NGC 5256
| Galaxie NGC 5256 | |
|---|---|
| Aufnahme des Hubble-Weltraumteleskops | |
| AladinLite | |
| Sternbild | Großer Bär |
| Position Äquinoktium: J2000.0, Epoche: J2000.0 | |
| Rektaszension | 13h 38m 17,5s [1] |
| Deklination | +48° 16′ 37″ [1] |
| Erscheinungsbild | |
| Morphologischer Typ | Pec;Sy2;LIRG Sbrst[1] |
| Helligkeit (visuell) | 13,1 mag[2] |
| Helligkeit (B-Band) | 13,9 mag[2] |
| Winkelausdehnung | 1,2′ × 1,1′[2] |
| Positionswinkel | 30°[2] |
| Flächenhelligkeit | 13,3 mag/arcmin²[2] |
| Physikalische Daten | |
| Rotverschiebung | 0.027863 ± 0.000043[1] |
| Radialgeschwindigkeit | (8353 ± 13) km/s[1] |
| Hubbledistanz H0 = 73 km/(s • Mpc) |
(377 ± 26)e6 Lj (115,7 ± 8,1) Mpc [1] |
| Geschichte | |
| Entdeckung | Wilhelm Herschel |
| Entdeckungsdatum | 12. Mai 1787 |
| Katalogbezeichnungen | |
| NGC 5256 • UGC 8632 • PGC 48192 • CGCG 246-021 • MCG +08-25-031 • IRAS 13362+4831 • Mrk 266 • GC 3623 • H III 673 • h 1656 • KCPG 388A • I Zw 67 | |
NGC 5256 sind zwei kollidierende Galaxien im Sternbild Großer Bär, welche etwa 377 Millionen Lichtjahre von der Milchstraße entfernt sind.
Das Objekt wurde am 12. Mai 1787 von dem deutsch-britischen Astronomen Friedrich Wilhelm Herschel entdeckt.[3]
Weblinks
Commons: NGC 5256 – Sammlung von Bildern, Videos und Audiodateien
Einzelnachweise
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