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Table 2.
Stellar mass (solar mass) and cooling ages (Gyr) as predicted by our sequences under the assumption that they harbor O-Ne cores for selected ultra-massive white dwarfs in the literature.
| Star | Spectral type | log(g)(cgs) | Teff(K) | M⋆/M⊙ | t(Gyr) | Reference |
|---|---|---|---|---|---|---|
| SDSS J 090549.46+134507.87 | DA | 8.875 | 6774 | 1.110 | 3.966 | Kepler et al. (2016) |
| SDSS J 000901.20+202606.80 | DA | 8.857 | 11081 | 1.104 | 1.706 | Kepler et al. (2016) |
| SDSS J 002113.16+192433.62 | DA | 8.920 | 11555 | 1.134 | 1.655 | Kepler et al. (2016) |
| SDSS J 003608.73+180951.52 | DA | 9.250 | 10635 | 1.248 | 2.121 | Kepler et al. (2016) |
| SDSS J 005142.50+200208.66 | DA | 9.080 | 14593 | 1.197 | 1.244 | Kepler et al. (2016) |
| SDSS J 013853.19+283207.13 | DA | 9.402 | 9385 | 1.288 | 2.305 | Kepler et al. (2016) |
| SDSS J 015425.78+284947.71 | DA | 8.959 | 11768 | 1.153 | 1.652 | Kepler et al. (2016) |
| SDSS J 001459.15+253616.37 | DA | 8.812 | 10051 | 1.081 | 1.982 | Kepler et al. (2016) |
| SDSS J 004806.14+254703.56 | DA | 8.885 | 9388 | 1.116 | 2.322 | Kepler et al. (2016) |
| SDSS J 005122.96+241801.15 | DA | 9.170 | 10976 | 1.226 | 2.069 | Kepler et al. (2016) |
| SDSS J 224517.61+255043.70 | DA | 8.990 | 11570 | 1.165 | 1.734 | Kepler et al. (2016) |
| SDSS J 222720.65+240601.31 | DA | 8.947 | 9921 | 1.146 | 2.190 | Kepler et al. (2016) |
| SDSS J 232257.27+252807.42 | DA | 8.882 | 6190 | 1.113 | 4.581 | Kepler et al. (2016) |
| SDSS J 164642.67+483207.96 | DA | 8.999 | 15324 | 1.169 | 1.042 | Kepler et al. (2016) |
| SDSS J 110054.91+230604.01 | DA | 9.470 | 11694 | 1.307 | 1.828 | Kepler et al. (2016) |
| SDSS J 111544.64+294249.50 | DA | 9.136 | 8837 | 1.214 | 2.770 | Kepler et al. (2016) |
| SDSS J 102720.47+285746.16 | DA | 9.053 | 8874 | 1.186 | 2.713 | Kepler et al. (2016) |
| SDSS J 100944.29+302102.03 | DA | 9.161 | 6639 | 1.222 | 3.893 | Kepler et al. (2016) |
| SDSS J 130846.79+424119.60 | DA | 8.970 | 7237 | 1.156 | 3.668 | Kepler et al. (2016) |
| SDSS J 101907.08+484805.90 | DA | 9.231 | 12582 | 1.243 | 1.691 | Kepler et al. (2016) |
| SDSS J 122943.28+493451.45 | DA | 9.240 | 16889 | 1.246 | 1.083 | Kepler et al. (2016) |
| SDSS J 110510.71+474804.08 | DA | 9.089 | 9538 | 1.198 | 2.460 | Kepler et al. (2016) |
| SDSS J 150417.23+553900.45 | DO | 9.267 | 6360 | 1.244 | 2.929 | Kepler et al. (2016) |
| SDSS J 145009.87+510705.21 | DA | 9.180 | 11845 | 1.229 | 1.849 | Kepler et al. (2016) |
| SDSS J 132208.52+551939.16 | DAH | 9.098 | 17136 | 1.204 | 0.939 | Kepler et al. (2016) |
| SDSS J 004825.11+350527.94 | DA | 8.887 | 7516 | 1.116 | 3.367 | Kepler et al. (2016) |
| SDSS J 013550.03−042354.59 | DA | 9.150 | 12651 | 1.220 | 1.659 | Kepler et al. (2016) |
| SDSS J 102553.68+622929.41 | DAH | 9.356 | 9380 | 1.276 | 2.359 | Kepler et al. (2016) |
| SDSS J 104827.74+563952.68 | DA | 8.829 | 9680 | 1.090 | 2.134 | Kepler et al. (2016) |
| SDSS J 112322.47+602940.06 | DA | 8.845 | 13611 | 1.099 | 1.121 | Kepler et al. (2016) |
| SDSS J 110036.93+665949.42 | DA | 9.383 | 22251 | 1.286 | 0.760 | Kepler et al. (2016) |
| SDSS J 004920.03−080141.71 | DA | 9.403 | 11648 | 1.289 | 1.849 | Kepler et al. (2016) |
| SDSS J 013514.18+200121.97 | DA | 9.370 | 17134 | 1.281 | 1.130 | Kepler et al. (2016) |
| SDSS J 093710.25+511935.12 | DA | 8.969 | 7030 | 1.155 | 3.827 | Kepler et al. (2016) |
| SDSS J 234929.60+185119.52 | DA | 8.935 | 6966 | 1.139 | 3.848 | Kepler et al. (2016) |
| SDSS J 232512.08+154751.27 | DA | 9.063 | 10083 | 1.190 | 2.234 | Kepler et al. (2016) |
| SDSS J 234044.83+091625.96 | DA | 9.234 | 6166 | 1.242 | 3.957 | Kepler et al. (2016) |
| SDSS J 003652.69+291229.48 | DA | 9.070 | 10284 | 1.192 | 2.182 | Kepler et al. (2016) |
| SDSS J 000011.57−085008.4 | DQ | 9.230 | 10112 | 1.236 | 2.299 | Kleinman et al. (2013) |
| SDSS J 000052.44−002610.5 | DQ | 9.320 | 10088 | 1.257 | 2.192 | Kleinman et al. (2013) |
| GD50 (WD 0346−011) | DA | 9.200 | 42700 | 1.241 | 0.064 | Gianninas et al. (2011) |
| GD518 (WD J165915.11+661033.3) (V) | DA | 9.080 | 12030 | 1.196 | 1.719 | Gianninas et al. (2011) |
| SDSS J 072724.66+403622.0 | DA | 9.010 | 12350 | 1.172 | 1.573 | Curd et al. (2017) |
| SDSS J 084021.23+522217.4 (V) | DA | 8.930 | 12160 | 1.139 | 1.523 | Curd et al. (2017) |
| SDSS J 165538.93+253346.0 | DA | 9.200 | 11060 | 1.234 | 2.035 | Curd et al. (2017) |
| SDSS J 005047.61−002517.1 | DA | 8.980 | 11490 | 1.162 | 1.744 | Mukadam et al. (2004) |
| BPM 37093 (LTT 4816) (V) | DA | 8.843 | 11370 | 1.097 | 1.608 | Nitta et al. (2016) |
Notes. The letter “V” (variable) indicates that the star is a ZZ Ceti star. The last column gives the references from which the Teff and log g values have been extracted.
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