Open Access
Table B.1.
Optical photometry of MAXI J1957+032 during the 2022 and 2025 outbursts.
| Filter | MJD | Magnitude | Telescope site |
|---|---|---|---|
| g′ | 59750.56490 | 19.087 ± 0.016 | coj |
| 59751.09793 | 19.126 ± 0.027 | tfn | |
| 59751.37698 | 19.321 ± 0.049 | lsc | |
| 60803.10129 | 19.754 ± 0.019 | cpt | |
| 60803.30945 | 19.614 ± 0.024 | lsc | |
| 60805.30250 | 19.433 ± 0.033 | lsc | |
| 60806.17103 | 19.684 ± 0.056 | tfn | |
| r′ | 59750.57027 | 19.132 ± 0.021 | coj |
| 59751.10336 | 19.026 ± 0.032 | tfn | |
| 59751.38242 | 18.923 ± 0.086 | lsc | |
| 60803.09805 | 19.765 ± 0.036 | cpt | |
| 60803.30620 | 19.501 ± 0.033 | lsc | |
| 60805.29926 | 19.362 ± 0.036 | lsc | |
| 60806.16770 | 19.507 ± 0.055 | tfn | |
| i′ | 59750.56759 | 18.943 ± 0.034 | coj |
| 59751.10062 | 18.997 ± 0.041 | tfn | |
| 59751.37965 | 19.123 ± 0.079 | lsc | |
| 60803.09538 | 19.482 ± 0.049 | cpt | |
| 60803.30353 | 19.487 ± 0.048 | lsc | |
| 60805.29658 | 19.261 ± 0.044 | lsc | |
| 60806.16499 | 19.693 ± 0.068 | tfn | |
Notes. Telescope site codes: coj = Siding Spring Observatory; lsc = Cerro Tololo; tfn = Teide Observatory; cpt = Sutherland. Magnitudes are uncorrected for reddening (Ag′ = 0.04 ± 0.01 mag, Ar′ = 0.03 ± 0.01 mag, Ai′ = 0.02 ± 0.01 mag).
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