All names: GALEX J093126.2+321946, SDSS J093126.14+321946.1, Gaia EDR3 701023398118982016, SDSS J093126.13+321946.1, Gaia DR3 701023398118982016, Gaia DR2 701023398118982016
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Hardy et al. 2023a | MWDD H | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 09 31 26.14 (0.3) | 09 31 26.14 | 09 31 26.14 (0.8) | 09 31 26.14 | 09 31 26.14 (0.3) | 09 31 26.14 | ||||||
Declination | 32 19 46.12 (0.3) | 32 19 46.16 | 32 19 46.12 (0.7) | 32 19 46.12 | 32 19 46.09 (0.3) | 32 19 46.15 | ||||||
Spectral type | DAH | DAH | DA | DAH | DAH | DAH | ||||||
Effective temperature | [K] | 13476.4 (443) | 11526.0 | 12432.0 (712) | 16248.0 (629) | |||||||
log(g) | [cgs] | 8.23 (0.2) | 8.11 | 8.47 (0.09) | 9.58 (0.1) | |||||||
Mass | [M☉] | 0.7494434651302856 (0.2) | 0.672 | 0.906 (0.07) | ||||||||
log(Luminosity) | [L☉] | |||||||||||
Cooling age | [Gyr] | 0.4853 | ||||||||||
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] | 4.15 (0.3) | 3.40 (0.6) | 4.15 | 4.15 (0.3) | |||||||
Distance | [pc] | 240.81 (18) | 294.21 (55) | 240.81 | 240.81 (18) | |||||||
Composition | H | |||||||||||
Proper motion (right ascension) | [mas/yr] | -7.155576554 (0.3) | -7.500854014 (1) | -7.156 (0.3) | ||||||||
Proper motion (declination) | [mas/yr] | 2.427504368 (0.3) | 2.95035152 (1) | 2.428 (0.3) | ||||||||
Variability | ||||||||||||
Magnetic | yes | |||||||||||
Bd | [MG] | 9.03764691846114 | ||||||||||
Infrared excess (disk) | ||||||||||||
Binarity | ||||||||||||
B magnitude | ||||||||||||
V magnitude | ||||||||||||
R magnitude | ||||||||||||
I magnitude | ||||||||||||
J magnitude | ||||||||||||
H magnitude | ||||||||||||
K magnitude | ||||||||||||
u magnitude | 19.51 (0.03) | 19.52 (0.03) | 19.67 (0.03) | |||||||||
g magnitude | 19.20 (0.01) | 19.21 (0.01) | 19.23 (0.02) | |||||||||
r magnitude | 19.39 (0.01) | 19.39 (0.01) | 19.37 (0.02) | |||||||||
i magnitude | 19.57 (0.02) | 19.57 (0.02) | 19.60 (0.02) | |||||||||
z magnitude | 19.76 (0.07) | 19.77 (0.07) | 19.81 (0.1) | |||||||||
G magnitude | 19.29 (0.02) | 19.33 | 19.29 | 19.29 (0.004) | ||||||||
BP magnitude | 19.32 (0.02) | 19.32 | ||||||||||
RP magnitude | 19.37 (0.03) | 19.31 | ||||||||||
Pan g magnitude | 19.22 (0.007) | |||||||||||
Pan r magnitude | 19.38 (0.009) | |||||||||||
Pan i magnitude | 19.61 (0.01) | |||||||||||
Pan z magnitude | 19.77 (0.03) | |||||||||||
Pan y magnitude | 19.89 (0.06) | |||||||||||
E(B-V) | 0.012 |
* 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.