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Table 3

Orbital and derived planetary parameters from the analysis of Gl 480.

SPIRou Optical ALL Priors Feng et al. (2020)
Instrumental Parameters
γS PIRou (m s−1) −4176.4−1.0+1.1$\[-4176.4_{-1.0}^{+1.1}\]$ − −4176.1−1.0+1.0$\[-4176.1_{-1.0}^{+1.0}\]$ 𝒰(−1010, 1010) −
γCARMENES (m s−1) − 0.3−3.3+3.0$\[0.3_{-3.3}^{+3.0}\]$ 0.05−2.8+2.5$\[0.05_{-2.8}^{+2.5}\]$ 𝒰(−1010, 1010) −
γHARPS (m s−1) − 2.1−3.0+3.4$\[2.1_{-3.0}^{+3.4}\]$ 2.1−2.8+2.8$\[2.1_{-2.8}^{+2.8}\]$ 𝒰(−1010, 1010) −
σS PIRou (m s−1) 2.4−0.5+0.4$\[2.4_{-0.5}^{+0.4}\]$ − 1.9−0.4+0.5$\[1.9_{-0.4}^{+0.5}\]$ ℳℒ𝒰 (yσ, 2yptp) −
σCARMENES (m s−1) − 0.1−0.1+0.5$\[0.1_{-0.1}^{+0.5}\]$ 0.08−0.1+0.5$\[0.08_{-0.1}^{+0.5}\]$ ℳℒ𝒰 (yσ, 2yptp) −
σHARPS (m s−1) − 1.6−0.6+0.6$\[1.6_{-0.6}^{+0.6}\]$ 0.8−0.7+0.7$\[0.8_{-0.7}^{+0.7}\]$ ℳℒ𝒰 (yσ, 2yptp) −
Wapiti Systematic
a1 (m/s) 16.6−8.1+8.0$\[16.6_{-8.1}^{+8.0}\]$ − 18.0−7.8+7.5$\[18.0_{-7.8}^{+7.5}\]$ 𝒰(−102, 102)
GP Parameters
AS PIRou (m s−1) 4.3−1.3+2.9$\[4.3_{-1.3}^{+2.9}\]$ − 4.4−0.6+0.8$\[4.4_{-0.6}^{+0.8}\]$ ℳℒ𝒰 (yσ, 2yptp) −
λS PIRou (days) 563.6−359.8+1049.2$\[563.6_{-359.8}^{+1049.2}\]$ − 69.4−19.8+20.8$\[69.4_{-19.8}^{+20.8}\]$ PosteriordLW −
ΓS PIRou 1.0−0.7+1.4$\[1.0_{-0.7}^{+1.4}\]$ − 4.9−2.3+3.6$\[4.9_{-2.3}^{+3.6}\]$ PosteriordLW −
Prot,S PIRou (days) 49.7−0.7+0.8$\[49.7_{-0.7}^{+0.8}\]$ − 51.6−1.4+1.2$\[51.6_{-1.4}^{+1.2}\]$ PosteriordLW −
AOptical (m s−1) − 4.3−1.3+2.9$\[4.3_{-1.3}^{+2.9}\]$ 4.2−1.2+2.6$\[4.2_{-1.2}^{+2.6}\]$ ℳℒ𝒰 (yσ, 2yptp) −
λOptical (days) − 563.6−359.8+1049.2$\[563.6_{-359.8}^{+1049.2}\]$ 438−269+613$\[438_{-269}^{+613}\]$ ℒ𝒰 (δtav, 10tspan) −
ΓOptical − 1.0−0.7+1.4$\[1.0_{-0.7}^{+1.4}\]$ 1.3−0.9+2.0$\[1.3_{-0.9}^{+2.0}\]$ ℒ𝒰 (.1, 5) −
Prot,Optical (days) − 49.7−0.7+0.8$\[49.7_{-0.7}^{+0.8}\]$ 50.0−0.8+0.8$\[50.0_{-0.8}^{+0.8}\]$ 𝒰(1, 103) −
Orbital Parameters
Pb (days) 9.548−0.005+0.005$\[9.548_{-0.005}^{+0.005}\]$ 9.553−0.003+0.003$\[9.553_{-0.003}^{+0.003}\]$ 9.5536−0.0006+0.0006$\[9.5536_{-0.0006}^{+0.0006}\]$ 𝒰(1, 104) 9.567 ± 0.005
Kb (m s−1) 3.6−0.5+0.5$\[3.6_{-0.5}^{+0.5}\]$ 5.0−0.5+0.5$\[5.0_{-0.5}^{+0.5}\]$ 4.5−0.3+0.3$\[4.5_{-0.3}^{+0.3}\]$ 𝒰 (0, 2yptp) 6.80 ± 0.87
T b (MJD) 59430.1−0.2+0.2$\[59430.1_{-0.2}^{+0.2}\]$ 55627.8−0.2+0.2$\[55627.8_{-0.2}^{+0.2}\]$ 58446.0−0.1+0.1$\[58446.0_{-0.1}^{+0.1}\]$ 𝒰(−1010, 1010) −
eb − − − − 0.10 ± 0.7
Pc (days) − − 6.4349−0.0006+0.0006$\[6.4349_{-0.0006}^{+0.0006}\]$ 𝒰(1, 104) −
Kc (m s−1) − − 1.6−0.3+0.3$\[1.6_{-0.3}^{+0.3}\]$ 𝒰 (0, 2yptp) −
Tc (MJD) − − 58443.3−0.2+0.2$\[58443.3_{-0.2}^{+0.2}\]$ 𝒰(−1010, 1010) −
Derived Parameters
Mp,b sin i (M⊕) 7.1−1.0+1.0$\[7.1_{-1.0}^{+1.0}\]$ 9.7−1.0+1.1$\[9.7_{-1.0}^{+1.1}\]$ 8.8−0.7+0.7$\[8.8_{-0.7}^{+0.7}\]$ − 13.2 ± 1.7
ab (AU) 0.068−0.001+0.001$\[0.068_{-0.001}^{+0.001}\]$ 0.068−0.001+0.001$\[0.068_{-0.001}^{+0.001}\]$ 0.068−0.001+0.001$\[0.068_{-0.001}^{+0.001}\]$ − 0.068 ± 0.001
Teq,b (K) 406−6+6$\[406_{-6}^{+6}\]$ 406−6+6$\[406_{-6}^{+6}\]$ 406−6+6$\[406_{-6}^{+6}\]$ − −
Mp,c sin i (M⊕) − − 2.7−0.6+0.6$\[2.7_{-0.6}^{+0.6}\]$ − −
ac (AU) − − 0.052−0.001+0.001$\[0.052_{-0.001}^{+0.001}\]$ − −
Teq,c (K) − − 463−7+7$\[463_{-7}^{+7}\]$ − −

Notes. The parameters derived from the Wapiti corrected RV data from SPIRou are compared to those from Feng et al. (2020) using HARPS and HIRES spectrographs. The parameters derived by combining all data sets including the few CARMENES data correspond to the ALL column. We also show for completeness the eccentricity e and argument of periastron ω from the Keplerian fit conducted in Feng et al. (2020).

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