All names: J2013+0709, SDSS J201353.35+070946.0, SDSS J201353.36+070946.0, Gaia DR3 4250461749665556224, Gaia DR2 4250461749665556224, 2MASS J20135335+0709466, Gaia EDR3 4250461749665556224, TIC 273424829, WDJ201353.38+070946.36
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 | 20 13 53.31 (0.05) | 20 13 53.31 | 20 13 53.31 | 20 13 53.38 (0.05) | 20 13 53.31 | ||||||||
Declination | 07 09 45.11 (0.03) | 07 09 45.15 | 07 09 45.11 | 07 09 46.36 (0.03) | 07 09 45.15 | ||||||||
Spectral type | DA | DA | DA | DA | |||||||||
Effective temperature | [K] | 11684.0 (88) | 11645.0 (84) | 11687.0 (88) | 11248.0 | 11742.0 | 11251.0 (108) | ||||||
log(g) | [cgs] | 8.11 (0.008) | 8.09 (0.01) | 8.04 | 8.03 | 8.05 (0.01) | |||||||
Mass | [M☉] | 0.668 (0.008) | 0.656 (0.009) | 0.659 (0.009) | 0.63 | 0.6 | 0.633 (0.01) | ||||||
log(Luminosity) | [L☉] | ||||||||||||
Cooling age | [Gyr] | 0.4702 | 0.4227 | ||||||||||
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] | 12.27 (0.06) | 12.15 (0.08) | 12.27 | 12.27 (0.06) | 12.15 (0.08) | |||||||
Distance | [pc] | 81.48 (0.4) | 82.28 (0.6) | 81.48 | 81.48 (0.4) | 82.28 (0.6) | |||||||
Composition | H | ||||||||||||
Proper motion (right ascension) | [mas/yr] | -65.69761021 (0.07) | -65.52901125 (0.1) | -65.698 (0.07) | -65.52901125 | ||||||||
Proper motion (declination) | [mas/yr] | -78.16716075 (0.05) | -78.11262605 (0.1) | -78.167 (0.05) | -78.11262605 | ||||||||
Variability | VAR | ||||||||||||
Magnetic | |||||||||||||
Bd | [MG] | ||||||||||||
Infrared excess (disk) | |||||||||||||
Binarity | |||||||||||||
B magnitude | |||||||||||||
V magnitude | |||||||||||||
R magnitude | |||||||||||||
I magnitude | |||||||||||||
J magnitude | 16.39 (0.1) | ||||||||||||
H magnitude | 16.44 (0.2) | ||||||||||||
K magnitude | |||||||||||||
u magnitude | 16.75 (0.007) | 16.75 (0.007) | |||||||||||
g magnitude | 16.41 (0.003) | 16.41 (0.003) | |||||||||||
r magnitude | 16.55 (0.004) | 16.55 (0.004) | |||||||||||
i magnitude | 16.74 (0.005) | 16.74 (0.005) | |||||||||||
z magnitude | 16.94 (0.01) | 16.94 (0.01) | |||||||||||
G magnitude | 16.46 (0.004) | 16.48 | 16.46 | 16.46 (0.003) | 16.48 | ||||||||
BP magnitude | 16.48 (0.004) | 16.47 | 16.47 | ||||||||||
RP magnitude | 16.44 (0.006) | 16.45 | 16.45 | ||||||||||
Pan g magnitude | 16.43 (0.003) | ||||||||||||
Pan r magnitude | 16.57 (0.003) | ||||||||||||
Pan i magnitude | 16.77 (0.003) | ||||||||||||
Pan z magnitude | 16.96 (0.007) | ||||||||||||
Pan y magnitude | 17.12 (0.01) | ||||||||||||
E(B-V) | 0.010 |
* 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.