Open Access
Algorithm 2
Active region updates
1: for nregion = 1, 2,… N do |
2: for ttimestep = 1, 2,…, T do |
3: Localize (lat, long, i, ph). |
4: if Localize = 1 then |
5: Shift Squiet(λ) with velocity velX,Y. Squiet (λ) → Squiet (λ′). |
6: Do linear interpolation to project the spectrum back to the original wavelength space. Squiet(λ′) → S′quiet(λ) |
7: Weight S′quiet(λ) by limb-darkening intensity IX,Y |
8: Shift Sactive(λ) with velocity velX,Y. Sactive(λ) → Sactive (λ′). |
9: Do linear interpolation to project the spectrum back to the original wavelength space. Sactive(λ′) → S′active (λ) |
10: Weight S′active (λ) by limb-darkening intensity IX,Y |
11: Use Eqs. (1)–(3) to calculate the difference of each effect |
12: end if |
13: Compute summation of ∆S′(X, Y) for each effect. |
14: end for |
15: end for |
16: for ttimestep = 1,2,…,T do |
17: for nregion = 1,2,…N do |
18: Use Eq. (4) to update final spectrum at tT. |
19: Lower the resolution of final spectrum at tT to match the HARPS-N observation. |
20: end for |
21: end for |
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