All names: Gaia DR3 42871199614383616, ** SLN 61B, WDS J03442+1510B, SDSS J034411.48+150945.6, 2MASS J03441147+1509455, J0344+1509, GALEX J034411.5+150945, WDJ034411.48+150945.81, USNO-B1.0 1051-00037770, Gaia EDR3 42871199614383616, TIC 434137922, Gaia DR2 42871199614383616, SDSS J034411.49+150945.6
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Caron et al. 2023 | Kilic et al. 2020 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 03 44 11.51 (0.06) | 03 44 11.50 | 03 44 11.51 | 03 44 11.48 (0.06) | 03 44 11.50 | ||||||||
Declination | 15 09 45.15 (0.05) | 15 09 45.17 | 15 09 45.15 | 15 09 45.81 (0.05) | 15 09 45.17 | ||||||||
Spectral type | DA | DA | DA | DA: | DA | ||||||||
Effective temperature | [K] | 8503.0 (50) | 8599.0 (43) | 8505.0 (49) | 8318.0 | 8033.0 | 8261.0 (92) | ||||||
log(g) | [cgs] | 8.27 (0.01) | 8.28 (0.009) | 8.26 (0.01) | 8.22 | 8.13 | 8.22 (0.02) | ||||||
Mass | [M☉] | 0.767 (0.009) | 0.774 (0.008) | 0.756 (0.009) | 0.73 | 0.654 | 0.732 (0.02) | ||||||
log(Luminosity) | [L☉] | ||||||||||||
Cooling age | [Gyr] | 1.4200 | 1.3560 | 1.2970 | |||||||||
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] | 18.52 (0.08) | 18.30 (0.09) | 18.30 (0.09) | 18.52 | 18.52 (0.08) | 18.30 (0.09) | ||||||
Distance | [pc] | 53.98 (0.2) | 54.64 (0.3) | 54.64 (0.3) | 53.98 | 53.98 (0.2) | 54.64 (0.3) | ||||||
Composition | H | H | |||||||||||
Proper motion (right ascension) | [mas/yr] | 22.5768592 (0.08) | 23.16943996 (0.2) | 22.577 (0.08) | 23.16943996 | ||||||||
Proper motion (declination) | [mas/yr] | -41.15727271 (0.07) | -41.01205351 (0.1) | -41.157 (0.07) | -41.01205351 | ||||||||
Variability | |||||||||||||
Magnetic | |||||||||||||
Bd | [MG] | ||||||||||||
Infrared excess (disk) | |||||||||||||
Binarity | |||||||||||||
B magnitude | 16.90 | ||||||||||||
V magnitude | |||||||||||||
R magnitude | 16.80 | ||||||||||||
I magnitude | |||||||||||||
J magnitude | 16.48 (0.01) | 16.21 (0.1) | |||||||||||
H magnitude | 16.60 (0.3) | 16.60 (0.3) | |||||||||||
K magnitude | |||||||||||||
u magnitude | 17.26 (0.008) | 17.27 (0.008) | 17.27 (0.008) | ||||||||||
g magnitude | 16.89 (0.004) | 16.89 (0.004) | |||||||||||
r magnitude | 16.86 (0.005) | 16.86 (0.005) | |||||||||||
i magnitude | 16.89 (0.005) | 16.89 (0.005) | |||||||||||
z magnitude | 16.98 (0.01) | 16.98 (0.01) | |||||||||||
G magnitude | 16.81 (0.005) | 16.83 | 16.81 | 16.81 (0.003) | 16.83 | ||||||||
BP magnitude | 16.93 (0.005) | 16.93 | 16.93 | ||||||||||
RP magnitude | 16.59 (0.005) | 16.60 | 16.60 | ||||||||||
Pan g magnitude | 16.90 (0.005) | 16.90 (0.005) | |||||||||||
Pan r magnitude | 16.88 (0.003) | 16.88 (0.002) | |||||||||||
Pan i magnitude | 16.92 (0.003) | 16.92 (0.003) | |||||||||||
Pan z magnitude | 17.02 (0.006) | 17.02 (0.005) | |||||||||||
Pan y magnitude | 17.10 (0.007) | 17.10 (0.007) | |||||||||||
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.