NGC 2305
| Galaxie NGC 2305 | |
|---|---|
| NGC 2305 & NGC 2307 (u.) | |
| AladinLite | |
| Sternbild | Fliegender Fisch |
| Position Äquinoktium: J2000.0, Epoche: J2000.0 | |
| Rektaszension | 06h 48m 37,3s [1] |
| Deklination | −64° 16′ 24″ [1] |
| Erscheinungsbild | |
| Morphologischer Typ | E2: pec[1] |
| Helligkeit (visuell) | 11,8 mag[2] |
| Helligkeit (B-Band) | 12,8 mag[2] |
| Winkelausdehnung | 2,1′ × 1,5′[2] |
| Positionswinkel | 142°[2] |
| Flächenhelligkeit | 13,1 mag/arcmin²[2] |
| Physikalische Daten | |
| Zugehörigkeit | LDCE 466[1] |
| Rotverschiebung | 0.011671 ± 0.000067[1] |
| Radialgeschwindigkeit | (3499 ± 20) km/s[1] |
| Hubbledistanz H0 = 73 km/(s • Mpc) |
(147 ± 10)e6 Lj (45,0 ± 3,2) Mpc [1] |
| Durchmesser | 90.000 Lj[3] |
| Geschichte | |
| Entdeckung | John Herschel |
| Entdeckungsdatum | 30. November 1834 |
| Katalogbezeichnungen | |
| NGC 2305 • PGC 19641 • ESO 087-044 • 2MASX J06483729-6416240 • AM 0648-641 NED01 • | |
NGC 2305 ist eine elliptische Galaxie vom Hubble-Typ E2/P im Sternbild Fliegender Fisch am Südsternhimmel. Sie ist schätzungsweise 147 Millionen Lichtjahre von der Milchstraße entfernt.
Das Objekt wurde am 30. November 1834 von John Herschel entdeckt.[4]
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