WD 1431+257
All names: SDSS J143315.91+252853.1, KUV 14310+2542, GALEX J143315.9+252854, Gaia DR2 1255305931441876480, Gaia DR3 1255305931441876480, Ton 205, WD 1431+257, SDSS J143315.90+252853.0, SDSS J143315.92+252853.1, Gaia EDR3 1255305931441876480, SDSS J143315.91+252853.0
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 14 33 15.90 (0.05) | 14 33 15.91 | 14 33 15.91 (0.08) | 14 33 15.90 | 14 33 15.92 (0.05) | 14 33 16.06 | 14 33 15.92 | ||||||
| Declination | 25 28 52.95 (0.07) | 25 28 53.12 | 25 28 52.96 (0.1) | 25 28 52.95 | 25 28 53.08 (0.07) | 25 28 50.88 | 25 28 53.10 | ||||||
| Spectral type | DA | DA | DA | DA2.1 | DA | DA | DA | ||||||
| Effective temperature | [K] | 20186.0 | 23690.0 (419) | 23499.0 (680) | 23056.0 (200) | ||||||||
| log(g) | [cgs] | 6.96 | 7.27 (0.06) | 7.19 (0.04) | 7.18 (0.03) | ||||||||
| Mass | [M☉] | 0.258 | 0.39 (0.01) | 0.322 (0.01) | 0.367 (0.008) | ||||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | ||||||||||||
| 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] | 2.85 (0.09) | 2.71 (0.1) | 2.85 | 2.85 (0.09) | ||||||||
| Distance | [pc] | 350.77 (11) | 368.76 (18) | 363.00 | 350.77 | 350.78 (11) | |||||||
| Composition | H | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -12.0212214 (0.07) | -12.15157688 (0.2) | -12.021 (0.07) | |||||||||
| Proper motion (declination) | [mas/yr] | -7.94215177 (0.08) | -7.860595087 (0.2) | -7.942 (0.08) | |||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | 17.00 | ||||||||||||
| V magnitude | 17.00 | ||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | |||||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 16.77 (0.007) | 16.77 (0.007) | 16.81 | 16.81 (0.03) | |||||||||
| g magnitude | 16.75 (0.004) | 16.75 (0.004) | 16.77 | 16.78 (0.02) | |||||||||
| r magnitude | 17.17 (0.005) | 17.17 (0.005) | 17.18 (0.02) | ||||||||||
| i magnitude | 17.49 (0.006) | 17.48 (0.006) | 17.52 (0.02) | ||||||||||
| z magnitude | 17.81 (0.02) | 17.81 (0.02) | 17.82 (0.03) | ||||||||||
| G magnitude | 16.98 (0.007) | 17.01 | 16.98 | 16.98 (0.003) | |||||||||
| BP magnitude | 16.90 (0.007) | 16.87 | |||||||||||
| RP magnitude | 17.18 (0.009) | 17.18 | |||||||||||
| Pan g magnitude | 16.81 (0.008) | ||||||||||||
| Pan r magnitude | 17.18 (0.005) | ||||||||||||
| Pan i magnitude | 17.52 (0.005) | ||||||||||||
| Pan z magnitude | 17.77 (0.009) | ||||||||||||
| Pan y magnitude | 17.92 (0.01) | ||||||||||||
| E(B-V) | 0.022 | ||||||||||||
* Constant surface field
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