A BESO 2048×4096 15 μ CCD image of the solar-type star α Cen obtained on 2010 April 5.
The échelle orders span 140 Å in the blue (bottom) and up to 310 Å at red wavelengths (top).
There are 36 échelle orders on each exposure that cover the range λλ3620–8530 Å (Fuhrmann et al. 2010). |
