GMTIFS IFS Performance Calculator

Engineering Mode 
IFS Parameters
Spectrograph:
Spaxel Scale
Grating
Exposure:
Exposure time per coadd sec. Number of coadds 
Adjust exposure time and coadds to avoid saturation
Sky frames averaged 
Summing aperture diameter   mas
Target:
Magnitude System:        AB mag    Vega mag   
Star brightness   mag
AO System Performance:       Strehl ratio 
Galaxy brightness   mag/arcsec2
Line brightness   erg/s/cm2/arcsec2
Line FWHM   km/s
    
IFS Results
Adopted integration time per coadd   s
Adopted number of coadds 
Star signal   e-/pix
Fraction of star in aperture  
Number of spaxels  
Galaxy signal   e-/pix
Line signal   e-/pix
Sky thermal signal   e-/pix
Sky OH continuum signal  e-/pix
Sky OH line signal   e-/pix
Telescope thermal signal   e-/pix
Dewar signal   e-/pix
Dark signal   e-/pix
Fowler sampling pairs  
Total signal   e-/pix
Total noise   e-/pix
Average Signal-to-noise ratio   /spaxel
Total Signal-to-noise ratio   /aperture


This tool models the performance of the Giant Magellan Telescope Integral-Field Spectrograph (GMTIFS).
Last updated June 2018.
Research School of Astronomy and Astrophysics, The Australian National University.