All names: SDSS J054224.21+014414.6, 2MASS J05422416+0144142, Gaia EDR3 3222969370457259648, Gaia DR3 3222969370457259648, TIC 199912744, SDSS J054224.20+014414.5, J0542+0144, WDJ054224.17+014414.64, Gaia DR2 3222969370457259648
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 | 05 42 24.25 (0.06) | 05 42 24.25 | 05 42 24.25 | 05 42 24.17 (0.06) | 05 42 24.25 | ||||||||
Declination | 01 44 14.56 (0.05) | 01 44 14.56 | 01 44 14.56 | 01 44 14.64 (0.05) | 01 44 14.56 | ||||||||
Spectral type | DA | DA | DA | DA | DA | ||||||||
Effective temperature | [K] | 9245.0 (44) | 9247.0 (43) | 9244.0 (44) | 9042.0 | 8807.0 | 9219.0 (91) | ||||||
log(g) | [cgs] | 8.32 (0.008) | 8.33 (0.008) | 8.32 (0.009) | 8.29 | 8.21 | 8.32 (0.02) | ||||||
Mass | [M☉] | 0.798 (0.008) | 0.805 (0.008) | 0.804 (0.008) | 0.78 | 0.708 | 0.798 (0.01) | ||||||
log(Luminosity) | [L☉] | ||||||||||||
Cooling age | [Gyr] | 1.2700 | 1.2010 | 1.1790 | |||||||||
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] | 16.63 (0.07) | 16.74 (0.09) | 16.74 (0.09) | 16.63 | 16.63 (0.07) | 16.74 (0.09) | ||||||
Distance | [pc] | 60.12 (0.2) | 59.74 (0.3) | 59.73 (0.3) | 60.12 | 60.12 (0.2) | 59.73 (0.3) | ||||||
Composition | H | H | |||||||||||
Proper motion (right ascension) | [mas/yr] | 77.26958016 (0.07) | 77.40394298 (0.2) | 77.27 (0.07) | 77.40394298 | ||||||||
Proper motion (declination) | [mas/yr] | -5.036279183 (0.05) | -4.929465339 (0.2) | -5.036 (0.05) | -4.929465339 | ||||||||
Variability | |||||||||||||
Magnetic | |||||||||||||
Bd | [MG] | ||||||||||||
Infrared excess (disk) | |||||||||||||
Binarity | |||||||||||||
B magnitude | |||||||||||||
V magnitude | |||||||||||||
R magnitude | |||||||||||||
I magnitude | |||||||||||||
J magnitude | 16.70 (0.1) | 16.70 (0.1) | |||||||||||
H magnitude | 16.59 (0.3) | 16.59 (0.3) | |||||||||||
K magnitude | |||||||||||||
u magnitude | 17.21 (0.009) | 17.22 (0.009) | 17.18 (0.009) | ||||||||||
g magnitude | 16.86 (0.004) | 16.89 (0.004) | |||||||||||
r magnitude | 16.88 (0.005) | 16.87 (0.004) | |||||||||||
i magnitude | 16.98 (0.006) | 16.95 (0.005) | |||||||||||
z magnitude | 17.12 (0.01) | 17.10 (0.01) | |||||||||||
G magnitude | 16.82 (0.004) | 16.85 | 16.82 | 16.82 (0.003) | 16.85 | ||||||||
BP magnitude | 16.91 (0.004) | 16.88 | 16.88 | ||||||||||
RP magnitude | 16.68 (0.006) | 16.70 | 16.70 | ||||||||||
Pan g magnitude | 16.88 (0.002) | 16.88 (0.003) | |||||||||||
Pan r magnitude | 16.90 (0.004) | 16.90 (0.004) | |||||||||||
Pan i magnitude | 17.00 (0.006) | 17.00 (0.005) | |||||||||||
Pan z magnitude | 17.12 (0.005) | 17.12 (0.004) | |||||||||||
Pan y magnitude | 17.21 (0.01) | 17.21 (0.009) | |||||||||||
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.