All names: WDJ104019.70+100400.78, WD 1037+103, PM J10403+1004, GALEX J104019.6+100400, SDSS J104019.68+100400.5, 10403+1004, PSO J160.0816+10.0664, SDSS J104019.68+100400.4, Gaia EDR3 3870354528331257984, TIC 393488556, J1040+1003, Gaia DR2 3870354528331257984, 2MASS J10401970+1004004, Gaia DR3 3870354528331257984
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | O'Brien et al. 2024 | Caron et al. 2023 | McCleery et al. 2020 | Blouin et al. 2019 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Limoges et al. 2015 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 10 40 19.59 (0.07) | 10 40 19.59 (0.1) | 10 40 19.59 (0.1) | 10 40 19.59 | 10 40 19.70 (0.07) | 10 40 19.59 | 10 40 19.90 | ||||||||||
Declination | 10 03 58.89 (0.06) | 10 03 58.95 (0.08) | 10 03 58.95 (0.08) | 10 03 58.89 | 10 04 00.79 (0.06) | 10 03 58.95 | 10 03 55.80 | ||||||||||
Spectral type | DC | DC | DC | DC | DC | DC | DC | DC | DA: | DC | DC | ||||||
Effective temperature | [K] | 5697.0 (20) | 5983.0 (78) | 5994.0 (21) | 5959.9 (47) | 5850.0 (70) | 6147.0 | 5892.0 | 5920.0 (94) | 6243.0 (49) | |||||||
log(g) | [cgs] | 7.95 (0.008) | 8.13 (0.04) | 8.12 (0.009) | 8.11 (0.03) | 8.07 (0.03) | 8.22 | 8.08 | 8.00 (0) | 8.26 (0.01) | |||||||
Mass | [M☉] | 0.543 (0.007) | 0.653 (0.03) | 0.648 (0.008) | 0.614 (0.02) | 0.726 | 0.618 | 0.57 (0.1) | 0.753 (0.01) | ||||||||
log(Luminosity) | [L☉] | -3.76 | |||||||||||||||
Cooling age | [Gyr] | 3.5300 | 3.4440 (0.3) | 3.5420 | 3.3710 | ||||||||||||
log(H/He) | -5.0 | ||||||||||||||||
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] | 27.11 (0.07) | 27.11 (0.07) | 26.90 (0.1) | 26.90 (0.1) | 26.90 (0.1) | 26.90 (0.1) | 27.11 | 27.11 (0.07) | 26.90 (0.1) | |||||||
Distance | [pc] | 36.88 (0.1) | 36.89 (0.1) | 37.17 (0.2) | 37.18 (0.2) | 37.18 (0.2) | 37.18 (0.2) | 39.10 (4) | 36.88 | 36.88 (0.1) | 37.18 (0.2) | ||||||
Composition | He | He | He | He | |||||||||||||
Proper motion (right ascension) | [mas/yr] | -97.54880269 (0.08) | -97.40859228 (0.2) | -97.549 (0.08) | -97.40859228 | ||||||||||||
Proper motion (declination) | [mas/yr] | -118.6843848 (0.06) | -118.326067 (0.2) | -118.684 (0.06) | -118.326067 | ||||||||||||
Variability | |||||||||||||||||
Magnetic | |||||||||||||||||
Bd | [MG] | ||||||||||||||||
Infrared excess (disk) | |||||||||||||||||
Binarity | |||||||||||||||||
B magnitude | |||||||||||||||||
V magnitude | |||||||||||||||||
R magnitude | |||||||||||||||||
I magnitude | |||||||||||||||||
J magnitude | 16.01 (0.1) | 16.01 (0.1) | 16.01 | 16.01 (0.1) | |||||||||||||
H magnitude | 16.34 (0.2) | 16.34 (0.2) | 16.33 | 16.34 (0.2) | |||||||||||||
K magnitude | 16.10 (0.03) | 16.10 | |||||||||||||||
u magnitude | 18.20 (0.01) | 18.19 | 18.19 (0.01) | 18.19 (0.01) | |||||||||||||
g magnitude | 17.42 | 17.39 (0.004) | 17.42 (0.005) | ||||||||||||||
r magnitude | 17.07 | 17.08 (0.003) | 17.07 (0.005) | ||||||||||||||
i magnitude | 16.96 | 16.98 (0.002) | 16.96 (0.005) | ||||||||||||||
z magnitude | 16.95 | 16.98 (0.004) | 16.95 (0.01) | ||||||||||||||
G magnitude | 17.08 (0.009) | 17.09 | 17.09 | 17.08 | 17.08 (0.003) | 17.09 | |||||||||||
BP magnitude | 17.36 (0.009) | 17.35 | 17.35 | ||||||||||||||
RP magnitude | 16.63 (0.007) | 16.64 | 16.64 | ||||||||||||||
Pan g magnitude | 17.39 (0.004) | 17.39 (0.004) | 17.39 (0.004) | ||||||||||||||
Pan r magnitude | 17.08 (0.003) | 17.08 (0.003) | 17.08 (0.003) | ||||||||||||||
Pan i magnitude | 16.98 (0.003) | 16.98 (0.002) | 16.98 (0.002) | ||||||||||||||
Pan z magnitude | 16.98 (0.004) | 16.98 (0.004) | 16.98 (0.004) | ||||||||||||||
Pan y magnitude | 16.99 (0.007) | 16.99 (0.008) | 16.99 (0.008) | ||||||||||||||
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.