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 | |||
 |
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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