All names: 2MASS J14265940+4921004, GALEX J142659.3+492100, Gaia EDR3 1507571286545131648, J1426+4921, Gaia DR3 1507571286545131648, SDSS J142659.40+492100.6, SDSS J142659.40+492100.5, Gaia DR2 1507571286545131648, WDJ142659.43+492100.45, WD 1425+495, TIC 441711248, CSO 649
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | O'Brien et al. 2024 | Caron et al. 2023 | McCleery et al. 2020 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 14 26 59.26 (0.04) | 14 26 59.27 (0.04) | 14 26 59.27 (0.04) | 14 26 59.26 | 14 26 59.43 (0.04) | 14 26 59.27 | 14 26 59.28 | ||||||||
Declination | 49 21 01.18 (0.04) | 49 21 01.15 (0.04) | 49 21 01.15 (0.04) | 49 21 01.18 | 49 21 00.46 (0.04) | 49 21 01.15 | 49 20 58.92 | ||||||||
Spectral type | DC | DC | DC | DC | DC | DC | DC | DC | DC7.3 | ||||||
Effective temperature | [K] | 6390.0 (19) | 6760.0 (75) | 6392.0 (16) | 6771.5 (49) | 6910.0 | 6651.0 | 6094.0 (57) | |||||||
log(g) | [cgs] | 8.18 (0.004) | 8.34 (0.03) | 8.17 (0.005) | 8.35 (0.02) | 8.42 | 8.31 | 8.17 (0.01) | |||||||
Mass | [M☉] | 0.684 (0.004) | 0.794 (0.02) | 0.68 (0.004) | 0.86 | 0.774 | 0.678 (0.01) | ||||||||
log(Luminosity) | [L☉] | ||||||||||||||
Cooling age | [Gyr] | 2.9600 | 3.5900 | 3.4250 | |||||||||||
log(H/He) | -3.2 | -3.2 | |||||||||||||
log(C/He) | |||||||||||||||
log(Ca/He) | |||||||||||||||
log(Ca/H) | |||||||||||||||
log(N/He) | |||||||||||||||
log(O/He) | |||||||||||||||
log(Na/He) | |||||||||||||||
log(Mg/He) | |||||||||||||||
log(Al/He) | |||||||||||||||
log(Si/He) | |||||||||||||||
log(P/He) | |||||||||||||||
log(S/He) | |||||||||||||||
log(Cl/He) | |||||||||||||||
log(Sc/He) | |||||||||||||||
log(Ti/He) | |||||||||||||||
log(V/He) | |||||||||||||||
log(Cr/He) | |||||||||||||||
log(Mn/He) | |||||||||||||||
log(Fe/He) | |||||||||||||||
log(Co/He) | |||||||||||||||
log(Ni/He) | |||||||||||||||
log(Cu/He) | |||||||||||||||
log(Zn/He) | |||||||||||||||
log(Ga/He) | |||||||||||||||
log(Ge/He) | |||||||||||||||
log(Sr/He) | |||||||||||||||
Parallax | [mas] | 29.51 (0.05) | 29.51 (0.05) | 29.49 (0.05) | 29.49 (0.05) | 29.49 (0.05) | 29.51 | 29.50 (0.05) | 29.49 (0.05) | ||||||
Distance | [pc] | 33.89 (0.05) | 33.89 (0.06) | 33.91 (0.06) | 33.91 (0.06) | 33.91 (0.06) | 33.89 | 33.89 (0.05) | 33.91 (0.06) | ||||||
Composition | He | He | |||||||||||||
Proper motion (right ascension) | [mas/yr] | -100.4447348 (0.04) | -100.5073155 (0.08) | -100.445 (0.04) | -100.5073155 | ||||||||||
Proper motion (declination) | [mas/yr] | 45.06697392 (0.05) | 45.09478411 (0.08) | 45.067 (0.05) | 45.09478411 | ||||||||||
Variability | |||||||||||||||
Magnetic | |||||||||||||||
Bd | [MG] | ||||||||||||||
Infrared excess (disk) | |||||||||||||||
Binarity | |||||||||||||||
B magnitude | 17.00 | ||||||||||||||
V magnitude | |||||||||||||||
R magnitude | |||||||||||||||
I magnitude | |||||||||||||||
J magnitude | 16.13 (0.09) | 16.13 (0.09) | |||||||||||||
H magnitude | 15.87 (0.2) | 15.87 (0.2) | |||||||||||||
K magnitude | |||||||||||||||
u magnitude | 17.57 (0.01) | 17.56 (0.01) | 17.56 (0.01) | 17.48 | |||||||||||
g magnitude | 16.95 (0.004) | 16.95 (0.004) | 16.93 | ||||||||||||
r magnitude | 16.75 (0.004) | 16.75 (0.004) | 16.75 | ||||||||||||
i magnitude | 16.70 (0.005) | 16.70 (0.005) | 16.68 | ||||||||||||
z magnitude | 16.75 (0.01) | 16.75 (0.01) | 16.77 | ||||||||||||
G magnitude | 16.74 (0.005) | 16.76 | 16.76 | 16.74 | 16.74 (0.003) | 16.76 | |||||||||
BP magnitude | 16.94 (0.005) | 16.93 | 16.93 | ||||||||||||
RP magnitude | 16.40 (0.005) | 16.41 | 16.41 | ||||||||||||
Pan g magnitude | 16.96 (0.003) | 16.96 (0.003) | |||||||||||||
Pan r magnitude | 16.75 (0.003) | 16.75 (0.003) | |||||||||||||
Pan i magnitude | 16.73 (0.003) | 16.73 (0.004) | |||||||||||||
Pan z magnitude | 16.77 (0.002) | 16.77 (0.002) | |||||||||||||
Pan y magnitude | 16.83 (0.007) | 16.83 (0.005) | |||||||||||||
E(B-V) | 0.003 |
* 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.