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Table 5

Activity tracers of ξ Bootis A derived from the Stokes I profiles for each observation for 2007.59, 2008.09, and 2009.46.

Frac. year Julian date Bl Rad. vel. Velocity spans Line widths NCaIIH NHα
(G) (km s-1) (km s-1) (km s-1)
2007.59 2454315.34 22.0 ± 0.8 1.86 0.02 ± 0.02 15.059 ± 0.041 0.4425 ± 0.0005 0.3577 ± 0.0002
2454316.34 8.5 ± 0.9 1.86 0.02 ± 0.02 15.135 ± 0.038 0.442 ± 0.0005 0.3584 ± 0.0002
2454322.34 11.7 ± 0.9 1.84 0.03 ± 0.02 15.133 ± 0.041 0.4427 ± 0.0005 0.3614 ± 0.0002
2454323.34  −0.6 ± 1.1 1.87 0.03 ± 0.03 15.385 ± 0.037 0.4635 ± 0.0006 0.3631 ± 0.0002
2454308.35 18.2 ± 1.7 1.88 0.06 ± 0.02 15.444 ± 0.007 0.4401 ± 0.0011 0.3571 ± 0.0004
2454310.35 7.3 ± 0.5 1.88 0.03 ± 0.02 14.96 ± 0.032 0.4419 ± 0.0003 0.358 ± 0.0001
2454311.35 1.4 ± 0.6 1.85 0.04 ± 0.02 15.352 ± 0.037 0.4454 ± 0.0003 0.3585 ± 0.0001
2454312.34 2.8 ± 0.8 1.82 0.07 ± 0.02 14.875 ± 0.032 0.438 ± 0.0004 0.3582 ± 0.0002
2454313.34 6.9 ± 1.1 1.84 0.04 ± 0.02 14.477 ± 0.037 0.435 ± 0.0006 0.3566 ± 0.0002
2008.09 2454499.77 7.4 ± 3.6 1.67 0.05 ± 0.02 14.799 ± 0.023 0.4124 ± 0.0018 0.3542 ± 0.0006
2454501.77 9.8 ± 1.0 1.8 0.07 ± 0.03 14.616 ± 0.041 0.4138 ± 0.0006 0.3562 ± 0.0002
2454503.76 4.5 ± 0.9 1.71 0.08 ± 0.02 14.876 ± 0.034 0.4309 ± 0.0005 0.3557 ± 0.0002
2454506.77 3.1 ± 0.9 1.73 0.02 ± 0.02 14.137 ± 0.036 0.4039 ± 0.0005 0.3535 ± 0.0002
2454507.76 5.9 ± 0.4 1.75 0.07 ± 0.02 14.467 ± 0.036 0.4206 ± 0.0002 0.354 ± 0.0001
2454508.76 0.8 ± 1.3 1.72 0.03 ± 0.02 14.783 ± 0.037 0.4322 ± 0.0007 0.3583 ± 0.0003
2454509.73 6.7 ± 2.0 1.73 0.09 ± 0.02 14.97 ± 0.022 0.4187 ± 0.0012 0.357 ± 0.0005
2454510.77 4.6 ± 1.1 1.68 0.05 ± 0.02 14.533 ± 0.036 0.427 ± 0.0007 0.3549 ± 0.0003
2454512.76 7.1 ± 0.8 1.65 0.04 ± 0.02 13.956 ± 0.024 0.4145 ± 0.0005 0.3526 ± 0.0002
2454484.72 3.9 ± 2.1 1.73 0.06 ± 0.02 14.885 ± 0.038 0.4242 ± 0.0012 0.3565 ± 0.0004
2454484.77 6.4 ± 2.1 1.73 0.05 ± 0.02 14.379 ± 0.031 0.4224 ± 0.0012 0.3573 ± 0.0004
2454485.77 3.9 ± 1.5 1.72 0.04 ± 0.02 14.412 ± 0.038 0.4212 ± 0.0009 0.3541 ± 0.0003
2454488.76 1.8 ± 0.9 1.84 0.06 ± 0.03 14.417 ± 0.037 0.4149 ± 0.0005 0.353 ± 0.0002
2454489.75 5.2 ± 1.0 1.82 0.05 ± 0.02 15.025 ± 0.038 0.4221 ± 0.0005 0.3563 ± 0.0002
2454489.74 4.7 ± 1.0 1.82 0.04 ± 0.02 14.958 ± 0.032 0.4188 ± 0.0005 0.3562 ± 0.0002
2454491.7  −0.4 ± 1.2 1.75 0.03 ± 0.02 14.38 ± 0.036 0.4273 ± 0.0007 0.3555 ± 0.0003
2454492.75  −2.3 ± 1.0 1.73 0.01 ± 0.02 14.495 ± 0.037 0.411 ± 0.0005 0.3538 ± 0.0002
2454493.76 3.7 ± 0.8 1.76 0.03 ± 0.02 14.426 ± 0.042 0.4079 ± 0.0004 0.354 ± 0.0002
2454495.77 10.5 ± 1.0 1.78 0.04 ± 0.02 14.619 ± 0.037 0.4314 ± 0.0006 0.3562 ± 0.0002
2009.46 2454984.45 1.9 ± 3.5 1.81 0.03 ± 0.02 14.324 ± 0.029 0.4098 ± 0.0022 0.3537 ± 0.0007
2454985.43 3.3 ± 1.1 1.82 0.04 ± 0.02 14.228 ± 0.023 0.4205 ± 0.0006 0.3544 ± 0.0002
2455017.38 10.4 ± 1.8 1.88 0.03 ± 0.02 14.423 ± 0.038 0.4201 ± 0.0011 0.355 ± 0.0004
2455018.4 7.5 ± 0.9 1.89 0.03 ± 0.03 14.206 ± 0.018 0.4252 ± 0.0005 0.3526 ± 0.0002
2454994.47 16.7 ± 1.6 1.9 0.06 ± 0.03 14.177 ± 0.017 0.4168 ± 0.001 0.3515 ± 0.0003
2454995.46 16.1 ± 1.4 1.9 0.05 ± 0.02 14.467 ± 0.022 0.4132 ± 0.0008 0.3537 ± 0.0003
2455001.44 22.1 ± 4.0 1.89 0.05 ± 0.02 14.017 ± 0.026 0.4235 ± 0.0036 0.3521 ± 0.0008
2455002.36 9.9 ± 2.9 1.88 0.03 ± 0.02 15.047 ± 0.036 0.4235 ± 0.0015 0.355 ± 0.0005
2455006.56 7.7 ± 0.9 1.89 0.01 ± 0.02 14.409 ± 0.036 0.4212 ± 0.0006 0.3525 ± 0.0002
2455010.46 4.8 ± 1.4 1.91 0.03 ± 0.02 14.249 ± 0.036 0.4263 ± 0.0009 0.3541 ± 0.0003
2455011.44 3.3 ± 1.3 1.9 0.03 ± 0.02 14.271 ± 0.037 0.421 ± 0.0008 0.3529 ± 0.0003
2454980.38 6.5 ± 1.2 1.85 0.04 ± 0.02 14.287 ± 0.033 0.4236 ± 0.0007 0.3534 ± 0.0003
2455013.55  −1.8 ± 1.3 1.88 0.03 ± 0.02 14.265 ± 0.037 0.4247 ± 0.0009 0.3512 ± 0.0003

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