All names: Gaia DR3 1273088783971336576, SDSS J154315.09+302133.6, WDJ154315.11+302133.35, Gaia EDR3 1273088783971336576, CSO 1106, ZTF J154315.01+302134.8, J1543+3021, Gaia DR2 1273088783971336576, GALEX J154315.0+302134, Ton 798, LAMOST J154315.06+302134.0, SDSS J154315.09+302133.5, SDSS J154315.10+302133.6, WDJ154315.11+302133.36
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Jewett et al. 2024 | Kilic et al. 2020 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 15 43 15.03 (0.03) | 15 43 15.03 | 15 43 15.03 | 15 43 15.11 (0.03) | 15 43 15.03 | ||||||||
Declination | 30 21 34.57 (0.04) | 30 21 34.54 | 30 21 34.57 | 30 21 33.36 (0.04) | 30 21 34.54 | ||||||||
Spectral type | DAH | DAH | DAH | DB | DAH | ||||||||
Effective temperature | [K] | 15661.0 (198) | 15661.0 (198) | 15659.0 (198) | 14520.0 | 14235.0 | 13447.0 (182) | ||||||
log(g) | [cgs] | 8.85 (0.01) | 8.85 | 8.85 (0.01) | 8.81 | 8.79 | 8.73 (0.01) | ||||||
Mass | [M☉] | 1.129 (0.006) | 1.129 (0.006) | 1.13 (0.006) | 1.107 | 1.081 | 1.049 (0.01) | ||||||
log(Luminosity) | [L☉] | ||||||||||||
Cooling age | [Gyr] | 0.8200 (0.04) | 0.9173 | 0.9287 | |||||||||
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] | 14.66 (0.05) | 14.69 (0.07) | 14.66 | 14.66 (0.05) | 14.69 (0.07) | |||||||
Distance | [pc] | 68.23 (0.2) | 68.07 (0.3) | 68.23 | 68.23 (0.2) | 68.07 (0.3) | |||||||
Composition | H | H | |||||||||||
Proper motion (right ascension) | [mas/yr] | -70.38355218 (0.04) | -70.5358031 (0.1) | -70.384 (0.04) | -70.5358031 | ||||||||
Proper motion (declination) | [mas/yr] | 75.83647455 (0.06) | 75.90080139 (0.1) | 75.836 (0.06) | 75.90080139 | ||||||||
Variability | |||||||||||||
Magnetic | |||||||||||||
Bd | [MG] | ||||||||||||
Infrared excess (disk) | |||||||||||||
Binarity | |||||||||||||
B magnitude | 16.50 | ||||||||||||
V magnitude | |||||||||||||
R magnitude | |||||||||||||
I magnitude | |||||||||||||
J magnitude | |||||||||||||
H magnitude | |||||||||||||
K magnitude | |||||||||||||
u magnitude | 16.83 (0.007) | 16.83 (0.007) | |||||||||||
g magnitude | 16.73 (0.004) | 16.73 (0.004) | |||||||||||
r magnitude | 16.99 (0.005) | 16.99 (0.005) | |||||||||||
i magnitude | 17.25 (0.006) | 17.25 (0.006) | |||||||||||
z magnitude | 17.48 (0.01) | 17.48 (0.01) | |||||||||||
G magnitude | 16.88 (0.005) | 16.90 | 16.88 | 16.88 (0.003) | 16.90 | ||||||||
BP magnitude | 16.84 (0.005) | 16.81 | 16.81 | ||||||||||
RP magnitude | 16.95 (0.007) | 16.94 | 16.94 | ||||||||||
Pan g magnitude | 16.77 (0.002) | ||||||||||||
Pan r magnitude | 17.02 (0.006) | ||||||||||||
Pan i magnitude | 17.31 (0.007) | ||||||||||||
Pan z magnitude | 17.47 (0.009) | ||||||||||||
Pan y magnitude | 17.59 (0.02) | ||||||||||||
E(B-V) | 0.011 |
* 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.