NGC 6855
| Galaxie NGC 6855 | |
|---|---|
| |
| NGC 6855 (o.) & 2MASX J20065644-5625175 | |
| AladinLite | |
| Sternbild | Teleskop |
| Position Äquinoktium: J2000.0, Epoche: J2000.0 | |
| Rektaszension | 20h 06m 49,9s [1] |
| Deklination | −56° 23′ 24″ [1] |
| Erscheinungsbild | |
| Morphologischer Typ | (R)SB(rl)0^+[1] |
| Helligkeit (visuell) | 12,9 mag[2] |
| Helligkeit (B-Band) | 13,8 mag[2] |
| Winkelausdehnung | 1,5′ × 1,3′[2] |
| Positionswinkel | 113°[2] |
| Flächenhelligkeit | 13,5 mag/arcmin²[2] |
| Physikalische Daten | |
| Zugehörigkeit | LGG 429[1][3] |
| Rotverschiebung | 0,014447 ± 0,000077[1] |
| Radialgeschwindigkeit | (4331 ± 23) km/s[1] |
| Hubbledistanz H0 = 73 km/(s • Mpc) |
(191 ± 13)e6 Lj (58,5 ± 4,1) Mpc [1] |
| Geschichte | |
| Entdeckung | John Herschel |
| Entdeckungsdatum | 10. Juli 1834 |
| Katalogbezeichnungen | |
| NGC 6855 • PGC 64116 • ESO 185-063 • 2MASX J20064991-5623236 • LDCE 1383 NED027 | |
NGC 6855 ist eine linsenförmige Galaxie vom Hubble-Typ SB0-a im Sternbild Teleskop am Südsternhimmel. Sie ist schätzungsweise 191 Millionen [Lichtjahr]e von der Milchstraße entfernt.
Das Objekt wurde am 10. Juli 1834 von John Herschel entdeckt.[4]
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