All names: SDSS J002409.66+244132.5, Gaia DR2 2807247386954045312, Gaia EDR3 2807247386954045312, Gaia DR3 2807247386954045312, SDSS J002409.65+244132.5, GALEX J002409.6+244133, SDSS J002409.66+244132.58
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Kepler et al. 2016 | Simbad | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 00 24 09.67 (0.2) | 00 24 09.66 | 00 24 09.66 (0.2) | 00 24 09.65 (0.2) | ||||||
Declination | 24 41 32.62 (0.1) | 24 41 32.58 | 24 41 32.61 (0.2) | 24 41 32.56 (0.1) | ||||||
Spectral type | DA | DA | DA | DA | ||||||
Effective temperature | [K] | 15954.0 | 18645.0 (266) | |||||||
log(g) | [cgs] | 7.46 | 8.20 (0.05) | |||||||
Mass | [M☉] | 0.366 | 0.7240000000000001 (0.03) | |||||||
log(Luminosity) | [L☉] | |||||||||
Cooling age | [Gyr] | 0.0787 | ||||||||
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] | 2.28 (0.2) | 2.05 (0.3) | 2.28 (0.2) | ||||||
Distance | [pc] | 439.08 (47) | 488.84 (78) | 439.08 (47) | ||||||
Composition | H | |||||||||
Proper motion (right ascension) | [mas/yr] | 13.86807324 (0.3) | 13.72059673 (0.5) | 13.868 (0.3) | ||||||
Proper motion (declination) | [mas/yr] | 3.602439625 (0.2) | 3.402865572 (0.4) | 3.602 (0.2) | ||||||
Variability | ||||||||||
Magnetic | ||||||||||
Bd | [MG] | |||||||||
Infrared excess (disk) | ||||||||||
Binarity | ||||||||||
B magnitude | ||||||||||
V magnitude | ||||||||||
R magnitude | ||||||||||
I magnitude | ||||||||||
J magnitude | ||||||||||
H magnitude | ||||||||||
K magnitude | ||||||||||
u magnitude | 18.93 (0.02) | 18.94 (0.03) | 18.93 (0.02) | |||||||
g magnitude | 18.83 (0.009) | 18.84 (0.02) | 18.83 (0.009) | |||||||
r magnitude | 19.11 (0.01) | 19.10 (0.02) | 19.11 (0.01) | |||||||
i magnitude | 19.40 (0.02) | 19.40 (0.02) | 19.39 (0.02) | |||||||
z magnitude | 19.62 (0.08) | 19.60 (0.08) | 19.62 (0.08) | |||||||
G magnitude | 18.99 (0.02) | 19.02 | 18.99 (0.004) | |||||||
BP magnitude | 18.98 (0.02) | 18.95 | ||||||||
RP magnitude | 19.15 (0.04) | 19.11 | ||||||||
Pan g magnitude | 18.83 (0.01) | |||||||||
Pan r magnitude | 19.14 (0.008) | |||||||||
Pan i magnitude | 19.44 (0.01) | |||||||||
Pan z magnitude | 19.64 (0.03) | |||||||||
Pan y magnitude | ||||||||||
E(B-V) | 0.055 |
* 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.