UGC 6807.
References
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