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NGC 4939
NGC 4939 is a very pretty example of a spiral galaxy. The arms of this galaxy are unusually thin and long. There are many starforming regions dotting the spiral arms- but at a distance of 130 million light years away the majority of them are quite dim. If this galaxy was viewed face-on it would appear nearly circular- not unlike NGC 488. NGC is also considered an active galaxy because its nucleus varies in intensity on relatively short timescales and it has had two recorded supernovae events (back in 1968 and 1973).
This image was taken as part of Advanced Observing Program (AOP) program at Kitt Peak Visitor Center during 2014.
Créditos:KPNO/NOIRLab/NSF/AURA/Adam Block
About the Image
| Id: | noao-n4939block |
| Tipo: | Observation |
| Release date: | 3 de Abril de 2014 a las 12:26 |
| Size: | 1433 x 1083 px |
Sobre el Objeto
Fondos de Pantalla
Coordenadas
| Posición (AR): | 13 4 12.11 |
| Posición (Dec): | -10° 17' 40.27" |
| Campo visual: | 10.73 x 8.13 arcminutes |
| Orientación: | North is 99.9° right of vertical |
Ver en el Telescopio WorldWide:
Colores y Filtros
| Banda | Longitud de Onda | Telescopio |
|---|---|---|
| Optical B | 438 nm | Visitor Center 0.5-meter Telescope Other CCD |
| Optical G | 475 nm | Visitor Center 0.5-meter Telescope Other CCD |
| Optical R | 625 nm | Visitor Center 0.5-meter Telescope Other CCD |
| Optical Broad Band | 555 nm | Visitor Center 0.5-meter Telescope Other CCD |