IC 178
| Galaxie IC 178 | |
|---|---|
| AladinLite | |
| Sternbild | Andromeda |
| Position Äquinoktium: J2000.0, Epoche: J2000.0 | |
| Rektaszension | 01h 58m 54,9s [1] |
| Deklination | +36° 40′ 29″ [1] |
| Erscheinungsbild | |
| Morphologischer Typ | Sab[1] |
| Helligkeit (visuell) | 13,3 mag[2] |
| Helligkeit (B-Band) | 14,1 mag[2] |
| Winkelausdehnung | 1,3′ × 0,9′[2] |
| Positionswinkel | 161°[2] |
| Flächenhelligkeit | 13,3 mag/arcmin²[2] |
| Physikalische Daten | |
| Zugehörigkeit | LGG 37[3] |
| Rotverschiebung | 0.016138 ± 0.000012[1] |
| Radialgeschwindigkeit | (4838 ± 4) km/s[1] |
| Hubbledistanz H0 = 73 km/(s • Mpc) |
(222 ± 16)e6 Lj (68,1 ± 4,8) Mpc [1] |
| Durchmesser | 65.000 Lj[4] |
| Geschichte | |
| Entdeckung | Truman Henry Safford |
| Entdeckungsdatum | 8. November 1866 |
| Katalogbezeichnungen | |
| IC 178 • UGC 1456 • PGC 7488 • CGCG 522-94 • MCG +06-05-070 • IRAS 01559+3625 • LDCE 0115 NED039 | |
IC 178 ist eine Spiralgalaxie vom Hubble-Typ Sab im Sternbild Andromeda am Nordsternhimmel. Sie ist rund 222 Millionen Lichtjahre von der Milchstraße entfernt und einen Durchmesser von etwa 65.000 Lichtjahren.
Entdeckt wurde das Objekt am 8. November 1866 vom US-amerikanischen Astronomen Truman Henry Safford.[5]
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