MODHIS/HISPEC Observing Scenario Simulator

Signal-to-Noise Ratio (SNR) Calculator

Exposure Time Calculator

Object Properties

On-axis Object Temperature (K) (200-12000)

On-axis Object Magnitude (Vega)

Vsini of On-axis Object (km/s)

RV of On-axis Object (km/s)

Off-axis Object Temperature (K) (200-12000)

Off-axis Object Magnitude (Vega)

Vsini of Off-axis Object (km/s)

Angular Separation Between Objects (mas)

Exposure Setting

Exposure Time (s)

Calculation Details

For object's model spectrum, temperatures above 2200K will load Phoenix and temperatures below 2200K will load Sonora. For the method used for CCF SNR, see compute_ccf_snr_matchedfilter in PSI-sim. For special cases or custom simulations, please refer Specsim.

Signal-to-Noise Ratio (SNR) Calculator

Object Properties

Filter for Object Magnitude Definition

Instrument & Sky Setting

Exposure Setting

Task Status

y Band CCF SNR:

J Band CCF SNR:

H Band CCF SNR:

K Band CCF SNR:

Calculation Details