NGC 7656
| Galaxie NGC 7656 | |
|---|---|
| AladinLite | |
| Sternbild | Wassermann |
| Position Äquinoktium: J2000.0, Epoche: J2000.0 | |
| Rektaszension | 23h 24m 31,4s [1] |
| Deklination | −19° 03′ 33″ [1] |
| Erscheinungsbild | |
| Morphologischer Typ | S0p[1] |
| Helligkeit (visuell) | 13,4 mag[2] |
| Helligkeit (B-Band) | 14,4 mag[2] |
| Winkelausdehnung | 1,2' × 1,1'[1] |
| Positionswinkel | 50° |
| Flächenhelligkeit | 13,6 mag/arcmin²[2] |
| Physikalische Daten | |
| Rotverschiebung | 0,025287 ± 0,000107[1] |
| Radialgeschwindigkeit | (7581 ± 32) km/s[1] |
| Hubbledistanz H0 = 73 km/(s • Mpc) |
(341 ± 24)e6 Lj (104,7 ± 7,3) Mpc [1] |
| Geschichte | |
| Entdeckung | Francis Leavenworth |
| Entdeckungsdatum | 9. Oktober 1885 |
| Katalogbezeichnungen | |
| NGC 7655 • PGC 71357 • ESO 605-005 • MCG -03-59-008 • 2MASX J23243143-1903329 • VV 669 • | |
NGC 7656 ist eine linsenförmige Galaxie vom Hubble-Typ S0 im Sternbild Wassermann. Sie ist schätzungsweise 341 Millionen Lichtjahre von der Milchstraße entfernt.
Das Objekt wurde am 9. Oktober 1885 von Francis Leavenworth entdeckt.[3]
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