IC 4561
| Galaxie IC 4561 | |
|---|---|
| SDSS-Aufnahme | |
| AladinLite | |
| Sternbild | Schlange |
| Position Äquinoktium: J2000.0, Epoche: J2000.0 | |
| Rektaszension | 15h 36m 47,0s [1] |
| Deklination | +25° 25′ 01″ [1] |
| Erscheinungsbild | |
| Morphologischer Typ | S0/a?[2] |
| Helligkeit (visuell) | 14,4 mag[2] |
| Helligkeit (B-Band) | 15,2 mag[2] |
| Winkelausdehnung | 0,4′ × 0,2′[2] |
| Positionswinkel | 135°[2] |
| Flächenhelligkeit | 11,5 mag/arcmin²[2] |
| Physikalische Daten | |
| Rotverschiebung | 0.034125 ± 0.000012[1] |
| Radialgeschwindigkeit | (10230 ± 4) km/s[1] |
| Hubbledistanz H0 = 73 km/(s • Mpc) |
(462 ± 32)e6 Lj (141,5 ± 9,9) Mpc [1] |
| Geschichte | |
| Entdeckung | Stéphane Javelle |
| Entdeckungsdatum | 24. Juli 1903 |
| Katalogbezeichnungen | |
| IC 4561 • PGC 55610 • CGCG 136-030 NED01 • MCG +04-37-011 • 2MASX J15364705+2525004 • | |
IC 4561 ist eine linsenförmige Galaxie vom Hubble-Typ S0/a? im Sternbild Schlange am Nordsternhimmel. Sie ist schätzungsweise 324 Millionen Lichtjahre von der Milchstraße entfernt.
Das Objekt wurde am 24. Juli 1903 von Stéphane Javelle entdeckt.[3]
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