WD 0840+200
All names: SDSS J084252.29+195111.1, [A66] II 582, Gaia DR3 661353224747229184, SDSS J084252.28+195111.0, SDSS J084252.27+195111.0, WD 0840+200, Gaia EDR3 661353224747229184, Gaia DR2 661353224747229184, LB 1876
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 42 52.27 (0.1) | 08 42 52.29 | 08 42 52.27 (0.2) | 08 42 52.27 | 08 42 52.31 (0.1) | 08 42 52.22 | |||||
| Declination | 19 51 10.98 (0.05) | 19 51 11.13 | 19 51 10.99 (0.09) | 19 51 10.98 | 19 51 11.19 (0.05) | 19 51 11.16 | |||||
| Spectral type | DA5 | DA | DA5 | DA5 | DA | ||||||
| Effective temperature | [K] | 15195.0 | 16523.0 (505) | ||||||||
| log(g) | [cgs] | 8.26 | 8.27 (0.04) | ||||||||
| Mass | [M☉] | 0.772 | 0.782 (0.03) | ||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 0.2868 | |||||||||
| 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] | 5.50 (0.1) | 5.82 (0.2) | 5.50 | 5.50 (0.1) | ||||||
| Distance | [pc] | 181.81 (5) | 171.83 (6) | 181.81 | 181.81 (5) | ||||||
| Composition | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -36.90019589 (0.1) | -36.11857152 (0.3) | -36.9 (0.1) | |||||||
| Proper motion (declination) | [mas/yr] | -13.2366072 (0.1) | -13.29434881 (0.2) | -13.237 (0.1) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | 17.84 | ||||||||||
| V magnitude | 17.69 | ||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 17.95 (0.01) | 17.94 (0.01) | |||||||||
| g magnitude | 17.70 (0.005) | 17.70 (0.005) | |||||||||
| r magnitude | 18.00 (0.007) | 18.01 (0.007) | |||||||||
| i magnitude | 18.23 (0.009) | 18.24 (0.009) | |||||||||
| z magnitude | 18.47 (0.03) | 18.48 (0.03) | |||||||||
| G magnitude | 17.86 (0.009) | 17.88 | 17.86 | 17.86 (0.003) | |||||||
| BP magnitude | 17.82 (0.009) | 17.79 | |||||||||
| RP magnitude | 18.00 (0.02) | 17.95 | |||||||||
| Pan g magnitude | 17.73 (0.006) | ||||||||||
| Pan r magnitude | 18.00 (0.005) | ||||||||||
| Pan i magnitude | 18.28 (0.006) | ||||||||||
| Pan z magnitude | 18.53 (0.008) | ||||||||||
| Pan y magnitude | 18.66 (0.02) | ||||||||||
| E(B-V) | 0.008 | ||||||||||
* Constant surface field
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