NGC 7408
| Galaxie NGC 7408 | |
|---|---|
| AladinLite | |
| Sternbild | Tukan |
| Position Äquinoktium: J2000.0, Epoche: J2000.0 | |
| Rektaszension | 22h 55m 56,8s [1] |
| Deklination | −63° 41′ 41″ [1] |
| Erscheinungsbild | |
| Morphologischer Typ | (R')SB(rs)c[1] |
| Helligkeit (visuell) | 12,6 mag[2] |
| Helligkeit (B-Band) | 13,3 mag[2] |
| Winkelausdehnung | 1,6′ × 1,2′[2] |
| Positionswinkel | 167°[2] |
| Flächenhelligkeit | 13,2 mag/arcmin²[2] |
| Physikalische Daten | |
| Zugehörigkeit | LGG 462[1][1][3] |
| Rotverschiebung | 0,011656 ± 0,000031[1] |
| Radialgeschwindigkeit | (3494 ± 9) km/s[1] |
| Hubbledistanz H0 = 73 km/(s • Mpc) |
(152 ± 11)e6 Lj (46,6 ± 3,3) Mpc [1] |
| Durchmesser | 70.000 Lj[4] |
| Geschichte | |
| Entdeckung | John Herschel |
| Entdeckungsdatum | 1. November 1834 |
| Katalogbezeichnungen | |
| NGC 7408 • PGC 70037 • ESO 109-026 • 2MASX J22555688-6341411 • LDCE 1526 NED014 | |
NGC 7408 ist eine Balken-Spiralgalaxie vom Hubble-Typ SBc im Sternbild Tukan am Südsternhimmel. Sie ist schätzungsweise 152 Millionen Lichtjahre von der Milchstraße entfernt.
Das Objekt wurde am 1. November 1834 von dem Astronomen John Herschel entdeckt.[5]
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