Spectrograph
Exposure Time Calculators (ETC)
Spreadsheet
for compute limit magnitude detectivity of a given spectrograph
SimSpec V4 spreadsheet (for a classical reflective grating spectrograph) - revised by Ken Harrison
Download
SimSpec_V4_0.xls (english version)
Original SimSpec spreadsheet (for a classical reflective grating spectrograph)
ETC for transmission grating spectrograph
ETC for LHIRES III spectrograph
Click
here (special english tutorial page)
ETC for LISA spectrograph
Click
here for a special page about LISA ETC (english)
Some ressources about ETC methods on my website:
Parameters for compute a "classical" spectrograph (english and french text)
More about methods for compute performances of a classical spectrograph
How to compute the signal to noise ratio of a spectrograph (english version) - Version française ici