CFHT, Instruments, Spectroscopy, ESPaDOnS

Queued Service Observing with
ESPaDOnS: an Echelle SpectroPolarimetric Device
for the Observation of Stars at CFHT


Saturation and Exposure Times

A star of Catalog V magnitude...For the CCD Readout Mode...Will saturate with individual exposure times above...
0.0 Slow/Normal 4 sec
Fast 2 sec
1.0 Slow/Normal 11 sec
Fast 7 sec
2.0 Slow/Normal 30 sec
Fast 20 sec
3.0 Slow/Normal 75 sec
Fast 50 sec
4.0 Slow/Normal 180 sec (3 min)
Fast 120 sec (2 min)
5.0 Slow/Normal 480 sec (8 min)
Fast 320 sec
6.0 Slow/Normal 1200 sec (20 min)
Fast 800 sec
7.0 Slow/Normal 3000 sec (50 min)
Fast 2000 sec
8.0 Slow/Normal 7500 sec (125 min = 2h 05 min) - MAX possible
Fast 5100 sec (85 min)

Back to the QSO Mode page for ESPaDOnS
http://www.cfht.hawaii.edu/Instruments/Spectroscopy/Espadons/
This CFHT Web page is maintained by Nadine Manset (manset -=AT=- cfht.hawaii.edu)