Open Access
Table 1
Relevant fixed parameters used to simulate the stellar activity within StarSim.
Parameter | Value | Units | Description |
---|---|---|---|
General | |||
λmin | 380 | nm | Lower boundary of spectral range of RV instrument |
λmax | 690 | nm | Upper boundary of spectral range of RV instrument |
tObs | 220 | days | Time span of simulations |
Δt | 60 | min | Time cadence |
Radial velocities | |||
ΔυCCF | 15 | km s−1 | CCF velocity range |
Mask | M2 | … | Spectral mask (G2 or K5 or M2) |
Star | |||
Teff | 3500 | K | Stellar effective temperature |
∆TSpot | 400 | K | Spot temperature contrast(1) |
Prot | 22 | d | Stellar rotation period |
R | 0.36 | R⊙ | Stellar radius |
log(g) | 5 | dex | Stellar surface gravity |
[Fe/H] | 0 | dex | Stellar metallicity |
[α/Fe] | 0 | dex | Stellar alpha element abundance |
i | 90 | deg | Axis inclination |
krot | 0 | deg day−1 | Stellar differential rotation |
Spots | |||
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0 | days | Spot lifetime standard deviation |
NSpot | 9 | … | Average number of spots on surface at any time |
Notes.(1) The spot temperature contrast for a dwarf star with Teff = 3500 K is based on the results of Andersen & Korhonen (2015) provided by their Fig. 2.
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