NGC 3988
| Galaxie NGC 3988 | |
|---|---|
| |
| SDSS-Aufnahme | |
| AladinLite | |
| Sternbild | Löwe |
| Position Äquinoktium: J2000.0, Epoche: J2000.0 | |
| Rektaszension | 11h 57m 48,2s [1] |
| Deklination | +25° 16′ 14″ [1] |
| Erscheinungsbild | |
| Morphologischer Typ | E[1] |
| Helligkeit (visuell) | 13,6 mag[2] |
| Helligkeit (B-Band) | 14,6 mag[2] |
| Winkelausdehnung | 0,9′ × 0,8′[2] |
| Positionswinkel | 42°[2] |
| Flächenhelligkeit | 13,3 mag/arcmin²[2] |
| Physikalische Daten | |
| Rotverschiebung | 0.021802 ±0.000077[1] |
| Radialgeschwindigkeit | (6536 ±23) km/s[1] |
| Hubbledistanz H0 = 73 km/(s • Mpc) |
(291 ± 21)e6 Lj (89,3 ± 6,3) Mpc [1] |
| Geschichte | |
| Entdeckung | John Herschel |
| Entdeckungsdatum | 13. April 1831 |
| Katalogbezeichnungen | |
| NGC 3988 • PGC 37609 • CGCG 157-061 • MCG +05-28-057 • 2MASX J11572422+2752386 • | |
NGC 3988 ist eine elliptische Galaxie vom Hubble-Typ E im Sternbild Löwe auf der Ekliptik. Sie ist schätzungsweise 291 Millionen Lichtjahre von der Milchstraße entfernt.
Das Objekt wurde am 13. April 1831 von John Herschel entdeckt.[3]
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