WD 1241+651
All names: WD 1241+65, WD 1241+651, SDSS J124320.76+645257.5, GALEX J124320.6+645256, SDSS J124320.57+645256.2, SDSS J124320.77+645257.6, FBS B 706, GD 479, Gaia DR2 1677401852570693120, EGGR 292, FBS 1241+651, Gaia EDR3 1677401852570693120, SDSS J124320.75+645257.4, Gaia DR3 1677401852570693120
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD HE | Gaia DR2 | Stilism | Koester & Kepler 2015 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 43 20.52 (0.04) | 12 43 20.77 | 12 43 20.52 (0.06) | 12 43 20.52 | 12 43 20.78 (0.04) | 12 43 21.43 | ||||||
| Declination | 64 52 55.93 (0.04) | 64 52 57.57 | 64 52 55.98 (0.05) | 64 52 55.93 | 64 52 57.57 (0.04) | 64 52 59.16 | ||||||
| Spectral type | DB4P | DB | DB4P | DB4 | DB | |||||||
| Effective temperature | [K] | 13296.0 | 14188.0 (37) | 14637.0 (256) | ||||||||
| log(g) | [cgs] | 8.05 | 8.00 (0) | 8.19 (0.02) | ||||||||
| Mass | [M☉] | 0.615 | 0.703 (0.02) | |||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.3094 | ||||||||||
| log(H/He) | -5.34 (0.1) | |||||||||||
| log(C/He) | ||||||||||||
| log(Ca/He) | <-8.96 | |||||||||||
| log(Ca/H) | ||||||||||||
| log(N/He) | ||||||||||||
| log(O/He) | ||||||||||||
| log(Na/He) | ||||||||||||
| log(Mg/He) | ||||||||||||
| log(Al/He) | ||||||||||||
| log(Si/He) | ||||||||||||
| log(P/He) | ||||||||||||
| log(S/He) | ||||||||||||
| log(Cl/He) | ||||||||||||
| log(Sc/He) | ||||||||||||
| log(Ti/He) | ||||||||||||
| log(V/He) | ||||||||||||
| log(Cr/He) | ||||||||||||
| log(Mn/He) | ||||||||||||
| log(Fe/He) | ||||||||||||
| log(Co/He) | ||||||||||||
| log(Ni/He) | ||||||||||||
| log(Cu/He) | ||||||||||||
| log(Zn/He) | ||||||||||||
| log(Ga/He) | ||||||||||||
| log(Ge/He) | ||||||||||||
| log(Sr/He) | ||||||||||||
| Parallax | [mas] | 9.59 (0.04) | 9.57 (0.06) | 9.59 | 9.59 (0.04) | |||||||
| Distance | [pc] | 104.23 (0.5) | 104.47 (0.7) | 114.00 | 104.23 | 104.23 (0.5) | ||||||
| Composition | He | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -103.6900866 (0.05) | -103.6730238 (0.1) | -103.69 (0.05) | ||||||||
| Proper motion (declination) | [mas/yr] | -102.579453 (0.05) | -102.7024254 (0.09) | -102.579 (0.05) | ||||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | 16.00 | |||||||||||
| V magnitude | 16.00 | |||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 16.54 (0.006) | 16.55 (0.006) | ||||||||||
| g magnitude | 16.60 (0.004) | 16.59 (0.004) | ||||||||||
| r magnitude | 16.87 (0.005) | 16.87 (0.005) | ||||||||||
| i magnitude | 17.10 (0.006) | 17.10 (0.006) | ||||||||||
| z magnitude | 17.33 (0.01) | 17.32 (0.01) | ||||||||||
| G magnitude | 16.71 (0.004) | 16.74 | 16.71 | 16.71 (0.003) | ||||||||
| BP magnitude | 16.66 (0.004) | 16.65 | ||||||||||
| RP magnitude | 16.75 (0.005) | 16.75 | ||||||||||
| Pan g magnitude | 16.64 (0.004) | |||||||||||
| Pan r magnitude | 16.85 (0.005) | |||||||||||
| Pan i magnitude | 17.09 (0.006) | |||||||||||
| Pan z magnitude | 17.27 (0.01) | |||||||||||
| Pan y magnitude | 17.46 (0.01) | |||||||||||
| E(B-V) | 0.008 | |||||||||||
* Constant surface field
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