IC 4448
| Galaxie IC 4448 | |
|---|---|
| |
| AladinLite | |
| Sternbild | Paradiesvogel |
| Position Äquinoktium: J2000.0, Epoche: J2000.0 | |
| Rektaszension | 14h 40m 27,9s [1] |
| Deklination | −78° 48′ 33″ [1] |
| Erscheinungsbild | |
| Morphologischer Typ | (R)SB(s)d / pec?[1] |
| Helligkeit (visuell) | 13,3 mag[2] |
| Helligkeit (B-Band) | 13,9 mag[2] |
| Winkelausdehnung | 1′ × 0,8′[2] |
| Positionswinkel | 168°[2] |
| Flächenhelligkeit | 12,9 mag/arcmin²[2] |
| Physikalische Daten | |
| Rotverschiebung | 0.015427 ± 0.000080[1] |
| Radialgeschwindigkeit | (4625 ± 24) km/s[1] |
| Hubbledistanz H0 = 73 km/(s • Mpc) |
(199 ± 14)e6 Lj (61 ± 4,3) Mpc [1] |
| Geschichte | |
| Entdeckung | DeLisle Stewart |
| Entdeckungsdatum | 19. Juni 1900 |
| Katalogbezeichnungen | |
| IC 4448 • PGC 52426 • ESO 022-002 • IRAS 14343-7835 • 2MASX J14402798-7848329 • SGC 143422-7835.7 • | |
IC 4448 ist eine Balken-Spiralgalaxie vom Hubble-Typ SBd im Sternbild Paradiesvogel am Südsternhimmel. Sie ist schätzungsweise 199 Millionen Lichtjahre von der Milchstraße entfernt und hat einen Durchmesser von etwa 60.000 Lj.
Das Objekt wurde am 19. Juni 1900 von DeLisle Stewart entdeckt.[3]
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