All names: Gaia DR2 1310514849813902592, WD 1702+322, SDSS J170400.01+321328.6, SDSS J170400.00+321328.5, Gaia EDR3 1310514849813902592, SDSS J170400.01+321328.7, Gaia DR3 1310514849813902592, GALEX J170359.9+321328
| Parameter | Unit | Gaia EDR3 | SDSS DR12 | Gaia DR2 | Stilism | Ferrario et al. 2015 | Kulebi et al. 2009 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 17 04 00.00 (0.5) | 17 04 00.01 | 17 04 00.00 (0.7) | 17 04 00.01 | 17 04 00.01 (0.5) | 17 04 00.01 | 17 03 59.90 | 17 04 00.01 | ||||
| Declination | 32 13 28.28 (0.6) | 32 13 28.58 | 32 13 28.29 (0.9) | 32 13 28.70 | 32 13 28.58 (0.6) | 32 13 28.61 | 32 13 23.52 | 32 13 28.66 | ||||
| Spectral type | DA | DAH | DAP | DA_H: | DA | DA | DA | |||||
| Effective temperature | [K] | 23000.0 | 24430.0 (1172) | 25597.0 (1118) | ||||||||
| log(g) | [cgs] | 8.00 (0) | 8.95 (0.06) | 9.39 (0.2) | ||||||||
| Mass | [M☉] | 1.292 (0.05) | ||||||||||
| 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] | 2.60 (0.7) | 3.28 (0.8) | 2.60 (0.7) | ||||||||
| Distance | [pc] | 384.31 (103) | 304.68 (75) | 384.30 (103) | ||||||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -4.39250458 (0.9) | -1.798962473 (2) | -4.393 (0.9) | -0.2 | |||||||
| Proper motion (declination) | [mas/yr] | -18.47823764 (0.8) | -19.82080699 (2) | -18.478 (0.8) | -23.4 | |||||||
| Variability | ||||||||||||
| Magnetic | yes | yes | ||||||||||
| Bd | [MG] | 50.11 (25) | 50.11 (25) | |||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 20.30 (0.04) | 20.30 (0.04) | 20.31 (0.05) | 20.31 | 20.30 (0.05) | |||||||
| g magnitude | 20.43 (0.02) | 20.43 (0.02) | 20.42 (0.02) | 20.42 | 20.42 (0.02) | |||||||
| r magnitude | 20.83 (0.03) | 20.83 (0.03) | 20.83 (0.03) | 20.83 | 20.83 (0.03) | |||||||
| i magnitude | 21.08 (0.05) | 21.08 (0.05) | 21.07 (0.05) | 21.07 | 21.08 (0.05) | |||||||
| z magnitude | 21.96 (0.4) | 21.96 (0.4) | 21.78 (0.4) | 21.78 | 21.80 (0.4) | |||||||
| G magnitude | 20.60 (0.1) | 20.69 | 20.60 (0.009) | |||||||||
| BP magnitude | 20.54 (0.1) | 20.58 | ||||||||||
| RP magnitude | 20.50 (0.2) | 20.48 | ||||||||||
| Pan g magnitude | ||||||||||||
| Pan r magnitude | ||||||||||||
| Pan i magnitude | ||||||||||||
| Pan z magnitude | ||||||||||||
| Pan y magnitude | ||||||||||||
| E(B-V) | 0.022 | |||||||||||
* 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.