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Table E.1.

ALMA Sgr A* light curves, in total flux density, polarized intensity, and Stokes V, presented in this paper.

Day UT Duration Parameter Spectral Window Samples Flux density Modulation
(2018) (h) (h) label Frequency (GHz) μ ± σ (Jy) σ/μ
April 21 7:23 - 13:30 6.12 Stokes I B1 212.1 − 214.1 1934 2.89 ± 0.15 0.050
B2 214.1 − 216.1 1934 2.90 ± 0.14 0.049
B3 226.1 − 228.1 1894 2.88 ± 0.12 0.042
B4 228.1 − 230.1 1911 2.89 ± 0.13 0.044
P B1 212.1 − 214.1 1934 0.10 ± 0.05 0.49
B2 214.1 − 216.1 1934 0.10 ± 0.05 0.50
B3 226.1 − 228.1 1894 0.12 ± 0.05 0.44
B4 228.1 − 230.1 1911 0.12 ± 0.05 0.43
Stokes V B1 212.1 − 214.1 1934 −0.027 ± 0.009 0.33
B2 214.1 − 216.1 1934 −0.027 ± 0.009 0.33
B3 226.1 − 228.1 1894 −0.030 ± 0.010 0.33
B4 228.1 − 230.1 1911 −0.032 ± 0.009 0.29

April 22 4:25 - 13:15 8.83 Stokes I B1 212.1 − 214.1 3436 2.86 ± 0.15 0.052
B2 214.1 − 216.1 3464 2.87 ± 0.15 0.052
B3 226.1 − 228.1 3471 2.83 ± 0.13 0.046
B4 228.1 − 230.1 3483 2.85 ± 0.15 0.053
P B1 212.1 − 214.1 3436 0.15 ± 0.05 0.31
B2 214.1 − 216.1 3464 0.16 ± 0.05 0.31
B3 226.1 − 228.1 3471 0.17 ± 0.06 0.32
B4 228.1 − 230.1 3483 0.18 ± 0.06 0.32
Stokes V B1 212.1 − 214.1 3436 −0.020 ± 0.013 0.65
B2 214.1 − 216.1 3464 −0.020 ± 0.013 0.65
B3 226.1 − 228.1 3471 −0.020 ± 0.011 0.55
B4 228.1 − 230.1 3483 −0.022 ± 0.010 0.46

April 24 3:05 - 11:56 8.86 Stokes I B1 212.1 − 214.1 3030 3.24 ± 0.12 0.037
B2 214.1 − 216.1 3029 3.25 ± 0.12 0.037
B3 226.1 − 228.1 2995 3.24 ± 0.12 0.037
B4 228.1 − 230.1 3014 3.25 ± 0.12 0.036
P B1 212.1 − 214.1 3030 0.17 ± 0.05 0.30
B2 214.1 − 216.1 3029 0.17 ± 0.05 0.30
B3 226.1 − 228.1 2995 0.18 ± 0.06 0.33
B4 228.1 − 230.1 3014 0.18 ± 0.06 0.33
Stokes V B1 212.1 − 214.1 3030 −0.011 ± 0.015 1.33
B2 214.1 − 216.1 3029 −0.012 ± 0.015 1.28
B3 226.1 − 228.1 2995 −0.015 ± 0.016 1.07
B4 228.1 − 230.1 3014 −0.015 ± 0.016 1.07

April 25 7:07 - 13:14 6.12 Stokes I B1 212.1 − 214.1 744 3.34 ± 0.07 0.021
B2 214.1 − 216.1 744 3.36 ± 0.07 0.021
B3 226.1 − 228.1 744 3.36 ± 0.10 0.029
B4 228.1 − 230.1 743 3.36 ± 0.08 0.025
P B1 212.1 − 214.1 744 0.14 ± 0.04 0.29
B2 214.1 − 216.1 744 0.15 ± 0.04 0.28
B3 226.1 − 228.1 744 0.16 ± 0.05 0.31
B4 228.1 − 230.1 743 0.17 ± 0.05 0.30
Stokes V B1 212.1 − 214.1 744 −0.032 ± 0.014 0.44
B2 214.1 − 216.1 744 −0.032 ± 0.015 0.47
B3 226.1 − 228.1 744 −0.036 ± 0.015 0.42
B4 228.1 − 230.1 743 −0.038 ± 0.016 0.42

Notes. Stokes V values are reported for completeness, but should be considered tentative as their levels fall below ALMA’s guaranteed accuracy for CP measurements.

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