HARPS3 Exposure Time Calculator
Select spectrum
Select a sample stellar spectrum:
T_eff=4250K | log(g)=4.5 | [M/H]=00 | micro_turbulent_velocity=2km/s
T_eff=4250K | log(g)=4.5 | [M/H]=+05 | micro_turbulent_velocity=2km/s
T_eff=4250K | log(g)=4.5 | [M/H]=-05 | micro_turbulent_velocity=2km/s
T_eff=4500K | log(g)=4.5 | [M/H]=00 | micro_turbulent_velocity=2km/s
T_eff=4500K | log(g)=4.5 | [M/H]=+05 | micro_turbulent_velocity=2km/s
T_eff=4500K | log(g)=4.5 | [M/H]=-05 | micro_turbulent_velocity=2km/s
T_eff=4750K | log(g)=4.5 | [M/H]=00 | micro_turbulent_velocity=2km/s
T_eff=4750K | log(g)=4.5 | [M/H]=+05 | micro_turbulent_velocity=2km/s
T_eff=4750K | log(g)=4.5 | [M/H]=-05 | micro_turbulent_velocity=2km/s
T_eff=5000K | log(g)=4.5 | [M/H]=00 | micro_turbulent_velocity=2km/s
T_eff=5000K | log(g)=4.5 | [M/H]=+05 | micro_turbulent_velocity=2km/s
T_eff=5000K | log(g)=4.5 | [M/H]=-05 | micro_turbulent_velocity=2km/s
T_eff=5250K | log(g)=4.5 | [M/H]=00 | micro_turbulent_velocity=2km/s
T_eff=5250K | log(g)=4.5 | [M/H]=+05 | micro_turbulent_velocity=2km/s
T_eff=5250K | log(g)=4.5 | [M/H]=-05 | micro_turbulent_velocity=2km/s
T_eff=5500K | log(g)=4.5 | [M/H]=00 | micro_turbulent_velocity=2km/s
T_eff=5500K | log(g)=4.5 | [M/H]=+05 | micro_turbulent_velocity=2km/s
T_eff=5500K | log(g)=4.5 | [M/H]=-05 | micro_turbulent_velocity=2km/s
T_eff=5750K | log(g)=4.5 | [M/H]=00 | micro_turbulent_velocity=2km/s
T_eff=5750K | log(g)=4.5 | [M/H]=+05 | micro_turbulent_velocity=2km/s
T_eff=5750K | log(g)=4.5 | [M/H]=-05 | micro_turbulent_velocity=2km/s
T_eff=6000K | log(g)=4.5 | [M/H]=00 | micro_turbulent_velocity=2km/s
T_eff=6000K | log(g)=4.5 | [M/H]=+05 | micro_turbulent_velocity=2km/s
T_eff=6000K | log(g)=4.5 | [M/H]=-05 | micro_turbulent_velocity=2km/s
Magnitude (V band)
Exposure Time (seconds)
Seeing (arcsec)
Airmass
Run ETC
Author: Clark Edward Baker, ceb234@cam.ac.uk.