Table 2
Atmospheric properties and other parameters of the white dwarf central star WD1 in M37.
| Parameter | Value |
|---|---|
| Spectral type | PG1159 |
| Teff (K) | 90 000+ 10 000 |
| log(g) (cm s−2) | 8.3 ± 0.3 |
| He | 0.94 ± 0.03 |
| C | 0.06 ± 0.03 |
| L (L⊙) |  |
| R (R⊙) |  |
| M (M⊙) (VLTP) |  |
| d (pc) (SED fit) |  |
| d (pc) (Gaia parallax) |  |
| d (pc) (M37) | 1490 ± 90 |
Notes. Element abundances given in mass fractions. Stellar mass derived from VLTP tracks (Fig. 3). The Gaia distance of WD1 is taken from Bailer-Jones et al. (2021) and the distance of M37 from Griggio & Bedin (2022) using Gaia Early Data Release 3 data.
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