All names: 2RE J165020+403735, FBS B 147, 1RXS J165020.4+403723, WD 1648+407, RE J1650+40, SDSS J165020.06+403722.5, SDSS J165020.06+403722.6, [FS2003] 0850, RE J1650+403, Gaia EDR3 1353169686155129344, FBS 1648+407, TIC 43273224, SDSS J165020.06+403722.58, SDSS J165020.07+403722.6, 2MASS J16502004+4037228, LAMOST J165020.06+403722.6, RX J1650.2+4037, Gaia DR2 1353169686155129344, EUVE J1650+40.6, 2EUVE J1650+40.6, [ZEH2003] RX J1650.3+4037 1, WDJ165020.07+403722.59, Gaia DR3 1353169686155129344, RX J1650.3+4037, RE J165019+403729, 2RE J1650+403
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | SDSS DR10 | Kilic et al. 2026a | Bedard et al. 2020 | Gaia DR2 | Stilism | Kepler et al. 2015 | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 16 50 20.05 (0.03) | 16 50 20.07 | 16 50 20.07 | 16 50 20.05 (0.04) | 16 50 20.05 | 16 50 20.07 (0.03) | 16 50 19.08 | ||||||||
| Declination | 40 37 22.60 (0.03) | 40 37 22.64 | 40 37 22.64 | 40 37 22.60 (0.05) | 40 37 22.60 | 40 37 22.59 (0.03) | 40 37 26.76 | ||||||||
| Spectral type | DA | DA | DA | DA | DA | DA1.3 | DA1 | DA | |||||||
| Effective temperature | [K] | 37238.0 (1698) | 39690.0 (137) | 42600.0 (236) | 39240.0 (743) | 41302.0 (1959) | |||||||||
| log(g) | [cgs] | 7.96 (0.03) | 7.89 (0.02) | 8.27 (0.03) | 8.05 (0.07) | 8.06 (0.03) | |||||||||
| Mass | [M☉] | 0.638 (0.02) | 0.61 (0.01) | 0.805 (0.02) | 0.7 (0.04) | 0.699 (0.02) | |||||||||
| log(Luminosity) | [L☉] | -0.32 (0.01) | |||||||||||||
| Cooling age | [Gyr] | 0.0038 (0.0001) | |||||||||||||
| log(H/He) | |||||||||||||||
| log(C/He) | |||||||||||||||
| log(Ca/He) | |||||||||||||||
| log(Ca/H) | |||||||||||||||
| log(Li/H) | |||||||||||||||
| log(Be/H) | |||||||||||||||
| log(B/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(Cl/H) | |||||||||||||||
| log(K/H) | |||||||||||||||
| log(Sc/H) | |||||||||||||||
| log(Ti/H) | |||||||||||||||
| log(V/H) | |||||||||||||||
| log(Cr/H) | |||||||||||||||
| log(Mn/H) | |||||||||||||||
| log(Fe/H) | |||||||||||||||
| log(Co/H) | |||||||||||||||
| log(Ni/H) | |||||||||||||||
| log(Cu/H) | |||||||||||||||
| log(Sr/H) | |||||||||||||||
| Parallax | [mas] | 5.40 (0.03) | 5.39 (0.05) | 5.40 | 5.40 (0.03) | ||||||||||
| Distance | [pc] | 185.19 (1) | 185.41 (2) | 179.00 | 185.19 | 185.19 (1) | |||||||||
| Composition | H | H | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -11.34212588 (0.04) | -11.25887005 (0.09) | -11.342 (0.04) | |||||||||||
| Proper motion (declination) | [mas/yr] | 0.662122928 (0.05) | 0.851111393 (0.1) | 0.662 (0.05) | |||||||||||
| Variability | |||||||||||||||
| Magnetic | |||||||||||||||
| Bd | [MG] | ||||||||||||||
| Infrared excess (disk) | |||||||||||||||
| Binarity | |||||||||||||||
| B magnitude | |||||||||||||||
| V magnitude | 14.50 | 16.00 | |||||||||||||
| R magnitude | |||||||||||||||
| I magnitude | |||||||||||||||
| J magnitude | 16.44 (0.1) | ||||||||||||||
| H magnitude | |||||||||||||||
| K magnitude | |||||||||||||||
| u magnitude | 15.20 (0.004) | 15.20 (0.004) | 15.25 (0.02) | 15.20 (0.004) | |||||||||||
| g magnitude | 15.55 (0.004) | 15.55 (0.004) | 15.54 (0.02) | 15.55 (0.004) | |||||||||||
| r magnitude | 16.08 (0.004) | 16.08 (0.004) | 16.10 (0.02) | 16.08 (0.004) | |||||||||||
| i magnitude | 16.44 (0.005) | 16.44 (0.005) | 16.45 (0.01) | 16.44 (0.005) | |||||||||||
| z magnitude | 16.76 (0.009) | 16.76 (0.009) | 16.76 (0.02) | 16.77 (0.009) | |||||||||||
| G magnitude | 15.82 (0.002) | 15.84 | 15.82 | 15.82 (0.003) | |||||||||||
| BP magnitude | 15.67 (0.002) | 15.60 | |||||||||||||
| RP magnitude | 16.14 (0.003) | 16.14 | |||||||||||||
| Pan g magnitude | 15.64 (0.005) | ||||||||||||||
| Pan r magnitude | 16.10 (0.003) | ||||||||||||||
| Pan i magnitude | 16.47 (0.002) | ||||||||||||||
| Pan z magnitude | 16.75 (0.005) | ||||||||||||||
| Pan y magnitude | 16.94 (0.009) | ||||||||||||||
| E(B-V) | 0.018 | ||||||||||||||
* 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.