SDSS J024058.79-003934.5
All names: SDSS J024058.80-003934.5, Gaia DR3 2498461572200939776, WD 0238-008, PHL 4255, Gaia EDR3 2498461572200939776, SDSS J024058.79-003934.5, HBQS 0238-0052, Gaia DR2 2498461572200939776
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 02 40 58.79 (0.2) | 02 40 58.80 | 02 40 58.79 (0.2) | 02 40 58.79 | 02 40 58.80 (0.2) | 02 40 58.80 | 02 40 58.18 | 02 40 58.80 | ||||||
| Declination | -00 39 34.63 (0.1) | -00 39 34.55 | -00 39 34.63 (0.2) | -00 39 34.63 | -00 39 34.52 (0.1) | -00 39 34.51 | -00 39 29.16 | -00 39 34.50 | ||||||
| Spectral type | DC | DC | DC | DC | DC | DC | DC | DC | ||||||
| Effective temperature | [K] | 10598.0 | 10793.0 | 11293.0 (457) | 11288.0 (167) | 11311.0 (300) | ||||||||
| log(g) | [cgs] | 8.20 | 8.16 | 8.18 (0.06) | 8.83 (0.1) | 9.02 (0.3) | ||||||||
| Mass | [M☉] | 0.726 | 0.678 | 0.692 (0.06) | ||||||||||
| log(Luminosity) | [L☉] | |||||||||||||
| Cooling age | [Gyr] | 0.6979 | 0.6445 | |||||||||||
| log(H/He) | ||||||||||||||
| log(C/He) | ||||||||||||||
| log(Ca/He) | ||||||||||||||
| log(Ca/H) | ||||||||||||||
| Parallax | [mas] | 7.38 (0.2) | 7.56 (0.3) | 7.38 | 7.38 (0.2) | |||||||||
| Distance | [pc] | 135.47 (4) | 132.31 (6) | 135.47 | 135.47 (4) | |||||||||
| Composition | ||||||||||||||
| Proper motion (right ascension) | [mas/yr] | -12.92099904 (0.2) | -12.84680243 (0.3) | -12.921 (0.2) | -14.0 | |||||||||
| Proper motion (declination) | [mas/yr] | -7.021589608 (0.2) | -6.73758401 (0.3) | -7.022 (0.2) | -9.9 | |||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | ||||||||||||||
| B magnitude | 17.91 | |||||||||||||
| V magnitude | ||||||||||||||
| R magnitude | ||||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | ||||||||||||||
| H magnitude | ||||||||||||||
| K magnitude | ||||||||||||||
| u magnitude | 17.92 (0.01) | 17.92 (0.01) | 17.91 (0.02) | 17.90 | 17.94 (0.02) | |||||||||
| g magnitude | 17.83 (0.006) | 17.83 (0.006) | 17.82 (0.02) | 17.82 | 17.84 (0.02) | |||||||||
| r magnitude | 17.99 (0.007) | 17.99 (0.007) | 17.95 (0.01) | 17.95 | 17.95 (0.01) | |||||||||
| i magnitude | 18.15 (0.009) | 18.15 (0.009) | 18.16 (0.02) | 18.15 | 18.16 (0.02) | |||||||||
| z magnitude | 18.31 (0.02) | 18.31 (0.02) | 18.26 (0.03) | 18.25 | 18.27 (0.03) | |||||||||
| G magnitude | 17.88 (0.02) | 17.92 | 17.88 | 17.88 (0.003) | ||||||||||
| BP magnitude | 17.89 (0.02) | 17.79 | ||||||||||||
| RP magnitude | 17.87 (0.03) | 17.81 | ||||||||||||
| Pan g magnitude | 17.87 (0.008) | |||||||||||||
| Pan r magnitude | 18.00 (0.006) | |||||||||||||
| Pan i magnitude | 18.16 (0.003) | |||||||||||||
| Pan z magnitude | 18.36 (0.009) | |||||||||||||
| Pan y magnitude | 18.44 (0.007) | |||||||||||||
| E(B-V) | 0.006 | |||||||||||||
* Constant surface field
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