WD 1257+642
All names: SDSS J125907.62+635827.3, Gaia DR2 1677045125471122304, SDSS J125907.62+635827.0, SDSS J125907.61+635827.1, Gaia DR3 1677045125471122304, GALEX J125907.6+635827, SDSS J125907.62+635827.2, WD 1257+642, Gaia EDR3 1677045125471122304
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Tremblay et al. 2011 | 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 | 12 59 07.64 (0.09) | 12 59 07.62 | 12 59 07.64 (0.1) | 12 59 07.64 | 12 59 07.62 (0.09) | 12 59 07.63 | 12 59 07.22 | 12 59 07.62 | 12 59 07.62 | ||||||
| Declination | 63 58 26.99 (0.08) | 63 58 27.31 | 63 58 26.99 (0.09) | 63 58 26.99 | 63 58 27.26 (0.08) | 63 58 27.28 | 63 58 20.28 | 63 58 27.20 | 63 58 27.19 | ||||||
| Spectral type | DA | DA | DA | DA | DA | DA2.2 | DA | DA | |||||||
| Effective temperature | [K] | 19776.0 | 25320.0 (370) | 23354.0 (1172) | 22775.0 (247) | 24138.0 (254) | 22888.0 (260) | ||||||||
| log(g) | [cgs] | 7.83 | 8.14 (0.06) | 7.94 (0.06) | 7.92 (0.04) | 8.07 (0.04) | 7.96 (0.04) | ||||||||
| Mass | [M☉] | 0.532 | 0.72 (0.03) | 0.599 (0.04) | 0.667 (0.02) | ||||||||||
| log(Luminosity) | [L☉] | ||||||||||||||
| Cooling age | [Gyr] | 0.0475 | 0.0347 | ||||||||||||
| 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] | 3.08 (0.1) | 3.23 (0.1) | 3.08 | 3.08 (0.1) | ||||||||||
| Distance | [pc] | 324.28 (10) | 309.99 (12) | 324.28 | 324.28 (10) | ||||||||||
| Composition | H | H | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | 8.410395321 (0.1) | 8.441362244 (0.3) | 8.41 (0.1) | -1.3 | -4.0 | |||||||||
| Proper motion (declination) | [mas/yr] | -17.03765408 (0.1) | -17.03191174 (0.2) | -17.038 (0.1) | -16.5 | -17.0 | |||||||||
| Variability | |||||||||||||||
| Magnetic | |||||||||||||||
| Bd | [MG] | ||||||||||||||
| Infrared excess (disk) | |||||||||||||||
| Binarity | |||||||||||||||
| B magnitude | |||||||||||||||
| V magnitude | |||||||||||||||
| R magnitude | |||||||||||||||
| I magnitude | |||||||||||||||
| J magnitude | |||||||||||||||
| H magnitude | |||||||||||||||
| K magnitude | |||||||||||||||
| u magnitude | 17.76 (0.01) | 17.76 (0.01) | 17.76 (0.01) | 17.76 | 17.76 (0.01) | 17.76 (0.02) | |||||||||
| g magnitude | 17.77 (0.005) | 17.77 (0.005) | 17.79 (0.02) | 17.80 | 17.79 (0.02) | 17.80 (0.03) | |||||||||
| r magnitude | 18.20 (0.007) | 18.20 (0.007) | 18.20 (0.02) | 18.20 | 18.20 (0.02) | 18.20 (0.01) | |||||||||
| i magnitude | 18.51 (0.01) | 18.51 (0.01) | 18.53 (0.02) | 18.51 | 18.52 (0.02) | 18.51 (0.02) | |||||||||
| z magnitude | 18.74 (0.04) | 18.74 (0.04) | 18.76 (0.04) | 18.74 | 18.77 (0.04) | 18.74 (0.04) | |||||||||
| G magnitude | 18.01 (0.01) | 18.04 | 18.01 | 18.01 (0.003) | |||||||||||
| BP magnitude | 17.93 (0.01) | 17.90 | |||||||||||||
| RP magnitude | 18.22 (0.02) | 18.22 | |||||||||||||
| Pan g magnitude | 17.84 (0.007) | ||||||||||||||
| Pan r magnitude | 18.20 (0.005) | ||||||||||||||
| Pan i magnitude | 18.53 (0.007) | ||||||||||||||
| Pan z magnitude | 18.80 (0.02) | ||||||||||||||
| Pan y magnitude | 18.88 (0.03) | ||||||||||||||
| E(B-V) | 0.017 | ||||||||||||||
* Constant surface field
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