Table 2
Longitudinal magnetic field measurements of the central stars in our sample.
Name | MJD | ⟨Bz⟩all [G] | ⟨Bz⟩star [G] | S/N | Notes | ||||||
R1 | RM | R1 | RM | ||||||||
|
|||||||||||
NGC 246 | 55 843.1712 | −25 ± 90 | −21 ± 79 | −55 ± 93 | −51 ± 78 | 1665 | |||||
55 859.1612 | 62 ± 77 | 62 ± 75 | 66 ± 79 | 66 ± 76 | 1369 | ||||||
NGC 1360 | 55 839.2227 | − 7 ± 97 | − 7 ± 92 | 78 ± 142 | 79 ± 129 | 2161 | |||||
55 843.3429 | −109 ± 145 | −104 ± 134 | −192 ± 207 | −183 ± 207 | 1952 | ||||||
NGC 1514 | 55 844.3521 | 138 ± 94 | 139 ± 88 | 122 ± 94 | 123 ± 89 | 2035 | A-star | ||||
55 859.2523 | − 256 ± 85 | − 257 ± 77 | − 252 ± 85 | − 252 ± 77 | 2202 | : | |||||
IC 418 | 55 840.2816 | only two sub-exposures, no measurement of ⟨Bz⟩ | |||||||||
55 879.3257 | − 181 ± 54 | − 177 ± 54 | −204 ± 97 | −201 ± 101 | 1870 | ||||||
55 899.1557 | −157 ± 64 | −157 ± 57 | −143 ± 87 | −143 ± 83 | 1733 | ||||||
NGC 2346 | 55 885.2538 | −44 ± 74 | −41 ± 88 | −31 ± 104 | −24 ± 124 | 1264 | A-star | ||||
55 905.3067 | −86 ± 45 | −86 ± 44 | −54 ± 59 | −53 ± 60 | 1860 | : | |||||
55 906.2222 | −82 ± 62 | −82 ± 60 | −23 ± 68 | −23 ± 65 | 1723 | : | |||||
NGC 2392 | 55 917.2243 | 46 ± 73 | 46 ± 78 | −132 ± 152 | −135 ± 145 | 1612 | |||||
55 926.2776 | 137 ± 81 | 136 ± 87 | 219 ± 163 | 224 ± 133 | 1635 | ||||||
Hen 2-36 | 55 906.2864 | −116 ± 74 | −116 ± 69 | −107 ± 97 | −107 ± 93 | 1641 | A-star | ||||
55 908.3180 | −99 ± 92 | −99 ± 94 | −70 ± 111 | −69 ± 113 | 1434 | : | |||||
LSS 1362 | 55 909.2720 | 38 ± 236 | 35 ± 234 | 157 ± 263 | 152 ± 264 | 985 | |||||
55 917.3188 | −95 ± 175 | −91 ± 177 | −105 ± 208 | −101 ± 208 | 1163 | ||||||
NGC 3132 | 55 909.3216 | 38 ± 70 | 38 ± 70 | 97 ± 86 | 97 ± 87 | 1610 | A-star | ||||
55 924.2987 | 65 ± 51 | 65 ± 60 | 74 ± 62 | 73 ± 76 | 2030 | : | |||||
Hen 2-108 | 55 981.2533 | 261 ± 126 | 253 ± 135 | 374 ± 179 | 351 ± 213 | 881 | |||||
55 996.2235 | −118 ± 142 | −115 ± 121 | −274 ± 220 | −280 ± 218 | 882 | ||||||
56 014.3206 | −12 ± 121 | −1 ± 140 | 98 ± 201 | 115 ± 175 | 804 | ||||||
Hen 2-113 | 55 981.3145 | − 58 ± 18 | −58 ± 24 | − 78 ± 25 | − 80 ± 26 | 1236 | |||||
55 996.2851 | −51 ± 18 | −51 ± 21 | −47 ± 24 | −47 ± 30 | 1316 | ||||||
Hen 2-131 | 55 996.3520 | − 92 ± 29 | −90 ± 41 | −109 ± 41 | −107 ± 50 | 1972 | |||||
55 997.3157 | − 120 ± 32 | −119 ± 50 | −90 ± 39 | −89 ± 51 | 1936 |
Notes. The modified Julian date of mid-exposure is given in Col. (2). The mean longitudinal magnetic field measured with method R1 (regression based on a single dataset) using the entire spectrum (all) and using only the uncontaminated stellar lines (star), respectively, is presented in Cols. (3) and (5). The corresponding results based on method RM (regression based on M = 106 statistical variations of the original dataset) are shown in Cols. (4) and (6). The average signal-to-noise ratio of the stacked Stokes I spectrum is given in Col. (7). A magnetic field detection at a significance level of 3σ is indicated by the bold face entries in Cols. (3)–(6). All quoted errors are 1σ uncertainties.
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