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ESO Exposure Time Calculators

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Exposure Time Calculators (ETCs) give astronomers the ability to predict the signal to noise ratio - or conversely, the exposure time to achieve it - under a set of assumptions about the performance of an instrument and the observing conditions.

Documentation and Tools


 
               ESO Exposure Time Calculators
Imaging Spectroscopy
La Silla EFOSC2  SUSI  2p2 WFI  SOFI  EFOSC2  HARPS  FEROS  SOFI 
Paranal UT1 FORS2  FORS2  KMOS  CRIRES 
Paranal UT2   UVES  FLAMES  GIRAFFE 
Paranal UT3 VIMOS  VIMOS-MOS  VIMOS-IFU  X-SHOOTER 
Paranal UT4 NACO  HAWK-I  NACO  SINFONI  MUSE 
Paranal VISTA VIRCAM   
Paranal VST OmegaCAM   
E-ELT E-ELT  E-ELT 
VLTI VisCalc  CalVin 

Notes

The KMOS ETC and the VLTI calibrator selector tool CalVin were updated on July 2, 2014


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