All names: TIC 142871516, J1144+6629, Gaia DR3 1056998259069523584, WD 1141+667, SDSS J114439.54+662928.5, Gaia EDR3 1056998259069523584, Gaia DR2 1056998259069523584, GALEX J114439.4+662928, 2MASS J11443959+6629284, SDSS J114439.53+662928.5, SDSS J114439.54+662928.4, WDJ114439.55+662928.54
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Caron et al. 2023 | Kilic et al. 2020 | MWDD H | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 11 44 39.16 (0.05) | 11 44 39.17 (0.06) | 11 44 39.16 | 11 44 39.55 (0.05) | 11 44 39.17 | 11 44 39.02 | |||||||
Declination | 66 29 28.32 (0.05) | 66 29 28.33 (0.06) | 66 29 28.32 | 66 29 28.55 (0.05) | 66 29 28.33 | 66 29 20.76 | |||||||
Spectral type | DAH | DAH | DAH | DAH | DA | DAH | DAH7.3 | ||||||
Effective temperature | [K] | 6717.0 (30) | 6728.0 (28) | 6717.0 (30) | 6759.0 | 6719.0 (53) | |||||||
log(g) | [cgs] | 7.79 (0.01) | 7.79 (0.01) | 7.79 (0.01) | 7.80 | 7.78 (0.02) | |||||||
Mass | [M☉] | 0.473 (0.007) | 0.474 (0.007) | 0.472 (0.007) | 0.48 | 0.469 (0.01) | |||||||
log(Luminosity) | [L☉] | ||||||||||||
Cooling age | [Gyr] | 1.3100 | 1.2640 | ||||||||||
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] | 15.99 (0.07) | 15.99 (0.08) | 15.99 (0.08) | 15.99 | 15.99 (0.07) | 15.99 (0.08) | ||||||
Distance | [pc] | 62.53 (0.3) | 62.54 (0.3) | 62.54 (0.3) | 62.53 | 62.53 (0.3) | 62.54 (0.3) | ||||||
Composition | H | H | H | ||||||||||
Proper motion (right ascension) | [mas/yr] | -145.3378729 (0.06) | -145.2353595 (0.1) | -145.338 (0.06) | -145.2353595 | ||||||||
Proper motion (declination) | [mas/yr] | -14.08558423 (0.07) | -13.87080132 (0.1) | -14.086 (0.07) | -13.87080132 | ||||||||
Variability | |||||||||||||
Magnetic | yes | ||||||||||||
Bd | [MG] | ||||||||||||
Infrared excess (disk) | |||||||||||||
Binarity | |||||||||||||
B magnitude | |||||||||||||
V magnitude | |||||||||||||
R magnitude | |||||||||||||
I magnitude | |||||||||||||
J magnitude | 16.51 (0.1) | 16.51 (0.1) | |||||||||||
H magnitude | 16.34 (0.2) | 16.34 (0.2) | |||||||||||
K magnitude | |||||||||||||
u magnitude | 18.13 (0.01) | 18.13 (0.01) | 18.13 (0.01) | 18.09 | |||||||||
g magnitude | 17.49 (0.005) | 17.49 (0.005) | 17.47 | ||||||||||
r magnitude | 17.27 (0.005) | 17.27 (0.005) | 17.25 | ||||||||||
i magnitude | 17.21 (0.005) | 17.21 (0.005) | 17.21 | ||||||||||
z magnitude | 17.30 (0.01) | 17.30 (0.01) | 17.27 | ||||||||||
G magnitude | 17.27 (0.01) | 17.29 | 17.27 | 17.27 (0.003) | 17.29 | ||||||||
BP magnitude | 17.49 (0.01) | 17.50 | 17.50 | ||||||||||
RP magnitude | 16.91 (0.005) | 16.91 | 16.91 | ||||||||||
Pan g magnitude | 17.50 (0.005) | 17.50 (0.005) | |||||||||||
Pan r magnitude | 17.28 (0.003) | 17.28 (0.003) | |||||||||||
Pan i magnitude | 17.24 (0.004) | 17.24 (0.004) | |||||||||||
Pan z magnitude | 17.28 (0.004) | 17.28 (0.005) | |||||||||||
Pan y magnitude | 17.31 (0.008) | 17.31 (0.008) | |||||||||||
E(B-V) | 0.004 |
* 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.