WD 1437+135
All names: Gaia DR3 1179626958418884864, WDJ144018.83+131836.06, USNO-B1.0 1033-00239850, J1440+1318, WD 1437+135, NLTT 38045, Gaia DR2 1179626958418884864, Gaia EDR3 1179626958418884864, LSPM J1440+1318, SDSS J144018.80+131835.3, LP 500-76
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Caron et al. 2023 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 14 40 18.73 (0.1) | 14 40 18.74 (0.2) | 14 40 18.73 | 14 40 18.83 (0.1) | 14 40 18.74 | 14 40 18.58 | ||||||
| Declination | 13 18 32.71 (0.1) | 13 18 32.82 (0.2) | 13 18 32.71 | 13 18 36.06 (0.1) | 13 18 32.82 | 13 18 27.72 | ||||||
| Spectral type | DC | DC | DC | DA: | DC | DC9.4 | ||||||
| Effective temperature | [K] | 4869.0 (25) | 5281.0 | 4978.0 | 5258.0 (57) | |||||||
| log(g) | [cgs] | 7.71 (0.02) | 7.99 | 7.79 | 7.99 (0.03) | |||||||
| Mass | [M☉] | 0.411 (0.01) | 0.578 | 0.448 | 0.577 (0.02) | |||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 3.6700 | 4.1470 | 3.7980 | ||||||||
| log(H/He) | ||||||||||||
| log(C/He) | ||||||||||||
| log(Ca/He) | ||||||||||||
| 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] | 18.47 (0.2) | 18.27 (0.2) | 18.27 (0.2) | 18.47 | 18.47 (0.2) | 18.27 (0.2) | |||||
| Distance | [pc] | 54.14 (0.5) | 54.73 (0.7) | 54.73 (0.7) | 54.14 | 54.14 (0.5) | 54.73 (0.7) | |||||
| Composition | He | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -89.65172814 (0.2) | -89.73284838 (0.3) | -89.652 (0.2) | -89.73284838 | |||||||
| Proper motion (declination) | [mas/yr] | -209.3974734 (0.2) | -209.2425597 (0.4) | -209.397 (0.2) | -209.2425597 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | 18.90 | |||||||||||
| V magnitude | ||||||||||||
| R magnitude | 18.00 | |||||||||||
| I magnitude | ||||||||||||
| J magnitude | 17.15 (0.02) | |||||||||||
| H magnitude | 16.93 (0.02) | |||||||||||
| K magnitude | 16.83 (0.04) | |||||||||||
| u magnitude | 20.12 (0.04) | 20.11 (0.06) | 20.12 (0.05) | 20.08 | ||||||||
| g magnitude | 18.83 (0.01) | 18.84 (0.009) | 18.86 | |||||||||
| r magnitude | 18.26 (0.008) | 18.27 (0.007) | 18.29 | |||||||||
| i magnitude | 18.00 (0.009) | 18.02 (0.008) | 18.06 | |||||||||
| z magnitude | 17.95 (0.02) | 17.87 (0.02) | 17.99 | |||||||||
| G magnitude | 18.29 (0.03) | 18.31 | 18.29 | 18.29 (0.003) | 18.31 | |||||||
| BP magnitude | 18.74 (0.03) | 18.74 | 18.74 | |||||||||
| RP magnitude | 17.69 (0.02) | 17.73 | 17.73 | |||||||||
| Pan g magnitude | 18.76 (0.009) | 18.76 (0.008) | ||||||||||
| Pan r magnitude | 18.26 (0.007) | 18.26 (0.006) | ||||||||||
| Pan i magnitude | 18.05 (0.003) | 18.05 (0.003) | ||||||||||
| Pan z magnitude | 17.96 (0.007) | 17.96 (0.007) | ||||||||||
| Pan y magnitude | 17.96 (0.03) | 17.96 (0.02) | ||||||||||
| E(B-V) | 0.004 | |||||||||||
* Constant surface field
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