WD 1636+433
All names: SDSS J163806.41+431302.3, WD 1636+433, SDSS J163806.41+431302.2, GALEX J163806.4+431301, USNO-A2.0 1275-09007390, Gaia DR2 1357268798647095936, SDSS J163806.40+431302.2, Gaia DR3 1357268798647095936, Gaia EDR3 1357268798647095936
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Kleinman et al. 2004 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 16 38 06.39 (0.1) | 16 38 06.40 | 16 38 06.39 (0.2) | 16 38 06.39 | 16 38 06.41 (0.1) | 16 38 06.41 | 16 38 05.95 | 16 38 06.41 | 16 38 06.41 | |||||
| Declination | 43 13 01.44 (0.2) | 43 13 02.25 | 43 13 01.46 (0.2) | 43 13 01.44 | 43 13 02.27 (0.2) | 43 13 02.27 | 43 13 00.48 | 43 13 02.29 | 43 13 02.28 | |||||
| Spectral type | DA | DA | DA | DA | DA5.4 | DA | DA | |||||||
| Effective temperature | [K] | 9091.0 | 9249.0 (291) | 9332.0 (83) | 9232.0 (81) | 9347.0 (81) | ||||||||
| log(g) | [cgs] | 7.97 | 7.97 (0.06) | 8.10 (0.1) | 8.01 (0.1) | 8.15 (0.1) | ||||||||
| Mass | [M☉] | 0.579 | 0.581 (0.05) | 0.604 (0.07) | ||||||||||
| log(Luminosity) | [L☉] | |||||||||||||
| Cooling age | [Gyr] | 0.7377 | ||||||||||||
| 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] | 5.61 (0.2) | 5.69 (0.2) | 5.61 | 5.61 (0.2) | |||||||||
| Distance | [pc] | 178.38 (5) | 175.83 (7) | 178.38 | 178.38 (5) | |||||||||
| Composition | H | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | -9.931377435 (0.2) | -9.958115771 (0.4) | -9.931 (0.2) | -5.0 | -6.0 | ||||||||
| Proper motion (declination) | [mas/yr] | -52.30510559 (0.2) | -52.2133308 (0.5) | -52.305 (0.2) | -55.1 | -54.0 | ||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | ||||||||||||||
| B magnitude | 18.50 (0.3) | |||||||||||||
| V magnitude | ||||||||||||||
| R magnitude | 18.40 (0.3) | |||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | ||||||||||||||
| H magnitude | ||||||||||||||
| K magnitude | ||||||||||||||
| u magnitude | 19.10 (0.02) | 19.10 (0.02) | 19.09 (0.03) | 19.10 | 19.09 (0.03) | 19.10 (0.03) | ||||||||
| g magnitude | 18.69 (0.008) | 18.69 (0.008) | 18.69 (0.01) | 18.70 | 18.69 (0.01) | 18.70 (0.01) | ||||||||
| r magnitude | 18.73 (0.009) | 18.73 (0.009) | 18.73 (0.02) | 18.73 | 18.72 (0.02) | 18.73 (0.02) | ||||||||
| i magnitude | 18.80 (0.01) | 18.80 (0.01) | 18.79 (0.02) | 18.79 | 18.79 (0.02) | 18.79 (0.02) | ||||||||
| z magnitude | 18.93 (0.04) | 18.93 (0.04) | 18.94 (0.04) | 18.95 | 18.94 (0.04) | 18.95 (0.04) | ||||||||
| G magnitude | 18.66 (0.01) | 18.69 | 18.66 | 18.66 (0.003) | ||||||||||
| BP magnitude | 18.76 (0.01) | 18.74 | ||||||||||||
| RP magnitude | 18.55 (0.03) | 18.52 | ||||||||||||
| Pan g magnitude | 18.71 (0.006) | |||||||||||||
| Pan r magnitude | 18.75 (0.01) | |||||||||||||
| Pan i magnitude | 18.84 (0.005) | |||||||||||||
| Pan z magnitude | 18.97 (0.01) | |||||||||||||
| Pan y magnitude | 19.07 (0.03) | |||||||||||||
| E(B-V) | 0.016 | |||||||||||||
* Constant surface field
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