All names: SDSS J104350.84+514508.6, USNO-B1.0 1417-00230820, WD 1040+520, SDSS J104350.85+514508.6, SDSS J104350.84+514508.69, GALEX J104350.8+514508, Gaia DR3 837038411017250944, Gaia EDR3 837038411017250944, SBSS 1040+520, Gaia DR2 837038411017250944
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Kepler et al. 2016 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 10 43 50.87 (0.06) | 10 43 50.85 | 10 43 50.87 (0.06) | 10 43 50.87 | 10 43 50.85 (0.06) | 10 43 50.06 | ||||||
Declination | 51 45 08.71 (0.09) | 51 45 08.69 | 51 45 08.71 (0.1) | 51 45 08.71 | 51 45 08.71 (0.09) | 51 45 09.00 | ||||||
Spectral type | DA | DA | DA | DA | DA | DA | ||||||
Effective temperature | [K] | 18773.0 | 19926.0 (103) | 20129.0 (770) | ||||||||
log(g) | [cgs] | 8.22 | 8.20 (0.02) | 8.23 (0.04) | ||||||||
Mass | [M☉] | 0.751 | 0.727 (0.01) | 0.763 (0.04) | ||||||||
log(Luminosity) | [L☉] | |||||||||||
Cooling age | [Gyr] | 0.1408 | ||||||||||
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] | 4.45 (0.1) | 4.60 (0.2) | 4.45 | 4.45 (0.1) | |||||||
Distance | [pc] | 224.60 (6) | 217.20 (8) | 224.60 | 224.59 (6) | |||||||
Composition | H | |||||||||||
Proper motion (right ascension) | [mas/yr] | 7.841372529 (0.08) | 7.867676039 (0.2) | 7.841 (0.08) | ||||||||
Proper motion (declination) | [mas/yr] | -0.262257504 (0.1) | -0.420182041 (0.3) | -0.262 (0.1) | ||||||||
Variability | ||||||||||||
Magnetic | ||||||||||||
Bd | [MG] | |||||||||||
Infrared excess (disk) | ||||||||||||
Binarity | ||||||||||||
B magnitude | 19.00 | |||||||||||
V magnitude | ||||||||||||
R magnitude | 17.30 | |||||||||||
I magnitude | ||||||||||||
J magnitude | ||||||||||||
H magnitude | ||||||||||||
K magnitude | ||||||||||||
u magnitude | 17.79 (0.01) | 17.82 (0.03) | 17.79 (0.01) | |||||||||
g magnitude | 17.69 (0.005) | 17.70 (0.02) | 17.69 (0.005) | |||||||||
r magnitude | 18.09 (0.007) | 18.09 (0.02) | 18.09 (0.007) | |||||||||
i magnitude | 18.39 (0.01) | 18.40 (0.02) | 18.39 (0.01) | |||||||||
z magnitude | 18.71 (0.04) | 18.70 (0.04) | 18.70 (0.04) | |||||||||
G magnitude | 17.92 (0.008) | 17.94 | 17.92 | 17.92 (0.003) | ||||||||
BP magnitude | 17.83 (0.008) | 17.81 | ||||||||||
RP magnitude | 18.09 (0.02) | 18.06 | ||||||||||
Pan g magnitude | 17.77 (0.009) | |||||||||||
Pan r magnitude | 18.09 (0.006) | |||||||||||
Pan i magnitude | 18.42 (0.006) | |||||||||||
Pan z magnitude | 18.68 (0.02) | |||||||||||
Pan y magnitude | 18.82 (0.02) | |||||||||||
E(B-V) | 0.016 |
* 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.