All names: Gaia EDR3 809480221515659008, Gaia DR3 809480221515659008, SDSS J101806.59+455830.3, Gaia DR2 809480217218362880, LAMOST J101806.59+455830.3, SDSS J101806.58+455830.3, GALEX J101806.5+455830, WD 1015+462, SDSS J101806.58+455830.4, LAMOST J101806.60+455830.36, LAMOST J101806.60+455830.4
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Guo et al. 2015 | Zhao et al. 2013 | Tremblay et al. 2011 | Vincent et al. 2024 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 10 18 06.57 (0.07) | 10 18 06.59 | 10 18 06.57 (0.09) | 10 18 06.60 | 10 18 06.57 | 10 18 06.59 (0.07) | 10 18 06.59 | 10 18 06.02 | 10 18 06.59 | |||||||
Declination | 45 58 30.30 (0.08) | 45 58 30.35 | 45 58 30.30 (0.1) | 45 58 30.36 | 45 58 30.30 | 45 58 30.41 (0.08) | 45 58 30.33 | 45 58 28.20 | 45 58 30.31 | |||||||
Spectral type | DA | DA | DA | DA | DA | DA_auto | DA | DA | DA | |||||||
Effective temperature | [K] | 17760.0 | 21485.0 (286) | 22475.0 (1541) | 20800.0 (190) | 18870.0 (709) | 19984.0 (143) | 20331.0 (139) | ||||||||
log(g) | [cgs] | 7.88 | 8.03 (0.05) | 8.36 (0.2) | 7.98 (0.03) | 8.00 (0.04) | 7.93 (0.02) | 7.96 (0.02) | ||||||||
Mass | [M☉] | 0.554 | 0.65 (0.03) | 0.85 (0.1) | 0.61 (0.02) | 0.622 (0.03) | 0.603 (0.009) | |||||||||
log(Luminosity) | [L☉] | |||||||||||||||
Cooling age | [Gyr] | 0.0878 | 0.1010 (0.06) | 0.0562 | ||||||||||||
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] | 4.37 (0.1) | 4.17 (0.1) | 4.37 | 4.37 (0.1) | |||||||||||
Distance | [pc] | 229.09 (5) | 239.77 (8) | 201.00 | 229.09 | 229.09 (5) | ||||||||||
Composition | H | H | ||||||||||||||
Proper motion (right ascension) | [mas/yr] | -14.93838634 (0.08) | -15.21292011 (0.2) | -14.938 (0.08) | -12.0 | |||||||||||
Proper motion (declination) | [mas/yr] | -7.261513331 (0.1) | -7.085261328 (0.3) | -7.262 (0.1) | -9.2 | |||||||||||
Variability | ||||||||||||||||
Magnetic | ||||||||||||||||
Bd | [MG] | |||||||||||||||
Infrared excess (disk) | ||||||||||||||||
Binarity | ||||||||||||||||
B magnitude | ||||||||||||||||
V magnitude | ||||||||||||||||
R magnitude | ||||||||||||||||
I magnitude | ||||||||||||||||
J magnitude | ||||||||||||||||
H magnitude | ||||||||||||||||
K magnitude | ||||||||||||||||
u magnitude | 17.62 (0.01) | 17.61 | 17.62 (0.01) | 17.58 (0.01) | 17.58 | 17.58 (0.01) | ||||||||||
g magnitude | 17.53 (0.005) | 17.55 | 17.53 (0.005) | 17.55 (0.03) | 17.55 | 17.53 (0.03) | ||||||||||
r magnitude | 17.90 (0.006) | 17.90 | 17.90 (0.006) | 17.87 (0.03) | 17.87 | 17.86 (0.03) | ||||||||||
i magnitude | 18.18 (0.009) | 18.19 | 18.18 (0.009) | 18.23 (0.03) | 18.23 | 18.22 (0.03) | ||||||||||
z magnitude | 18.47 (0.03) | 18.47 | 18.47 (0.03) | 18.52 (0.04) | 18.53 | 18.53 (0.04) | ||||||||||
G magnitude | 17.74 (0.008) | 17.76 | 17.74 | 17.74 (0.003) | ||||||||||||
BP magnitude | 17.66 (0.008) | 17.64 | ||||||||||||||
RP magnitude | 17.88 (0.02) | 17.87 | ||||||||||||||
Pan g magnitude | 17.57 (0.01) | |||||||||||||||
Pan r magnitude | 17.91 (0.003) | |||||||||||||||
Pan i magnitude | 18.22 (0.003) | |||||||||||||||
Pan z magnitude | 18.48 (0.01) | |||||||||||||||
Pan y magnitude | 18.56 (0.03) | |||||||||||||||
E(B-V) | 0.014 |
* 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.