All names: J1021-1034, WD 1018-103, Gaia DR3 3767515389014753152, 2MASS J10211922-1034487, TIC 36821996, EC 10188-1019, WDJ102119.23-103448.81, Gaia EDR3 3767515389014753152, GALEX J102119.2-103448, Gaia DR2 3767515389014753152
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Hardy et al. 2023a | Caron et al. 2023 | Gaia DR2 | Stilism | Ferrario et al. 2015 | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 10 21 19.09 (0.06) | 10 21 19.09 (0.09) | 10 21 19.09 | 10 21 19.23 (0.06) | 10 21 19.09 | 10 21 18.55 | |||||||
| Declination | -10 34 48.19 (0.05) | -10 34 48.21 (0.09) | -10 34 48.19 | -10 34 48.81 (0.05) | -10 34 48.21 | -10 34 44.40 | |||||||
| Spectral type | DAH | DAH | DA | DA | DA | DAH2.8 | DA5 | ||||||
| Effective temperature | [K] | 10484.9 (124) | 10587.0 (50) | 17720.0 | 17720.0 (348) | 10331.0 (133) | |||||||
| log(g) | [cgs] | 8.59 (0.02) | 8.60 (0.007) | 8.52 | 8.52 (0.06) | 8.57 (0.02) | |||||||
| Mass | [M☉] | 0.9786751812893142 (0.02) | 0.985 (0.006) | 0.94 (0.04) | 0.967 (0.01) | ||||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 1.6100 | |||||||||||
| 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] | 21.05 (0.08) | 21.00 (0.1) | 21.00 (0.1) | 21.05 | 21.05 (0.08) | 21.00 (0.1) | ||||||
| Distance | [pc] | 47.50 (0.2) | 47.62 (0.2) | 47.61 (0.2) | 81.00 | 47.50 | 47.50 (0.2) | 47.61 (0.2) | |||||
| Composition | H | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -135.7967998 (0.07) | -135.7699668 (0.2) | -135.797 (0.07) | -135.7699668 | ||||||||
| Proper motion (declination) | [mas/yr] | 38.49207385 (0.08) | 38.61815894 (0.1) | 38.492 (0.08) | 38.61815894 | ||||||||
| Variability | |||||||||||||
| Magnetic | yes | yes | |||||||||||
| Bd | [MG] | 2.088874975220665 | 3 | ||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | 16.58 | ||||||||||||
| V magnitude | 16.35 | ||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 16.34 (0.01) | 16.60 (0.1) | |||||||||||
| H magnitude | 16.34 (0.02) | 16.35 (0.2) | |||||||||||
| K magnitude | 16.35 (0.05) | ||||||||||||
| u magnitude | |||||||||||||
| g magnitude | |||||||||||||
| r magnitude | |||||||||||||
| i magnitude | |||||||||||||
| z magnitude | |||||||||||||
| G magnitude | 16.37 (0.008) | 16.40 | 16.37 | 16.37 (0.003) | 16.40 | ||||||||
| BP magnitude | 16.42 (0.008) | 16.43 | 16.43 | ||||||||||
| RP magnitude | 16.32 (0.004) | 16.33 | 16.33 | ||||||||||
| Pan g magnitude | 16.37 (0.003) | 16.37 (0.003) | |||||||||||
| Pan r magnitude | 16.46 (0.004) | 16.46 (0.004) | |||||||||||
| Pan i magnitude | 16.60 (0.004) | 16.60 (0.004) | |||||||||||
| Pan z magnitude | 16.78 (0.004) | 16.78 (0.004) | |||||||||||
| Pan y magnitude | 16.87 (0.009) | 16.87 (0.008) | |||||||||||
| E(B-V) | 0.001 | ||||||||||||
* Constant surface field
Spectra without link are available upon request
The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour (Université de Montréal) and Dr. Simon Blouin (University of Victoria). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.