All names: Gaia DR3 600931964127719168, SDSS J082817.83+110038.8, GALEX J082817.9+110039, Gaia EDR3 600931964127719168, Gaia DR2 600931968424086784, SDSS J082817.82+110038.7
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 |
---|---|---|---|---|---|---|---|---|---|
Right ascension | 08 28 17.82 (0.8) | 08 28 17.83 | 08 28 17.82 (1) | 08 28 17.83 (0.8) | 08 28 17.83 | ||||
Declination | 11 00 38.81 (0.6) | 11 00 38.76 | 11 00 38.81 (0.7) | 11 00 38.67 (0.6) | 11 00 38.79 | ||||
Spectral type | DA | DA | DA | ||||||
Effective temperature | [K] | 10027.0 | 10294.0 (271) | ||||||
log(g) | [cgs] | 8.31 | 8.10 (0.4) | ||||||
Mass | [M☉] | 0.793 | 0.657 (0.2) | ||||||
log(Luminosity) | [L☉] | ||||||||
Cooling age | [Gyr] | 0.9488 | |||||||
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] | 0.73 (0.8) | 2.98 (1) | 0.73 (0.8) | |||||
Distance | [pc] | 1378.56 (1530) | 335.46 (167) | 1378.55 (1530) | |||||
Composition | H | ||||||||
Proper motion (right ascension) | [mas/yr] | -12.12857534 (0.9) | -6.744478046 (3) | -12.129 (0.9) | |||||
Proper motion (declination) | [mas/yr] | 8.998407563 (0.8) | 6.754783874 (2) | 8.998 (0.8) | |||||
Variability | |||||||||
Magnetic | |||||||||
Bd | [MG] | ||||||||
Infrared excess (disk) | |||||||||
Binarity | |||||||||
B magnitude | |||||||||
V magnitude | |||||||||
R magnitude | |||||||||
I magnitude | |||||||||
J magnitude | |||||||||
H magnitude | |||||||||
K magnitude | |||||||||
u magnitude | 20.75 (0.06) | 20.75 (0.06) | 20.74 (0.07) | ||||||
g magnitude | 20.31 (0.02) | 20.31 (0.02) | 20.33 (0.02) | ||||||
r magnitude | 20.42 (0.03) | 20.42 (0.03) | 20.43 (0.03) | ||||||
i magnitude | 20.59 (0.04) | 20.58 (0.04) | 20.58 (0.04) | ||||||
z magnitude | 20.61 (0.2) | 20.51 (0.2) | 20.51 (0.2) | ||||||
G magnitude | 20.38 (0.09) | 20.42 | 20.38 (0.008) | ||||||
BP magnitude | 20.54 (0.09) | 20.53 | |||||||
RP magnitude | 20.13 (0.2) | 20.50 | |||||||
Pan g magnitude | 20.39 (0.02) | ||||||||
Pan r magnitude | 20.46 (0.01) | ||||||||
Pan i magnitude | 20.60 (0.02) | ||||||||
Pan z magnitude | 20.61 (0.07) | ||||||||
Pan y magnitude | |||||||||
E(B-V) | 0.029 |
* 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.