TARdYS S/N Calculator v.1.2

This calculator simulates signal to noise versus magnitude. TARdYS works in Y band covering wavelength range of 0.85-1.12 um. The simulation is based on the location of the University of Tokyo Atacama Observatory (TAO) at the summit of Cerro Chanjnantor (5600 m).

Calculation Modes

S/N Calculation
S/N vs. Magnitude
S/N vs. Wavelength

Input Parameters

Exposure time [s]:
Number of Exposure:
Seeing (FWHM) [arcsec]:
Moon light:

Magnitude Range Range:

Emission Line

Rest Wavelength [um]:
Line Flux [1e-18 W m^-2]:
Doppler Shift [Km s^-1]:
Line Width [Km s^-1]:

Results

This calculator is an adapted version of IGRINS ETC (Huynh Anh N. Le et al. 2015).

Send questions and comments to surangkhanar@gmail.com