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Table 1

Stars used in this work, their main physical parameters, and a note on their magnetic variability.

STAR Spect. Atm. G d Teff M Age 〈|B|〉 P
type comp. (pc) (K) (M⊙) (Gyr) (MG) (d)
WD 0004 + 122 LP 464-57 DCP H 16.25 17.5 5285 0.813 7.830 100 n.v.
WD 0009 + 501 EGGR 381 DA H 14.23 10.9 6483 0.740 3.230 0.25 0.334
WD 0011 − 134 G 158-45 DAH H 15.75 18.6 5869 0.719 4.150 9 0.031
WD 0041 − 102 Feige 7 DBAH He 14.53 31.1 21 334 1.140 0.350 20 0.091
WD 0051 + 117 PHL 886 DAH H 15.96 115.7 20 534 0.58 0.047 0.27 4.703
WD 0058 − 044 GD 9 DAH H 15.43 72.1 17062 0.63 0.137 0.33 1.96
WD0232 + 525 EGGR 314 DAH H 13.87 28.8 17351 0.817 0.230 0.04 var.
WD0233 − 242A LP 830-14 DAH H 15.67 18.5 5066 0.453 3.070 3.8 0.066
WD 0236−269 PHL 4227 DXP He 16.48 35.0 7175 0.726 2.360 50 n.v.:
WD0253+508 KPD 0253+5052 DAH H 15.26 68.7 19590 0.70 0.120 13 0.170
WD0301+059 SDSS J030350.63+060748.9 DXP H 14.96 31.3 16018 1.083 0.620 200 n.v.:
WD0313−084 GALEX J031613.8-081637 DA H 16.69 31.4 6369 0.779 3.860 0.8 n.v.
WD0316−849 V* CL Oct DAH H 14.75 29.4 26 465 1.267 0.340 450 0.008
WD0322−019 EGGR 566 DAZH H 15.90 16.9 5248 0.673 6.150 0.12 var.
WD0410−114 G 160-51 DAH H 15.38 35.1 7474 0.420 0.900 1.7 0.016
WD0446−789 WG 47 DA H 13.44 44.0 23 514 0.54 0.021 0.01 var.:
WD0548−001 EGGR 248 DQP He 14.42 11.2 6053 0.648 3.350 10 n.v.
WD0553+053 EGGR 290 DAH H 13.96 8.1 5741 0.688 4.050 20 n.v.
WD0637+478 GD 77 DAH H 14.82 40.2 13737 0.74 0.369 0.95 1.362
WD0654+059 2MASS J06572938+0550479 DC He 17.26 39.0 6010 0.691 3.970 7.0 n.v.
WD0708−670 SCR J0708-6706 DCP H 15.95 17.0 5007 0.593 6.180 200 n.v.:
WD0745+115 GALEX J074842.4+112502 DC He 16.50 46.7 9831 0.93 1.708 50 n.v.
WD0756+437 EGGR 428 DCP H 16.14 22.0 7215 1.038 4.440 200 0.278
WD0810−353 UPM J0812-3529 DAH H 14.34 11.2 6239 0.700 3.160 45 n.v.
WD0816−310 SCR J0818-3110 DZH He 15.38 19.4 6754 0.802 3.480 0.1 10:
WD0850+192 EGGR 904 = LB 8915 (not 8827) DBAH He 15.60 72.1 17368 0.74 0.20 0.85 0.1:
WD0907+213 GALEX J091016.5+210555 DBAH He 16.36 96.3 15302 0.67 0.245 0.5 0.3:
WD0912+536 EGGR 250 DCP He 13.78 10.3 7155 0.712 2.260 100 1.331
WD1008−242 UCAC4 328-061594 DAP H 15.19 39.7 21 653 1.152 0.340 100 n.v.:
WD1008+290 LP 315-42 DQpecP H 16.54 14.7 4595 0.74 8.12 100 n.v.
WD1009−184 WT 1759 DZH He 15.33 18.1 6394 0.753 3.680 0.15 var.:
WD1015+014 PG 1015+014 DA H 16.33 49.4 10456 0.93 1.29 75 0.069
WD 1031+234 Ton 527 DAH H 15.65 79.8 21185 0.97 0.190 500 0.140
WD1036−204 EGGR 535 DQpecP H 15.83 14.1 5761 0.943 6.170 200 n.v.
WD1043−050 HE 1043-0502 DBH He 16.82 82.6 17190 1.07 0.50 500 n.v.:
WD1045−091 HE 1045-0908 DAH H 16.45 54.1 9938 0.84 1.13 16 0.113
WD1105−340 SCR J1107-3420A DAH H 13.69 26.2 13603 0.657 0.310 0.13 n.v.
WD1105−048 EGGR 76 DAH H 13.09 24.8 15703 0.568 0.150 0.05 var.:
WD1116−470 SCR J1118-4721 DC He 15.36 17.0 5903 0.615 3.360 10 n.v.
WD 1211−171 HE 1211-1707 DBH He 16.70 90.7 30650 1.20 0.165 50 0.083
WD1249−022 GALEX J125230.9-023417 DAHe H 17.46 77.7 7856 0.58 1.14 5 0.0037
WD1312+098 PG 1312+099 DAH H 16.42 101.5 21 293 0.89 0.148 80 0.226
WD1315−781 LAWD 45 DAH H 15.96 19.3 5575 0.689 4.590 5.5 n.v.:
WD1315+222 LP 378-956 DCP He 16.69 31.8 6334 0.726 3.540 15 n.v.
WD1328+307 G 165-7 DZH He 15.97 25.5 6351 0.694 3.190 0.3 var.
WD1346+121 LP 498-66 DCP He 17.81 28.3 4607 0.742 8.100 50 n.v.
WD1350−090 PG 1350-090 DAH H 14.54 19.7 8881 0.803 1.410 0.46 n.v.
WD1532+129 G 137-24 DZH He 15.59 19.3 5796 0.633 3.970 0.05 var.
WD1556+044 PM J15589+0417 DCP He 15.99 22.5 6730 0.848 3.810 15 n.v.
WD1615+542 GALEX J161634.4+541011 DAHe H 18.24 93.7 7938 0.75 1.694 6.5 0.067
WD1619+046 GALEX J162157.7+043219 DUH X 16.86 61.6 19655 1.25 0.777 15 0.028:
WD1639+537 GD 356 DAHe H 14.96 20.1 7729 0.753 1.830 11.5 n.v.
WD 1658+440 PG 1658+441 DAH H 14.78 31.7 29 613 1.284 0.270 2.5 n.v.:
WD 1703−266 UCAC4 317-104829 DAH H 15.00 13.0 6128 0.809 4.610 8 var.
WD 1712−590 Gaia DR3 5915797694789556096 DAH H 15.62 29.8 8608 0.831 1.740 0.73 var.
WD 1743−521 L 270-31 DAH H 15.67 38.9 14852 1.116 0.930 18 2.833
WD 1748 +708 EGGR 372 DXP He 13.77 6.2 5224 0.671 6.270 100 s.v.:
WD1750−311 UCAC4 295-140552 DQ He 15.85 44.6 15 518 1.10 0.806 2.1 n.v.:
WD1754−550 GALEX J175845.9-550117 DU ? 15.59 51.5 34753 1.33 0.184 100 var.
WD 1814+248 G183-35 DAP H 16.82 37.6 6800 0.766 3.030 5 var.
WD 1829+547 EGGR 374 DXP H 15.45 17.0 6711 0.897 4.380 150 n.v.
WD1900+705 LAWD 73 DAH H 13.24 12.9 12540 1.029 1.090 180 s.v.:
WD 1953−011 LAWD 79 DAH H 13.59 11.6 7790 0.698 1.540 0.5 1.448
WD 2010+310 GD 229 DBP He 14.77 30.8 18 365 1.135 0.540 300 s.v.:
WD2047+372 EGGR 261 DAP H 13.03 17.6 14710 0.796 0.350 0.07 0.243
WD2049−222 LP 872-48 DCP He 14.93 20.3 7811 0.693 1.600 5 var.:
WD2049−253 UCAC4 325-215293 DCP H 16.03 18.0 5048 0.584 5.700 20 n.v.
WD2051−208 BPS CS 22880-0134 DAH H 15.11 31.3 20362 1.222 0.580 0.25 0.059
WD2105−820 LAWD 83 DAZH H 13.60 16.2 9914 0.751 0.920 0.04 var.
WD2138−332 L 570-26 DZAH He 14.44 16.1 7113 0.715 2.330 0.05 0.258
WD2150+591 UCAC4 747-070768 DAH H 14.37 8.5 5202 0.640 5.840 0.80 var.
WD 2211+372 LP 287-35 DCP He 16.82 29.2 6424 0.878 4.370 60 n.v.
WD2316+123 KUV 23162+1220 DAH H 15.42 40.3 11 721 0.86 0.77 30 17.86
WD2359−434 LAWD 96 DA H 12.89 8.3 8428 0.821 1.790 0.11 0.112

Notes. A number in the last column represents the established rotation period (in d) of a star that shows polarimetric variability; tentative periods are followed by the symbol Other symbols have the following meaning: ‘var.’ means that the star is certainly polarimetric variable but the period is still unknown; ‘var.:’ means that hints of subtle variability have been detected over a short timescale; ‘n.v.’ means that the observed polarisation was constant (within uncertainties) and the star was observed at least three times; ‘n.v.:’ means that observed polarisation was constant (within uncertainties) but the star was observed only twice; ‘s.v.’ means that polarisation shows some sign of subtle variability over a timescale of a decade or longer. For stars within the local 40 pc volume, the parameters of stellar magnitude, distance, spectral type, atmospheric composition, temperature, mass, and age are from O’Brien et al. (2024); for the remaining stars, we used the catalogue from Gentile Fusillo et al. (2021) with ages interpolated from the tables by Bédard et al. (2020).

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