NGC 7103
| Galaxie NGC 7103 | |
|---|---|
| AladinLite | |
| Sternbild | Steinbock |
| Position Äquinoktium: J2000.0, Epoche: J2000.0 | |
| Rektaszension | 21h 39m 51,5s [1] |
| Deklination | −22° 28′ 26″ [1] |
| Erscheinungsbild | |
| Morphologischer Typ | cD;E+1[1] |
| Helligkeit (visuell) | 14,3 mag[2] |
| Helligkeit (B-Band) | 15,3 mag[2] |
| Winkelausdehnung | 1.4 × 1.2[2] |
| Positionswinkel | 63°[2] |
| Flächenhelligkeit | 14,9 mag/arcmin²[2] |
| Physikalische Daten | |
| Zugehörigkeit | Abell S 963[1] |
| Rotverschiebung | 0,032412 ± 0,000177[1] |
| Radialgeschwindigkeit | (9717 ± 53) km/s[1] |
| Hubbledistanz H0 = 73 km/(s • Mpc) |
(437 ± 31)e6 Lj (134,1 ± 9,4) Mpc [1] |
| Geschichte | |
| Entdeckung | Frank Muller |
| Entdeckungsdatum | 1886 |
| Katalogbezeichnungen | |
| NGC 7103 • PGC 67124 • ESO 531-015 • 2MASX J21395143-2228251 • LDCE 1473 | |
NGC 7103 ist eine elliptische Galaxie vom Hubble-Typ E1 im Sternbild Steinbock am Südsternhimmel. Sie ist schätzungsweise 437 Millionen Lichtjahre von der Milchstraße entfernt.
Das Objekt wurde im Jahre 1886 von Frank Muller entdeckt.[3]
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