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Table 6
Parameters of CSPNe with reliable distances.
| Star | Pauldrach et al. (2004) | Gaia DR2 | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Teff | log g | log (L∕L⊙) | M | V | E(B−V) | d | log (L∕L⊙) | R | Mspec | Mevol | |
| [K] | [cgs] | [M⊙ ] | [mag] | [mag] | [pc] | [R⊙] | [M⊙] | [M⊙] | |||
| NGC 2392 | 40 000 | 3.70 | 3.7 | 0.41 | 9.68 (1) | 0.03 (2) | 2000 | 4.05 ± 0.11 | 2.2 ± 0.4 | 0.90 ± 0.32 | 0.66 ± 0.06 |
| NGC 3242 | 75 000 | 5.15 | 3.5 | 0.53 | 12.15 (1) | 0.04 (2) | 1470 | 3.62 ± 0.16 | 0.4 ± 0.1 | 0.76 ± 0.33 | 0.55 ± 0.03 |
| IC 4637 | 55 000 | 4.57 | 3.7 | 0.87 | 12.47 (3) | 0.80 (3) | 1330 | 3.90 ± 0.09 | 1.0 ± 0.1 | 1.31 ± 0.41 | 0.60 ± 0.04 |
| IC 4593 | 40 000 | 3.80 | 4.0 | 1.11 | 10.84 (1) | 0.07 (2) | 2630 | 3.88 ± 0.20 | 1.8 ± 0.4 | 0.75 ± 0.38 | 0.59 ± 0.09 |
| He 2-108 | 39 000 | 3.70 | 4.2 | 1.33 | 11.98 (1) | 0.29 (3) | 2790 | 3.71 ± 0.13 | 1.6 ± 0.3 | 0.45 ± 0.17 | 0.56 ± 0.02 |
| IC 418 | 39 000 | 3.70 | 4.2 | 1.33 | 10.0 (3) | 0.16 (2) | 1550 | 3.83 ± 0.10 | 1.8 ± 0.3 | 0.60 ± 0.20 | 0.58 ± 0.03 |
| NGC 6826 | 44 000 | 3.90 | 4.2 | 1.40 | 9.6 (1) | 0.05 (2) | 1580 | 4.02 ± 0.10 | 1.8 ± 0.3 | 0.90 ± 0.29 | 0.65 ± 0.05 |
Notes. Source of photometric data: (1)Simbad, (2) Green et al. (2018), (3) Mendez et al. (1988).
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