All names: Gaia DR2 4575047031111936896, TIC 257214361, SDSS J170646.41+275525.3, WIRED J170646.39+275525.2, WDJ170646.41+275525.25, Gaia DR3 4575047031111936896, Gaia EDR3 4575047031111936896, 2MASS J17064636+2755248, SDSS J170646.39+275525.3, SDSS J170646.40+275525.3, LAMOST J170646.41+275525.3, GALEX J170646.4+275525, SDSS J170646.39+275525.2
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 17 06 46.40 (0.02) | 17 06 46.40 | 17 06 46.40 (0.03) | 17 06 46.40 | 17 06 46.41 (0.02) | 17 06 46.40 | 17 06 46.40 | ||||||
| Declination | 27 55 25.20 (0.03) | 27 55 25.30 | 27 55 25.20 (0.04) | 27 55 25.20 | 27 55 25.25 (0.03) | 27 55 25.20 | 27 55 25.25 | ||||||
| Spectral type | DA | DA | DA | DA | |||||||||
| Effective temperature | [K] | 15255.0 | 16094.0 | 15923.0 (180) | 15995.0 (56) | ||||||||
| log(g) | [cgs] | 8.29 | 8.39 | 8.33 (0.01) | 8.25 (0.009) | ||||||||
| Mass | [M☉] | 0.791 | 0.836 | 0.819 (0.008) | 0.756 (0.006) | ||||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 0.2977 | 0.3156 | ||||||||||
| log(H/He) | |||||||||||||
| log(C/He) | |||||||||||||
| log(Ca/He) | |||||||||||||
| log(Ca/H) | |||||||||||||
| Parallax | [mas] | 12.43 (0.04) | 12.40 (0.05) | 12.43 | 12.43 (0.04) | 12.40 (0.05) | |||||||
| Distance | [pc] | 80.47 (0.2) | 80.63 (0.3) | 80.47 | 80.47 (0.2) | 80.63 (0.3) | |||||||
| Composition | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | -8.000942176 (0.03) | -7.99858627 (0.07) | -8.001 (0.03) | -7.998586269 | ||||||||
| Proper motion (declination) | [mas/yr] | -3.551533946 (0.04) | -3.610660523 (0.09) | -3.552 (0.04) | -3.610660523 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | |||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 16.56 (0.1) | ||||||||||||
| H magnitude | 16.79 (0.1) | ||||||||||||
| K magnitude | 17.22 (0.1) | ||||||||||||
| u magnitude | 16.38 (0.006) | 16.38 (0.006) | 16.38 (0.007) | 16.38 (0.02) | |||||||||
| g magnitude | 16.11 (0.004) | 16.11 (0.004) | 16.10 (0.003) | 16.13 (0.01) | |||||||||
| r magnitude | 16.39 (0.005) | 16.39 (0.005) | 16.39 (0.004) | 16.41 (0.02) | |||||||||
| i magnitude | 16.66 (0.006) | 16.66 (0.006) | 16.65 (0.005) | 16.67 (0.01) | |||||||||
| z magnitude | 16.91 (0.01) | 16.91 (0.01) | 16.86 (0.01) | 16.88 (0.02) | |||||||||
| G magnitude | 16.26 (0.003) | 16.28 | 16.26 | 16.26 (0.003) | 16.28 | ||||||||
| BP magnitude | 16.23 (0.003) | 16.21 | 16.21 | ||||||||||
| RP magnitude | 16.37 (0.005) | 16.37 | 16.37 | ||||||||||
| Pan g magnitude | 16.13 (0.004) | ||||||||||||
| Pan r magnitude | 16.40 (0.005) | ||||||||||||
| Pan i magnitude | 16.67 (0.003) | ||||||||||||
| Pan z magnitude | 16.90 (0.004) | ||||||||||||
| Pan y magnitude | 17.09 (0.01) | ||||||||||||
| E(B-V) | 0.009 | ||||||||||||
* 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.