All names: 2MASS J17024187+3905586, SDSS J170241.84+390558.6, TIC 82553350, WDJ170241.86+390558.82, J1702+3905, GALEX J170241.9+390558, SDSS J170241.86+390558.8, Gaia DR2 1353355434900703616, Gaia DR3 1353355434900703616, SDSS J170241.84+390558.5, Gaia EDR3 1353355434900703616, WDJ170241.86+390558.81, LAMOST J170241.80+390558.6, USNO-A2.0 1275-09166578
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Vincent et al. 2020 | Kilic et al. 2020 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 17 02 41.82 (0.03) | 17 02 41.82 | 17 02 41.82 | 17 02 41.86 (0.03) | 17 02 41.82 | ||||||||
Declination | 39 05 58.23 (0.03) | 39 05 58.25 | 39 05 58.23 | 39 05 58.81 (0.03) | 39 05 58.25 | ||||||||
Spectral type | DA | DA | DA | DA | |||||||||
Effective temperature | [K] | 10494.0 (44) | 10547.0 (44) | 10493.0 (44) | 10612.0 | 10823.0 | 10466.0 (75) | ||||||
log(g) | [cgs] | 8.12 (0.006) | 8.12 (0.006) | 8.14 | 8.09 | 8.10 (0.01) | |||||||
Mass | [M☉] | 0.672 (0.005) | 0.681 (0.005) | 0.676 (0.006) | 0.687 | 0.638 | 0.664 (0.009) | ||||||
log(Luminosity) | [L☉] | ||||||||||||
Cooling age | [Gyr] | 0.6296 | 0.5810 | ||||||||||
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] | 15.43 (0.03) | 15.50 (0.05) | 15.43 | 15.43 (0.03) | 15.50 (0.05) | |||||||
Distance | [pc] | 64.83 (0.1) | 64.52 (0.2) | 64.83 | 64.83 (0.1) | 64.52 (0.2) | |||||||
Composition | H | ||||||||||||
Proper motion (right ascension) | [mas/yr] | -34.10619596 (0.04) | -34.29508973 (0.08) | -34.106 (0.04) | -34.29508973 | ||||||||
Proper motion (declination) | [mas/yr] | -36.40326018 (0.04) | -36.70028308 (0.1) | -36.403 (0.04) | -36.70028308 | ||||||||
Variability | NOV | ||||||||||||
Magnetic | |||||||||||||
Bd | [MG] | ||||||||||||
Infrared excess (disk) | |||||||||||||
Binarity | |||||||||||||
B magnitude | 15.80 (0.3) | ||||||||||||
V magnitude | |||||||||||||
R magnitude | 15.90 (0.3) | ||||||||||||
I magnitude | |||||||||||||
J magnitude | 16.19 (0.1) | ||||||||||||
H magnitude | 15.90 (0.2) | ||||||||||||
K magnitude | |||||||||||||
u magnitude | 16.64 (0.007) | 16.64 (0.007) | |||||||||||
g magnitude | 16.22 (0.004) | 16.22 (0.004) | |||||||||||
r magnitude | 16.33 (0.004) | 16.33 (0.004) | |||||||||||
i magnitude | 16.48 (0.005) | 16.48 (0.005) | |||||||||||
z magnitude | 16.67 (0.01) | 16.67 (0.01) | |||||||||||
G magnitude | 16.24 (0.003) | 16.26 | 16.24 | 16.24 (0.003) | 16.26 | ||||||||
BP magnitude | 16.29 (0.003) | 16.28 | 16.28 | ||||||||||
RP magnitude | 16.18 (0.003) | 16.18 | 16.18 | ||||||||||
Pan g magnitude | 16.22 (0.002) | ||||||||||||
Pan r magnitude | 16.34 (0.002) | ||||||||||||
Pan i magnitude | 16.49 (0.002) | ||||||||||||
Pan z magnitude | 16.67 (0.004) | ||||||||||||
Pan y magnitude | 16.83 (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.