All names: Gaia EDR3 1245647477705696896, LAMOST J140115.24+183334.8, Gaia DR2 1245647477705696896, GALEX J140115.2+183333, SDSS J140115.24+183334.8, SDSS J140115.23+183334.8, Gaia DR3 1245647477705696896
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Bedard et al. 2020 | MWDD H | Gaia DR2 | Stilism | Guo et al. 2015 | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 14 01 15.24 (0.09) | 14 01 15.24 | 14 01 15.24 (0.1) | 14 01 15.25 (0.09) | 14 01 15.24 | |||||||
Declination | 18 33 34.73 (0.09) | 18 33 34.81 | 18 33 34.74 (0.1) | 18 33 34.81 (0.09) | 18 33 34.82 | |||||||
Spectral type | DA | DA | DA | DA | DA | DA | ||||||
Effective temperature | [K] | 33656.0 (409) | 20512.0 | 33333.0 (243) | ||||||||
log(g) | [cgs] | 7.32 (0.08) | 6.72 | 7.32 (0.05) | ||||||||
Mass | [M☉] | 0.38 (0.02) | 0.211 | 0.449 (0.01) | ||||||||
log(Luminosity) | [L☉] | -0.23 (0.06) | ||||||||||
Cooling age | [Gyr] | 0.0008 (0.0005) | ||||||||||
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] | 1.11 (0.1) | 1.26 (0.2) | 1.11 (0.1) | ||||||||
Distance | [pc] | 899.31 (113) | 796.28 (113) | 899.28 (113) | ||||||||
Composition | H | H | ||||||||||
Proper motion (right ascension) | [mas/yr] | -10.6722196 (0.1) | -10.70781896 (0.3) | -10.672 (0.1) | ||||||||
Proper motion (declination) | [mas/yr] | -4.758567058 (0.1) | -4.448692715 (0.3) | -4.759 (0.1) | ||||||||
Variability | ||||||||||||
Magnetic | ||||||||||||
Bd | [MG] | |||||||||||
Infrared excess (disk) | ||||||||||||
Binarity | ||||||||||||
B magnitude | ||||||||||||
V magnitude | ||||||||||||
R magnitude | ||||||||||||
I magnitude | ||||||||||||
J magnitude | ||||||||||||
H magnitude | ||||||||||||
K magnitude | ||||||||||||
u magnitude | 17.77 (0.01) | 17.77 (0.01) | 17.78 (0.02) | |||||||||
g magnitude | 17.99 (0.006) | 17.99 (0.006) | 18.02 (0.02) | |||||||||
r magnitude | 18.43 (0.008) | 18.43 (0.008) | 18.45 (0.01) | |||||||||
i magnitude | 18.79 (0.01) | 18.79 (0.01) | 18.81 (0.02) | |||||||||
z magnitude | 19.08 (0.05) | 19.08 (0.04) | 19.09 (0.05) | |||||||||
G magnitude | 18.21 (0.01) | 18.26 | 18.21 (0.003) | |||||||||
BP magnitude | 18.09 (0.01) | 18.07 | ||||||||||
RP magnitude | 18.45 (0.02) | 18.45 | ||||||||||
Pan g magnitude | 18.05 (0.005) | |||||||||||
Pan r magnitude | 18.45 (0.007) | |||||||||||
Pan i magnitude | 18.79 (0.007) | |||||||||||
Pan z magnitude | 19.03 (0.01) | |||||||||||
Pan y magnitude | 19.16 (0.03) | |||||||||||
E(B-V) | 0.022 |
* 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.