WD 2040+003
All names: WDJ204259.24+003156.99, Gaia EDR3 4228210894197669760, LSPM J2042+0031, WD 2040+003, Gaia DR3 4228210894197669760, Gaia DR2 4228210894197669760, USNO-B1.0 0905-00530595, SDSS J204259.23+003156.5, J2042+0031, SDSS J204259.23+003156.6
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Caron et al. 2023 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 20 42 59.16 (0.2) | 20 42 59.16 (0.2) | 20 42 59.16 | 20 42 59.24 (0.2) | 20 42 59.16 | 20 42 59.40 | |||||||
| Declination | 00 31 53.05 (0.1) | 00 31 53.18 (0.2) | 00 31 53.05 | 00 31 56.98 (0.1) | 00 31 53.18 | 00 31 55.92 | |||||||
| Spectral type | DC | DC | DC | DC | DA: | DC | DC12.0 | ||||||
| Effective temperature | [K] | 4614.0 (39) | 4583.0 (38) | 4568.0 | 4252.0 | 4606.0 (86) | |||||||
| log(g) | [cgs] | 7.89 (0.03) | 7.88 (0.03) | 7.86 | 7.60 | 7.86 (0.05) | |||||||
| Mass | [M☉] | 0.514 (0.02) | 0.505 (0.03) | 0.493 | 0.357 | 0.496 (0.04) | |||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 6.4300 | 5.8070 | 4.0710 | |||||||||
| log(H/He) | |||||||||||||
| log(C/He) | |||||||||||||
| log(Ca/He) | |||||||||||||
| log(Ca/H) | |||||||||||||
| log(C/H) | |||||||||||||
| log(N/H) | |||||||||||||
| log(O/H) | |||||||||||||
| log(Na/H) | |||||||||||||
| log(Mg/H) | |||||||||||||
| log(Al/H) | |||||||||||||
| log(Si/H) | |||||||||||||
| log(P/H) | |||||||||||||
| log(S/H) | |||||||||||||
| log(Sc/H) | |||||||||||||
| log(Ti/H) | |||||||||||||
| log(Cr/H) | |||||||||||||
| log(Mn/H) | |||||||||||||
| log(Fe/H) | |||||||||||||
| log(Ni/H) | |||||||||||||
| Parallax | [mas] | 15.82 (0.3) | 15.80 (0.3) | 15.80 (0.3) | 15.82 | 15.82 (0.3) | 15.80 (0.3) | ||||||
| Distance | [pc] | 63.21 (1) | 63.29 (1) | 63.28 (1) | 63.21 | 63.21 (1) | 63.28 (1) | ||||||
| Composition | H | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -75.09577726 (0.3) | -75.3401745 (0.5) | -75.096 (0.3) | -75.3401745 | ||||||||
| Proper motion (declination) | [mas/yr] | -245.4548303 (0.2) | -245.8020534 (0.4) | -245.455 (0.2) | -245.8020534 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | 20.70 | ||||||||||||
| V magnitude | |||||||||||||
| R magnitude | 19.60 | ||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 17.65 (0.04) | 17.65 (0.04) | |||||||||||
| H magnitude | 17.45 (0.04) | 17.45 (0.04) | |||||||||||
| K magnitude | 17.36 (0.05) | 17.36 (0.05) | |||||||||||
| u magnitude | 21.93 (0.2) | 21.73 (0.1) | 22.01 (0.2) | 21.32 | |||||||||
| g magnitude | 19.95 (0.02) | 19.98 (0.02) | 19.67 | ||||||||||
| r magnitude | 19.05 (0.01) | 19.07 (0.01) | 18.86 | ||||||||||
| i magnitude | 18.72 (0.01) | 18.75 (0.01) | 18.56 | ||||||||||
| z magnitude | 18.58 (0.03) | 18.56 (0.03) | 18.49 | ||||||||||
| G magnitude | 19.10 (0.03) | 19.14 | 19.10 | 19.10 (0.003) | 19.14 | ||||||||
| BP magnitude | 19.73 (0.03) | 19.72 | 19.72 | ||||||||||
| RP magnitude | 18.39 (0.02) | 18.44 | 18.44 | ||||||||||
| Pan g magnitude | 19.85 (0.01) | 19.85 (0.01) | |||||||||||
| Pan r magnitude | 19.09 (0.009) | 19.09 (0.008) | |||||||||||
| Pan i magnitude | 18.75 (0.004) | 18.75 (0.005) | |||||||||||
| Pan z magnitude | 18.63 (0.01) | 18.63 (0.01) | |||||||||||
| Pan y magnitude | 18.59 (0.04) | 18.59 (0.04) | |||||||||||
| E(B-V) | 0.002 | ||||||||||||
* Constant surface field
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