All names: J0657+4007, Gaia EDR3 950478049312082688, Gaia DR2 950478049312082688, TIC 197173876, PM J06577+4007, WDJ065745.13+400725.83, 2MASS J06574511+4007258, GALEX J065745.2+400725, WDJ065745.13+400725.82, Gaia DR3 950478049312082688, 06577+4007
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Caron et al. 2023 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Limoges et al. 2015 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 06 57 45.27 (0.08) | 06 57 45.26 | 06 57 45.27 | 06 57 45.13 (0.08) | 06 57 45.26 | |||||||
Declination | 40 07 25.01 (0.08) | 40 07 25.04 | 40 07 25.01 | 40 07 25.83 (0.08) | 40 07 25.04 | |||||||
Spectral type | DA | DA | DA | DA | ||||||||
Effective temperature | [K] | 6717.0 (25) | 6693.0 | 6448.0 | 6900.0 (118) | 6583.0 (64) | ||||||
log(g) | [cgs] | 7.83 (0.01) | 7.82 | 7.68 | 8.21 (0.2) | 7.79 (0.02) | ||||||
Mass | [M☉] | 0.492 (0.01) | 0.486 | 0.402 | 0.73 (0.1) | 0.472 (0.01) | ||||||
log(Luminosity) | [L☉] | -3.60 | ||||||||||
Cooling age | [Gyr] | 1.3700 | 1.3160 | 1.2870 | ||||||||
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] | 18.61 (0.09) | 18.39 (0.1) | 18.39 (0.2) | 18.61 | 18.61 (0.09) | 18.39 (0.2) | |||||
Distance | [pc] | 53.75 (0.3) | 54.38 (0.4) | 54.39 (0.5) | 50.30 (2) | 53.75 | 53.75 (0.3) | 54.39 (0.5) | ||||
Composition | H | H | ||||||||||
Proper motion (right ascension) | [mas/yr] | 97.33989595 (0.09) | 97.36483352 (0.2) | 93.0 | 97.34 (0.09) | 97.36483352 | ||||||
Proper motion (declination) | [mas/yr] | -50.84697342 (0.07) | -51.14893816 (0.2) | -54.0 | -50.847 (0.07) | -51.14893816 | ||||||
Variability | ||||||||||||
Magnetic | ||||||||||||
Bd | [MG] | |||||||||||
Infrared excess (disk) | ||||||||||||
Binarity | ||||||||||||
B magnitude | ||||||||||||
V magnitude | ||||||||||||
R magnitude | ||||||||||||
I magnitude | ||||||||||||
J magnitude | 16.27 (0.01) | 16.36 | 16.36 (0.09) | |||||||||
H magnitude | 15.90 (0.03) | 15.90 | 15.90 (0.1) | |||||||||
K magnitude | 17.11 (0.03) | 17.11 | ||||||||||
u magnitude | ||||||||||||
g magnitude | ||||||||||||
r magnitude | ||||||||||||
i magnitude | ||||||||||||
z magnitude | ||||||||||||
G magnitude | 17.02 (0.01) | 17.04 | 17.02 | 17.02 (0.003) | 17.04 | |||||||
BP magnitude | 17.26 (0.01) | 17.25 | 17.25 | |||||||||
RP magnitude | 16.65 (0.01) | 16.64 | 16.64 | |||||||||
Pan g magnitude | 17.25 (0.003) | 17.25 (0.003) | ||||||||||
Pan r magnitude | 17.05 (0.004) | 17.05 (0.005) | ||||||||||
Pan i magnitude | 16.99 (0.004) | 16.99 (0.003) | ||||||||||
Pan z magnitude | 17.02 (0.007) | 17.02 (0.007) | ||||||||||
Pan y magnitude | 17.04 (0.01) | 17.04 (0.01) | ||||||||||
E(B-V) | 0.001 |
* 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.