SES new chip

SES new chip

lower-left quadrant showing the red half of a flat-field spectrum

05-06-2012

New 4kx4k E2V chip arrived for the SES.

A new 4kx4k E2V chip with a read-out noise as low as 1.5 e- was installed at the SES. Together with new crossdispersers, order-overlap at the very red end of the Echelle is now history.