Table B1.

Summary of the best-fitting parameters of the QP GPR fits applied to c1 and B for the six M dwarfs in our sample and the comparison with the corresponding GPR results for B by D23 marked as D23 in the second column.

StarDataRotation periodDecay timeSmoothing factorAmplitudeWhite noiseRms|$\chi ^2_{\rm r}$|
Prot (d)l (d)βα (G)σ (G)(G)
Gl 905c1|$111.7^{+3.0}_{-3.2}$||$133^{+18}_{-22}$||$0.50^{+0.09}_{-0.07}$||$12.9^{+3.1}_{-2.1}$||$0.6^{+0.5}_{-0.4}$|3.80.79
Gl 905B|$114.4^{+3.5}_{-2.4}$||$130^{+25}_{-32}$||$0.44^{+0.12}_{-0.09}$||$14.1^{+3.5}_{-2.4}$||$1.2^{+1.1}_{-0.8}$|6.90.87
Gl 905D23114.3 ± 2.8|$129^{+25}_{-21}$|0.43 ± 0.09|$13.3^{+2.5}_{-2.1}$||$1.7^{+1.2}_{-0.7}$|6.20.84
GJ 1289c1|$75.62^{+0.85}_{-0.79}$||$129^{+26}_{-24}$|0.40 ± 0.05|$41.9^{+7.9}_{-6.0}$||$1.2^{+1.1}_{-0.8}$|6.90.72
GJ 1289B|$73.67^{+1.01}_{-0.91}$||$152^{+30}_{-28}$|0.48 ± 0.08|$53.3^{+11.7}_{-9.4}$||$3.2^{+2.4}_{-2.1}$|14.30.84
GJ 1289D2373.66 ± 0.92|$152^{+32}_{-27}$|0.48 ± 0.09|$53.2^{+12.4}_{-10.1}$||$4.2^{+2.7}_{-1.6}$|13.90.82
GJ 1151c1|$175.8^{+3.2}_{-3.4}$|300|$0.40^{+0.10}_{-0.09}$||$12.7^{+3.2}_{-2.4}$|3.3 ± 0.75.80.99
GJ 1151B|$176.1^{+3.6}_{-4.1}$|300|$0.42^{+0.10}_{-0.09}$||$14.6^{+3.4}_{-2.7}$||$1.1^{+1.1}_{-0.8}$|6.70.73
GJ 1151D23175.6 ± 4.93000.43 ± 0.11|$14.9^{+4.2}_{-3.3}$||$1.6^{+1.3}_{-0.7}$|6.70.72
GJ 1286c1|$186.8^{+9.5}_{-5.8}$|300|$0.23^{+0.05}_{-0.04}$||$18.0^{+4.3}_{-3.1}$||$2.7^{+1.5}_{-1.7}$|7.51.02
GJ 1286B|$181^{+18}_{-13}$|300|$0.28^{+0.13}_{-0.07}$||$17.2^{+6.2}_{-3.6}$||$3.9^{+2.3}_{-2.4}$|12.01.03
GJ 1286D23178 ± 153000.29 ± 0.09|$16.7^{+4.6}_{-3.6}$||$4.6^{+2.6}_{-1.6}$|10.11.02
Gl 617Bc1|$37.8^{+8.5}_{-2.6}$||$35^{+8}_{-4}$||$0.47^{+0.09}_{-0.05}$||$5.9^{+1.2}_{-0.8}$||$0.7^{+0.6}_{-0.5}$|2.20.66
Gl 617BB|$40.6^{+2.1}_{-4.4}$||$82^{+45}_{-30}$||$0.58^{+0.13}_{-0.11}$||$5.5^{+1.3}_{-1.1}$||$1.3^{+1.0}_{-0.9}$|5.00.86
Gl 617BD2340.4 ± 3.0|$69^{+35}_{-23}$|0.60 ± 0.22|$5.4^{+1.3}_{-1.0}$||$1.7^{+1.1}_{-0.7}$|4.90.86
Gl 408c1|$175^{+12}_{-14}$|200|$0.18^{+0.10}_{-0.05}$||$4.2^{+0.9}_{-0.8}$||$2.2^{+0.5}_{-0.6}$|3.91.19
Gl 408B|$170.7^{+7.1}_{-9.8}$|200|$0.22^{+0.13}_{-0.08}$||$6.3^{+1.6}_{-1.2}$||$1.0^{+1.0}_{-0.7}$|6.90.72
Gl 408D23171.0 ± 8.42000.21 ± 0.10|$6.3^{+1.5}_{-1.2}$||$1.5^{+1.2}_{-0.7}$|6.30.66
StarDataRotation periodDecay timeSmoothing factorAmplitudeWhite noiseRms|$\chi ^2_{\rm r}$|
Prot (d)l (d)βα (G)σ (G)(G)
Gl 905c1|$111.7^{+3.0}_{-3.2}$||$133^{+18}_{-22}$||$0.50^{+0.09}_{-0.07}$||$12.9^{+3.1}_{-2.1}$||$0.6^{+0.5}_{-0.4}$|3.80.79
Gl 905B|$114.4^{+3.5}_{-2.4}$||$130^{+25}_{-32}$||$0.44^{+0.12}_{-0.09}$||$14.1^{+3.5}_{-2.4}$||$1.2^{+1.1}_{-0.8}$|6.90.87
Gl 905D23114.3 ± 2.8|$129^{+25}_{-21}$|0.43 ± 0.09|$13.3^{+2.5}_{-2.1}$||$1.7^{+1.2}_{-0.7}$|6.20.84
GJ 1289c1|$75.62^{+0.85}_{-0.79}$||$129^{+26}_{-24}$|0.40 ± 0.05|$41.9^{+7.9}_{-6.0}$||$1.2^{+1.1}_{-0.8}$|6.90.72
GJ 1289B|$73.67^{+1.01}_{-0.91}$||$152^{+30}_{-28}$|0.48 ± 0.08|$53.3^{+11.7}_{-9.4}$||$3.2^{+2.4}_{-2.1}$|14.30.84
GJ 1289D2373.66 ± 0.92|$152^{+32}_{-27}$|0.48 ± 0.09|$53.2^{+12.4}_{-10.1}$||$4.2^{+2.7}_{-1.6}$|13.90.82
GJ 1151c1|$175.8^{+3.2}_{-3.4}$|300|$0.40^{+0.10}_{-0.09}$||$12.7^{+3.2}_{-2.4}$|3.3 ± 0.75.80.99
GJ 1151B|$176.1^{+3.6}_{-4.1}$|300|$0.42^{+0.10}_{-0.09}$||$14.6^{+3.4}_{-2.7}$||$1.1^{+1.1}_{-0.8}$|6.70.73
GJ 1151D23175.6 ± 4.93000.43 ± 0.11|$14.9^{+4.2}_{-3.3}$||$1.6^{+1.3}_{-0.7}$|6.70.72
GJ 1286c1|$186.8^{+9.5}_{-5.8}$|300|$0.23^{+0.05}_{-0.04}$||$18.0^{+4.3}_{-3.1}$||$2.7^{+1.5}_{-1.7}$|7.51.02
GJ 1286B|$181^{+18}_{-13}$|300|$0.28^{+0.13}_{-0.07}$||$17.2^{+6.2}_{-3.6}$||$3.9^{+2.3}_{-2.4}$|12.01.03
GJ 1286D23178 ± 153000.29 ± 0.09|$16.7^{+4.6}_{-3.6}$||$4.6^{+2.6}_{-1.6}$|10.11.02
Gl 617Bc1|$37.8^{+8.5}_{-2.6}$||$35^{+8}_{-4}$||$0.47^{+0.09}_{-0.05}$||$5.9^{+1.2}_{-0.8}$||$0.7^{+0.6}_{-0.5}$|2.20.66
Gl 617BB|$40.6^{+2.1}_{-4.4}$||$82^{+45}_{-30}$||$0.58^{+0.13}_{-0.11}$||$5.5^{+1.3}_{-1.1}$||$1.3^{+1.0}_{-0.9}$|5.00.86
Gl 617BD2340.4 ± 3.0|$69^{+35}_{-23}$|0.60 ± 0.22|$5.4^{+1.3}_{-1.0}$||$1.7^{+1.1}_{-0.7}$|4.90.86
Gl 408c1|$175^{+12}_{-14}$|200|$0.18^{+0.10}_{-0.05}$||$4.2^{+0.9}_{-0.8}$||$2.2^{+0.5}_{-0.6}$|3.91.19
Gl 408B|$170.7^{+7.1}_{-9.8}$|200|$0.22^{+0.13}_{-0.08}$||$6.3^{+1.6}_{-1.2}$||$1.0^{+1.0}_{-0.7}$|6.90.72
Gl 408D23171.0 ± 8.42000.21 ± 0.10|$6.3^{+1.5}_{-1.2}$||$1.5^{+1.2}_{-0.7}$|6.30.66
Table B1.

Summary of the best-fitting parameters of the QP GPR fits applied to c1 and B for the six M dwarfs in our sample and the comparison with the corresponding GPR results for B by D23 marked as D23 in the second column.

StarDataRotation periodDecay timeSmoothing factorAmplitudeWhite noiseRms|$\chi ^2_{\rm r}$|
Prot (d)l (d)βα (G)σ (G)(G)
Gl 905c1|$111.7^{+3.0}_{-3.2}$||$133^{+18}_{-22}$||$0.50^{+0.09}_{-0.07}$||$12.9^{+3.1}_{-2.1}$||$0.6^{+0.5}_{-0.4}$|3.80.79
Gl 905B|$114.4^{+3.5}_{-2.4}$||$130^{+25}_{-32}$||$0.44^{+0.12}_{-0.09}$||$14.1^{+3.5}_{-2.4}$||$1.2^{+1.1}_{-0.8}$|6.90.87
Gl 905D23114.3 ± 2.8|$129^{+25}_{-21}$|0.43 ± 0.09|$13.3^{+2.5}_{-2.1}$||$1.7^{+1.2}_{-0.7}$|6.20.84
GJ 1289c1|$75.62^{+0.85}_{-0.79}$||$129^{+26}_{-24}$|0.40 ± 0.05|$41.9^{+7.9}_{-6.0}$||$1.2^{+1.1}_{-0.8}$|6.90.72
GJ 1289B|$73.67^{+1.01}_{-0.91}$||$152^{+30}_{-28}$|0.48 ± 0.08|$53.3^{+11.7}_{-9.4}$||$3.2^{+2.4}_{-2.1}$|14.30.84
GJ 1289D2373.66 ± 0.92|$152^{+32}_{-27}$|0.48 ± 0.09|$53.2^{+12.4}_{-10.1}$||$4.2^{+2.7}_{-1.6}$|13.90.82
GJ 1151c1|$175.8^{+3.2}_{-3.4}$|300|$0.40^{+0.10}_{-0.09}$||$12.7^{+3.2}_{-2.4}$|3.3 ± 0.75.80.99
GJ 1151B|$176.1^{+3.6}_{-4.1}$|300|$0.42^{+0.10}_{-0.09}$||$14.6^{+3.4}_{-2.7}$||$1.1^{+1.1}_{-0.8}$|6.70.73
GJ 1151D23175.6 ± 4.93000.43 ± 0.11|$14.9^{+4.2}_{-3.3}$||$1.6^{+1.3}_{-0.7}$|6.70.72
GJ 1286c1|$186.8^{+9.5}_{-5.8}$|300|$0.23^{+0.05}_{-0.04}$||$18.0^{+4.3}_{-3.1}$||$2.7^{+1.5}_{-1.7}$|7.51.02
GJ 1286B|$181^{+18}_{-13}$|300|$0.28^{+0.13}_{-0.07}$||$17.2^{+6.2}_{-3.6}$||$3.9^{+2.3}_{-2.4}$|12.01.03
GJ 1286D23178 ± 153000.29 ± 0.09|$16.7^{+4.6}_{-3.6}$||$4.6^{+2.6}_{-1.6}$|10.11.02
Gl 617Bc1|$37.8^{+8.5}_{-2.6}$||$35^{+8}_{-4}$||$0.47^{+0.09}_{-0.05}$||$5.9^{+1.2}_{-0.8}$||$0.7^{+0.6}_{-0.5}$|2.20.66
Gl 617BB|$40.6^{+2.1}_{-4.4}$||$82^{+45}_{-30}$||$0.58^{+0.13}_{-0.11}$||$5.5^{+1.3}_{-1.1}$||$1.3^{+1.0}_{-0.9}$|5.00.86
Gl 617BD2340.4 ± 3.0|$69^{+35}_{-23}$|0.60 ± 0.22|$5.4^{+1.3}_{-1.0}$||$1.7^{+1.1}_{-0.7}$|4.90.86
Gl 408c1|$175^{+12}_{-14}$|200|$0.18^{+0.10}_{-0.05}$||$4.2^{+0.9}_{-0.8}$||$2.2^{+0.5}_{-0.6}$|3.91.19
Gl 408B|$170.7^{+7.1}_{-9.8}$|200|$0.22^{+0.13}_{-0.08}$||$6.3^{+1.6}_{-1.2}$||$1.0^{+1.0}_{-0.7}$|6.90.72
Gl 408D23171.0 ± 8.42000.21 ± 0.10|$6.3^{+1.5}_{-1.2}$||$1.5^{+1.2}_{-0.7}$|6.30.66
StarDataRotation periodDecay timeSmoothing factorAmplitudeWhite noiseRms|$\chi ^2_{\rm r}$|
Prot (d)l (d)βα (G)σ (G)(G)
Gl 905c1|$111.7^{+3.0}_{-3.2}$||$133^{+18}_{-22}$||$0.50^{+0.09}_{-0.07}$||$12.9^{+3.1}_{-2.1}$||$0.6^{+0.5}_{-0.4}$|3.80.79
Gl 905B|$114.4^{+3.5}_{-2.4}$||$130^{+25}_{-32}$||$0.44^{+0.12}_{-0.09}$||$14.1^{+3.5}_{-2.4}$||$1.2^{+1.1}_{-0.8}$|6.90.87
Gl 905D23114.3 ± 2.8|$129^{+25}_{-21}$|0.43 ± 0.09|$13.3^{+2.5}_{-2.1}$||$1.7^{+1.2}_{-0.7}$|6.20.84
GJ 1289c1|$75.62^{+0.85}_{-0.79}$||$129^{+26}_{-24}$|0.40 ± 0.05|$41.9^{+7.9}_{-6.0}$||$1.2^{+1.1}_{-0.8}$|6.90.72
GJ 1289B|$73.67^{+1.01}_{-0.91}$||$152^{+30}_{-28}$|0.48 ± 0.08|$53.3^{+11.7}_{-9.4}$||$3.2^{+2.4}_{-2.1}$|14.30.84
GJ 1289D2373.66 ± 0.92|$152^{+32}_{-27}$|0.48 ± 0.09|$53.2^{+12.4}_{-10.1}$||$4.2^{+2.7}_{-1.6}$|13.90.82
GJ 1151c1|$175.8^{+3.2}_{-3.4}$|300|$0.40^{+0.10}_{-0.09}$||$12.7^{+3.2}_{-2.4}$|3.3 ± 0.75.80.99
GJ 1151B|$176.1^{+3.6}_{-4.1}$|300|$0.42^{+0.10}_{-0.09}$||$14.6^{+3.4}_{-2.7}$||$1.1^{+1.1}_{-0.8}$|6.70.73
GJ 1151D23175.6 ± 4.93000.43 ± 0.11|$14.9^{+4.2}_{-3.3}$||$1.6^{+1.3}_{-0.7}$|6.70.72
GJ 1286c1|$186.8^{+9.5}_{-5.8}$|300|$0.23^{+0.05}_{-0.04}$||$18.0^{+4.3}_{-3.1}$||$2.7^{+1.5}_{-1.7}$|7.51.02
GJ 1286B|$181^{+18}_{-13}$|300|$0.28^{+0.13}_{-0.07}$||$17.2^{+6.2}_{-3.6}$||$3.9^{+2.3}_{-2.4}$|12.01.03
GJ 1286D23178 ± 153000.29 ± 0.09|$16.7^{+4.6}_{-3.6}$||$4.6^{+2.6}_{-1.6}$|10.11.02
Gl 617Bc1|$37.8^{+8.5}_{-2.6}$||$35^{+8}_{-4}$||$0.47^{+0.09}_{-0.05}$||$5.9^{+1.2}_{-0.8}$||$0.7^{+0.6}_{-0.5}$|2.20.66
Gl 617BB|$40.6^{+2.1}_{-4.4}$||$82^{+45}_{-30}$||$0.58^{+0.13}_{-0.11}$||$5.5^{+1.3}_{-1.1}$||$1.3^{+1.0}_{-0.9}$|5.00.86
Gl 617BD2340.4 ± 3.0|$69^{+35}_{-23}$|0.60 ± 0.22|$5.4^{+1.3}_{-1.0}$||$1.7^{+1.1}_{-0.7}$|4.90.86
Gl 408c1|$175^{+12}_{-14}$|200|$0.18^{+0.10}_{-0.05}$||$4.2^{+0.9}_{-0.8}$||$2.2^{+0.5}_{-0.6}$|3.91.19
Gl 408B|$170.7^{+7.1}_{-9.8}$|200|$0.22^{+0.13}_{-0.08}$||$6.3^{+1.6}_{-1.2}$||$1.0^{+1.0}_{-0.7}$|6.90.72
Gl 408D23171.0 ± 8.42000.21 ± 0.10|$6.3^{+1.5}_{-1.2}$||$1.5^{+1.2}_{-0.7}$|6.30.66
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