NGC 3390
| Galaxie NGC 3390 | |
|---|---|
| AladinLite | |
| Sternbild | Wasserschlange |
| Position Äquinoktium: J2000.0, Epoche: J2000.0 | |
| Rektaszension | 10h 48m 04,3s [1] |
| Deklination | −31° 32′ 00″ [1] |
| Erscheinungsbild | |
| Morphologischer Typ | Sb / LINER?[1] |
| Helligkeit (visuell) | 12,1 mag[2] |
| Helligkeit (B-Band) | 12,9 mag[2] |
| Winkelausdehnung | 3,5′ × 0,6′[2] |
| Positionswinkel | 177°[2] |
| Flächenhelligkeit | 12,8 mag/arcmin²[2] |
| Physikalische Daten | |
| Zugehörigkeit | LGG 215[1][3] |
| Rotverschiebung | 0.010164 ± 0.000053[1] |
| Radialgeschwindigkeit | (3047 ± 16) km/s[1] |
| Hubbledistanz H0 = 73 km/(s • Mpc) |
(127 ± 9)e6 Lj (38,9 ± 2,7) Mpc [1] |
| Geschichte | |
| Entdeckung | John Herschel |
| Entdeckungsdatum | 29. April 1834 |
| Katalogbezeichnungen | |
| NGC 3390 • PGC 32271 • ESO 437-062 • MCG -05-26-007 • IRAS 10457-3116 • 2MASX J10480434-3132000 • GC 2212 • h 3298 • LDCE 0729 NED192 | |
NGC 3390 ist eine Spiralgalaxie vom Hubble-Typ Sb im Sternbild Wasserschlange am Südsternhimmel. Sie ist schätzungsweise 127 Millionen Lichtjahre von der Milchstraße entfernt.
Das Objekt wurde am 29. April 1834 von John Herschel entdeckt.[4]
NGC 3390-Gruppe (LGG 215)
| Galaxie | Alternativname | Entfernung/Mio. Lj |
|---|---|---|
| NGC 3390 | PGC 32271 | 132 |
| PGC 31841 | ESO 437-042 | 109 |
| PGC 32039 | ESO 437-056 | 123 |
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