All names: Gaia DR2 710328874262714880, SDSS J084303.14+331229.0, SDSS J084303.15+331229.0, SDSS J084303.15+331229.1, Gaia DR3 710328874262714880, LAMOST J084303.14+331229.0, Gaia EDR3 710328874262714880, WD 0839+333, GALEX J084303.1+331229
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Guo et al. 2015 | 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 | 08 43 03.11 (0.07) | 08 43 03.15 | 08 43 03.12 (0.09) | 08 43 03.11 | 08 43 03.16 (0.07) | 08 43 03.15 | 08 43 03.17 | 08 43 03.15 | |||||||
Declination | 33 12 28.97 (0.05) | 33 12 29.06 | 33 12 28.97 (0.06) | 33 12 28.97 | 33 12 29.04 (0.05) | 33 12 29.06 | 33 12 23.04 | 33 12 29.06 | |||||||
Spectral type | DA | DA | DA | DA | DA | DA | DA | DA | DA | ||||||
Effective temperature | [K] | 10815.0 | 18852.0 (246) | 18840.0 (160) | 14145.0 (283) | 17847.0 (107) | 18077.0 (110) | ||||||||
log(g) | [cgs] | 7.10 | 7.93 (0.05) | 7.71 (0.03) | 7.38 (0.03) | 7.63 (0.02) | 7.68 (0.02) | ||||||||
Mass | [M☉] | 0.245 | 0.58 (0.03) | 0.47 (0.01) | 0.332 (0.01) | 0.482 (0.009) | |||||||||
log(Luminosity) | [L☉] | ||||||||||||||
Cooling age | [Gyr] | 0.2039 | 0.0537 | ||||||||||||
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] | 4.75 (0.1) | 4.88 (0.1) | 4.75 | 4.75 (0.1) | ||||||||||
Distance | [pc] | 210.70 (5) | 204.77 (6) | 210.70 | 210.70 (5) | ||||||||||
Composition | H | H | |||||||||||||
Proper motion (right ascension) | [mas/yr] | -32.47257786 (0.1) | -32.25251472 (0.2) | -32.473 (0.1) | -52.3 | ||||||||||
Proper motion (declination) | [mas/yr] | -4.570937624 (0.08) | -4.855708213 (0.1) | -4.571 (0.08) | 3.4 | ||||||||||
Variability | |||||||||||||||
Magnetic | |||||||||||||||
Bd | [MG] | ||||||||||||||
Infrared excess (disk) | |||||||||||||||
Binarity | |||||||||||||||
B magnitude | |||||||||||||||
V magnitude | |||||||||||||||
R magnitude | |||||||||||||||
I magnitude | |||||||||||||||
J magnitude | |||||||||||||||
H magnitude | |||||||||||||||
K magnitude | |||||||||||||||
u magnitude | 17.39 (0.009) | 17.39 (0.009) | 17.39 (0.02) | 17.39 | 17.38 (0.02) | ||||||||||
g magnitude | 17.09 (0.004) | 17.09 (0.004) | 17.12 (0.03) | 17.12 | 17.12 (0.03) | ||||||||||
r magnitude | 17.52 (0.006) | 17.52 (0.006) | 17.69 (0.02) | 17.69 (0.02) | |||||||||||
i magnitude | 17.47 (0.007) | 17.46 (0.007) | 17.54 (0.01) | 17.54 (0.02) | |||||||||||
z magnitude | 17.70 (0.02) | 17.70 (0.02) | 17.74 (0.03) | 17.73 (0.02) | |||||||||||
G magnitude | 17.21 (0.006) | 17.23 | 17.21 | 17.21 (0.003) | |||||||||||
BP magnitude | 17.19 (0.006) | 17.18 | |||||||||||||
RP magnitude | 17.24 (0.008) | 17.22 | |||||||||||||
Pan g magnitude | 17.14 (0.003) | ||||||||||||||
Pan r magnitude | 17.34 (0.005) | ||||||||||||||
Pan i magnitude | 17.55 (0.004) | ||||||||||||||
Pan z magnitude | 17.74 (0.007) | ||||||||||||||
Pan y magnitude | 17.83 (0.007) | ||||||||||||||
E(B-V) | 0.010 |
* 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.