All names: Gaia DR3 3096711659967026048, Gaia DR2 3096711655670282880, SDSS J081652.30+064409.1, Gaia EDR3 3096711659967026048, SDSS J081652.29+064409.0, WD 0814+068, SDSS J081652.29+064409.1, GALEX J081652.3+064409
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 08 16 52.29 (0.5) | 08 16 52.30 | 08 16 52.29 (0.8) | 08 16 52.30 (0.5) | 08 16 52.30 | 08 16 52.37 | 08 16 52.30 | |||||
Declination | 06 44 08.86 (0.4) | 06 44 09.06 | 06 44 08.87 (0.5) | 06 44 09.07 (0.4) | 06 44 09.08 | 06 44 05.28 | 06 44 09.11 | |||||
Spectral type | DA | DA | DA_auto | DA | DA | DA | ||||||
Effective temperature | [K] | 14244.0 | 13888.0 (490) | 14193.0 (532) | ||||||||
log(g) | [cgs] | 7.85 | 7.75 (0.1) | 7.72 (0.1) | ||||||||
Mass | [M☉] | 0.528 | 0.484 (0.07) | |||||||||
log(Luminosity) | [L☉] | |||||||||||
Cooling age | [Gyr] | 0.1839 | ||||||||||
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] | 1.40 (0.8) | 1.80 (0.9) | 1.40 (0.8) | ||||||||
Distance | [pc] | 713.14 (396) | 554.71 (285) | 713.11 (396) | ||||||||
Composition | H | |||||||||||
Proper motion (right ascension) | [mas/yr] | -2.830187223 (0.8) | -2.410692358 (1) | -2.83 (0.8) | 2.7 | |||||||
Proper motion (declination) | [mas/yr] | -12.77279479 (0.7) | -12.38281804 (1) | -12.773 (0.7) | -9.0 | |||||||
Variability | ||||||||||||
Magnetic | ||||||||||||
Bd | [MG] | |||||||||||
Infrared excess (disk) | ||||||||||||
Binarity | ||||||||||||
B magnitude | ||||||||||||
V magnitude | ||||||||||||
R magnitude | ||||||||||||
I magnitude | ||||||||||||
J magnitude | ||||||||||||
H magnitude | ||||||||||||
K magnitude | ||||||||||||
u magnitude | 19.99 (0.03) | 20.15 (0.05) | 20.16 (0.05) | 20.16 | 20.17 (0.05) | |||||||
g magnitude | 19.77 (0.01) | 19.73 (0.02) | 19.75 (0.02) | 19.75 | 19.76 (0.02) | |||||||
r magnitude | 20.05 (0.02) | 20.04 (0.03) | 20.07 (0.03) | 20.08 | 20.09 (0.03) | |||||||
i magnitude | 20.24 (0.03) | 20.29 (0.06) | 20.32 (0.05) | 20.33 | 20.33 (0.05) | |||||||
z magnitude | 20.55 (0.1) | 20.42 (0.2) | 20.48 (0.2) | 20.48 | 20.48 (0.2) | |||||||
G magnitude | 19.92 (0.05) | 19.97 | 19.92 (0.006) | |||||||||
BP magnitude | 19.98 (0.05) | 20.04 | ||||||||||
RP magnitude | 19.98 (0.08) | 20.15 | ||||||||||
Pan g magnitude | 19.78 (0.008) | |||||||||||
Pan r magnitude | 20.08 (0.02) | |||||||||||
Pan i magnitude | 20.33 (0.02) | |||||||||||
Pan z magnitude | 20.51 (0.04) | |||||||||||
Pan y magnitude | 20.38 (0.3) | |||||||||||
E(B-V) | 0.023 |
* 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.