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Table A.1.

Periods, mean magnitudes, and amplitudes as derived from various light curves for all periodically variable UHE white dwarfs.

Name Band Data points Magnitude P Amplitude Comment
[mag] [d] [mag]
J0032+1604 CSS 335 15.71 0.907846 ± 0.000090 0.05 DOZ UHE
ATLAS-c 119 15.73 0.907871 ± 0.000080 0.07
WD 0101−182 CSS 154 15.83 2.323148 ± 0.000107 0.18 DOZ UHE
ATLAS-c 166 15.72 2.323235 ± 0.000140 0.19
ATLAS-o 170 16.17 2.323285 ± 0.000219 0.19
TESS 15985 2.322138 ± 0.001939
J0146+3236 CSS 333 15.59 0.242037 ± 0.000002 0.18 DO UHE
ATLAS-c 123 15.54 0.242035 ± 0.000003 0.17
ATLAS-o 124 16.01 0.242036 ± 0.000003 0.16
ZTF-g 222 15.37 0.242038 ± 0.000001 0.18
ZTF-r 279 15.91 0.242037 ± 0.000001 0.16
ZTF-i 22 16.37 0.242057 ± 0.000029 0.17
TESS 12936 0.242037 ± 0.000010
HS 0158+2335 CSS 332 16.83 0.449773 ± 0.000005 0.17 DO UHE
ATLAS-c 105 16.91 0.449817 ± 0.000035 0.22
ZTF-g 206 16.79 0.449776 ± 0.000004 0.24
ZTF-r 236 17.23 0.449783 ± 0.000005 0.21
TESS 12891 0.449767 ± 0.000471
J0254+0058 CSS 336 17.39 1.087163 ± 0.000021 0.26 DO UHE
ATLAS-c 114 17.39 1.087221 ± 0.000074 0.28
ZTF-g 250 17.25 1.087160 ± 0.000015 0.30
ZTF-r 263 17.73 1.087168 ± 0.000027 0.30
SDSS-u 72 16.73 1.087148 ± 0.000006 0.26
SDSS-g 72 17.15 1.087145 ± 0.000002 0.27
SDSS-r 73 17.67 1.087153 ± 0.000007 0.26
SDSS-i 72 18.03 1.087147 ± 0.000005 0.29
SDSS-z 70 18.35 1.087169 ± 0.000021 0.28
TESS 15746 1.089108 ± 0.001332
HS 0713+3958 CSS 434 16.61 0.782390 ± 0.000017 0.09 DO UHE
ATLAS-c 188 16.52 0.782404 ± 0.000070 0.08
ATLAS-o 199 16.93 0.782537 ± 0.000447 0.08
ZTF-g 173 16.34 0.782351 ± 0.000023 0.11
ZTF-r 193 16.89 0.782370 ± 0.000023 0.09
TESS 33045 0.782594 ± 0.001509
HS 0727+6003 CSS 184 16.15 0.221410 ± 0.000002 0.13 DO UHE
ATLAS-c 121 16.08 0.221410 ± 0.000003 0.13
ATLAS-o 135 16.51 0.221411 ± 0.000060 0.14
ZTF-g 202 15.90 0.221412 ± 0.000002 0.13
ZTF-r 231 16.42 0.221409 ± 0.000001 0.13
BUSCA-U 399 0.221399 ± 0.000003 0.128
BUSCA-B 495 0.221396 ± 0.000010 0.131
BUSCA-R 493 0.221438 ± 0.000015 0.128
TESS 17632 0.221453 ± 0.000039
J1059+4043 ZTF-g 238 18.09 1.410591 ± 0.000151 0.08 DOZ UHE
ZTF-r 229 18.68 1.410589 ± 0.000154 0.07
J1215+1203 CSS 441 18.20 0.601307 ± 0.000011 0.14 DOZ UHE
ZTF-g 158 17.93 0.601319 ± 0.000014 0.14
ZTF-r 173 18.51 0.601296 ± 0.000035 0.10
J1257+4220 ATLAS-c 123 17.40 0.428993 ± 0.000016 0.18 DA UHE
ZTF-g 287 17.24 0.428996 ± 0.000006 0.13
ZTF-r 307 17.78 0.428993 ± 0.000009 0.11
HS 2027+0651 ZTF-g 84 16.48 0.290784 ± 0.000005 0.06 DO UHE
ZTF-r 119 16.93 0.290782 ± 0.000007 0.05
HS 2115+1148 ZTF-r 157 16.78 1.319665 ± 0.000263 0.02 DAO UHE

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