NGC 815
NGC 815 ist ein interagierendes Galaxienpaar im Sternbild Walfisch des New General Catalogue.
| Galaxie NGC 815 | |
|---|---|
| SDSS-Aufnahme | |
| AladinLite | |
| Sternbild | Walfisch |
| Position Äquinoktium: J2000.0, Epoche: J2000.0 | |
| Rektaszension | 02h 10m 39,4s [1] |
| Deklination | −15° 48′ 46″ [1] |
| Erscheinungsbild | |
| Morphologischer Typ | S0? + S0?[1] |
| Helligkeit (visuell) | 15,5 mag[2] |
| Helligkeit (B-Band) | 16,5 mag[2] |
| Winkelausdehnung | 0,44′ × 0,26′[2] |
| Positionswinkel | 135°[2] |
| Flächenhelligkeit | 12,6 mag/arcmin²[2] |
| Physikalische Daten | |
| Rotverschiebung | ?[1] |
| Radialgeschwindigkeit | 16080 km/s[1] |
| Hubbledistanz H0 = 73 km/(s • Mpc) |
|
| Entfernung | ~ 750 Mio. Lj / ? pc [1] |
| Geschichte | |
| Entdeckung | Ormond Stone |
| Entdeckungsdatum | 1886 |
| Katalogbezeichnungen | |
| NGC 815 • PGC 906183 • | |
NGC 815 ist ein interagierendes Galaxienpaar im Sternbild Walfisch des New General Catalogue.
Das Galaxienpaar wurde von dem US-amerikanischen Astronomen Ormond Stone im Jahr 1886 mithilfe eines 26-Zoll-Teleskops entdeckt.[3]
Weblinks
Commons: NGC 815 – Sammlung von Bildern, Videos und Audiodateien
Einzelnachweise
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