ESO Exposure Time Calculators     

Documentation and Tools News and Notes
  • Frequently Asked Questions
  • Formula Book
  • Database of efficiency profiles
  • Previous ETC versions:
  • SkyCalc Sky Model Calculator
    - with advanced Almanac
    - command-line interface skycalc_cli
  P110 - March 16, 2022

CRIRES ETC released for P110
- Correction in calculation of max. signal in central pixel
- Polarisation: The results refer to both polarized beams as
  opposed to one beam in the previous version
- Corrected the throughput in the circular polarimetry mode
ESO Exposure Time Calculators
Imaging Spectroscopy
La Silla EFOSC2  SUSI  WFI  SOFI  EFOSC2  HARPS  FEROS  SOFI 
Paranal UT1 FORS2 FORS2  KMOS 
Paranal UT2 VISIR UVES  UVES-FLAMES   GIRAFFE  VISIR 
Paranal UT3 SPHERE-IRDIS   SPHERE-ZIMPOL   X-SHOOTER   SPHERE-IFS   CRIRES
Paranal UT4 HAWK-I  MUSE 
Paranal ICCF   ESPRESSO
Paranal VISTA VIRCAM  4MOST
Paranal VST OmegaCAM   
ELT ELT  ELT 
VLTI GRAVITY  MATISSE  VisCalc  CalVin 

Send comments and questions via https://support.eso.org/