IC 984
| Galaxie IC 984 | |
|---|---|
| |
| SDSS-Aufnahme | |
| AladinLite | |
| Sternbild | Bärenhüter |
| Position Äquinoktium: J2000.0, Epoche: J2000.0 | |
| Rektaszension | 14h 10m 07,7s [1] |
| Deklination | +17° 44′ 02″ [1] |
| Erscheinungsbild | |
| Morphologischer Typ | Sb[1] |
| Helligkeit (visuell) | 13,6 mag[2] |
| Helligkeit (B-Band) | 14,4 mag[2] |
| Winkelausdehnung | 1,9′ × 0,5′[2] |
| Positionswinkel | 35°[2] |
| Flächenhelligkeit | 13,4 mag/arcmin²[2] |
| Physikalische Daten | |
| Zugehörigkeit | LGG 376[3] |
| Rotverschiebung | 0.017045 ± 0.000030[1] |
| Radialgeschwindigkeit | (5110 ± 9) km/s[1] |
| Hubbledistanz H0 = 73 km/(s • Mpc) |
(229 ± 16)e6 Lj (70,3 ± 4,9) Mpc [1] |
| Geschichte | |
| Entdeckung | Stéphane Javelle |
| Entdeckungsdatum | 27. Mai 1891 |
| Katalogbezeichnungen | |
| IC 984 • UGC 9062 • PGC 50580 • CGCG 103-099 • MCG +03-36-070 • 2MASX J14100775+1821520 • LDCE 1039 NED004 | |
IC 984 ist eine Spiralgalaxie vom Hubble-Typ Sb im Sternbild Bärenhüter am Nordsternhimmel. Sie ist schätzungsweise 229 Millionen Lichtjahre von der Milchstraße entfernt.
Das Objekt wurde am 27. Mai 1891 von dem französischen Astronomen Stéphane Javelle entdeckt.[4]
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