NGC 2308
| Galaxie NGC 2308 | |
|---|---|
| AladinLite | |
| Sternbild | Luchs |
| Position Äquinoktium: J2000.0, Epoche: J2000.0 | |
| Rektaszension | 06h 58m 37,6s [1] |
| Deklination | +45° 12′ 38″ [1] |
| Erscheinungsbild | |
| Morphologischer Typ | Sab[1] |
| Helligkeit (visuell) | 13,4 mag[2] |
| Helligkeit (B-Band) | 14,2 mag[2] |
| Winkelausdehnung | 1,8′ × 1,2′[2] |
| Positionswinkel | 170°[2] |
| Flächenhelligkeit | 14,1 mag/arcmin²[2] |
| Physikalische Daten | |
| Zugehörigkeit | LDCE 479[1] |
| Rotverschiebung | 0.019517 ± 0.000020[1] |
| Radialgeschwindigkeit | (5851 ± 6) km/s[1] |
| Hubbledistanz H0 = 73 km/(s • Mpc) |
(263 ± 18)e6 Lj (80,5 ± 5,6) Mpc [1] |
| Durchmesser | 140.000 Lj[3] |
| Geschichte | |
| Entdeckung | Edouard Stephan |
| Entdeckungsdatum | 13. Januar 1872 |
| Katalogbezeichnungen | |
| NGC 2308 • UGC 3618 • PGC 19949 • CGCG 234-037 • MCG +08-13-037 • 2MASX J06485080-6420080 • | |
NGC 2308 ist eine Spiralgalaxie vom Hubble-Typ Sab im Sternbild Luchs am Nordsternhimmel. Sie ist schätzungsweise 263 Millionen Lichtjahre von der Milchstraße entfernt.
Das Objekt wurde am 13. Januar 1872 von Edouard Stephan entdeckt.[4]
Die Supernova SN 2019vsq wurde hier beobachtet.[5]
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