Table 3
Equivalent widths (in mÅ) of Si ii 1265 Å and C ii 1335 Å measured from the observed spectra (obs) compared to the predictions of radiative levitation (RL).
| Object | EW(Si)[mÅ] | EW(C)[mÅ] | Notes | R/A | log flux [g s-1] | |||
| obs | RL | obs | RL | Si | C | |||
|
|
||||||||
| WD 0000+171 | 54 | 30 | 0 | 0 | R | <4.20 | <4.02 | |
| WD 0059+257 | 291 | 7 | 47 | 0 | 1 | A | 6.13 | <4.47 |
| WD 0102+095 | 78 | 63 | 15 | 11 | R | <4.75 | <3.75 | |
| WD 0114-605 | 88 | 80 | 25 | 31 | R | <4.48 | <3.48 | |
| WD 0140-392 | 95 | 41 | 0 | 0 | R | <4.78 | <3.88 | |
| WD 0242-174 | 56 | 16 | 0 | 0 | R? | <4.03 | <4.23 | |
| WD 0307+149 | 36 | 29 | 0 | 0 | R | <4.39 | <4.17 | |
| WD 0341+021 | 25 | 171 | 82 | 78 | R | <3.39 | <3.94 | |
| WD 0352+018 | 40 | 39 | 0 | 5 | R | <3.82 | <4.08 | |
| HE0403-4129 | 90 | 36 | 0 | 5 | R? | <5.34 | <4.35 | |
| HE0416-1034 | 33 | 35 | 220 | 71 | 6 | A | <4.70 | 5.28 |
| WD 0421+162 | 144 | 0 | 0 | 0 | A | 5.27 | <4.49 | |
| WD 0431+126 | 55 | 2 | 0 | 0 | A | 4.33 | <4.36 | |
| HE0452-3444 | 59 | 32 | 0 | 0 | R | <4.61 | <4.20 | |
| HS0507+0434A | 20 | 5 | 0 | 0 | R? | <3.91 | <4.12 | |
| WD 0710+741 | 245 | 118 | 277 | 10 | *,1,2,6 | A | 5.39 | 6.51 |
| WD 0843+516 | 126 | 0 | 90 | 0 | 1,4 | A | 7.56 | 5.38 |
| WD 0854+404 | 41 | 58 | 0 | 5,7 | R | <4.15 | <4.19 | |
| WD 0920+363 | 54 | 112 | 54 | 5 | R | <4.35 | <3.68 | |
| WD 0954+697 | 49 | 40 | 0 | 0 | R | <4.08 | <4.23 | |
| WD 1013+256 | 159 | 28 | 141 | 0 | A | 5.52 | 6.28 | |
| WD 1015+161 | 409 | 0 | 0 | 0 | 1,4 | A | 6.54 | <4.84 |
| WD 1017+125 | 98 | 34 | 0 | 5 | R? | <4.86 | <4.94 | |
| WD 1034+492 | 123 | 0 | 0 | 0 | A | 5.17 | <4.77 | |
| WD 1038+633 | 39 | 3 | 0 | 5,7 | A | 4.69 | <4.59 | |
| WD 1129+155 | 30 | 0 | 0 | 5 | A | 4.55 | <4.76 | |
| WD 1133+293 | 50 | 75 | 4 | 5 | R | <4.23 | <4.38 | |
| SDSS1228+1040 | 1090 | 0 | 48 | 0 | *,1,4,5 | A | 7.72 | 5.23 |
| HS1243+0132 | 51 | 48 | 0 | 5 | R | <3.19 | <4.00 | |
| WD 1257+048 | 91 | 39 | 38 | 0 | A | 4.80 | 4.71 | |
| WD 1310-305 | 96 | 15 | 0 | 5 | A | 4.70 | <4.51 | |
| WD 1325+279 | 34 | 19 | 0 | 5 | R | <4.25 | <4.36 | |
| WD 1325-089 | 29 | 0 | 0 | 5 | A | 4.20 | <4.75 | |
| WD 1408+323 | 121 | 0 | 18 | 0 | A | 4.95 | 4.42 | |
| WD 1451+006 | 27 | 54 | 32 | 5 | R | <4.01 | <3.02 | |
| WD 1548+149 | 69 | 40 | 61 | 0 | A | 4.66 | 5.09 | |
| WD 1647+375 | 339 | 59 | 218 | 0 | 1 | A | 6.44 | 7.06 |
| WD 1713+332 | 37 | 145 | 58 | 60 | R | <3.45 | <4.26 | |
| WD 1755+194 | 71 | 72 | 19 | 20 | R | <4.77 | <3.61 | |
| WD 1914-598 | 19 | 12 | 0 | 5 | R | <3.97 | <4.31 | |
| WD 1929+012 | 1559 | 41 | 130 | 0 | *,1,4 | A | 8.03 | 5.85 |
| WD 1943+163 | 271 | 7 | 139 | 0 | 1 | A | 5.84 | 6.10 |
| WD 1953-715 | 314 | 0 | 141 | 0 | 1 | A | 6.06 | 6.16 |
| WD 2046-220 | 76 | 56 | 0 | 5 | R | <4.46 | <4.52 | |
| WD 2058+181 | 156 | 0 | 135 | 0 | 1 | A | 5.37 | 6.28 |
| WD 2134+218 | 67 | 0 | 0 | 5 | A | 4.89 | <4.70 | |
| HS2229+2335 | 350 | 0 | 125 | 0 | A | 6.35 | 6.09 | |
| HE2231-2647 | 36 | 48 | 0 | 5 | R | <3.88 | <3.98 | |
| HS2244+2103 | 32 | 45 | 0 | 5 | R | <4.35 | <3.95 | |
| WD 2256+249 | 145 | 74 | 168 | 0 | *,1,2 | A | 5.49 | 6.03 |
| WD 2257+162 | 66 | 141 | 110 | 74 | *,2 | R | <3.48 | <5.58 |
| WD 2306+124 | 120 | 0 | 20 | 0 | A | 4.98 | 4.70 | |
| WD 2322-181 | 84 | 23 | 47 | 0 | A | 4.67 | 4.86 | |
Notes. Logarithms of the C and Si diffusion fluxes (in g s-1). See Sect. 7, 8 for details. *: ancillary target, not used in sample statistics; 1: additional elements detected; 2: post-common envelope (close) binary; 3: spatially resolved (wide) binary; 4: exhibits excess infrared emission; 5: C ii 1335 line contaminated by interstellar line; if field is empty, the spectrum is consistent with a photospheric EW = 0; 6: C iii lines near 1175 Å used instead of 1335 Å; 7: Si ii 1298 Å line used instead of 1265 Å
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