SAO Exposure Time Calculator - Version 0.5
Help
Instrument & Mode
Spectrum Type
Boxcar Smooth Pixels
Angstroms per pixel :
Arcsec per pixel :
File AB Mag
Redshift
AB Mag in observed band
Source Effective Radius
arcsec
Transmission Cut
Exposure Time
sec
Bkgd exp per object exp
Seeing
arcsec
Subexposure Time
sec
Moon Phase
Dark
Grey
Bright
Mask Sky
Aperture Type
Round
Square
Rectangular
Ap Width
arcsec
Ap Height
arcsec
Bkgd Ap Type
Round
Square
Rectangular
Bkgd Ap Width
arcsec
Bkgd Ap Height
arcsec
SNR / Res Element vs. Wavelength (microns)
Counts / Pixel vs. Wavelength (microns)