All names: WD 0206+064, 2MASS J02092575+0642141, TIC 347512982, Gaia DR2 2520997540481254144, Gaia EDR3 2520997540481254144, SDSS J020925.74+064213.9, Gaia DR3 2520997540481254144, GALEX J020925.6+064212
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
---|---|---|---|---|---|---|---|---|---|
Right ascension | 02 09 25.76 (0.3) | 02 09 25.75 | 02 09 25.76 (0.5) | 02 09 25.74 | 02 09 25.75 (0.3) | 02 09 25.85 | |||
Declination | 06 42 13.89 (0.3) | 06 42 13.90 | 06 42 13.89 (0.4) | 06 42 13.90 | 06 42 13.98 (0.3) | 06 42 09.72 | |||
Spectral type | DA+M | DA+M | DA2.1 M | ||||||
Effective temperature | [K] | 22811.0 (2509) | |||||||
log(g) | [cgs] | 8.89 (0.3) | |||||||
Mass | [M☉] | 1.15 (0.1) | |||||||
log(Luminosity) | [L☉] | ||||||||
Cooling age | [Gyr] | ||||||||
log(H/He) | |||||||||
log(C/He) | |||||||||
log(Ca/He) | |||||||||
log(Ca/H) | |||||||||
Parallax | [mas] | 2.45 (0.4) | 2.43 (0.7) | 2.45 (0.4) | |||||
Distance | [pc] | 408.51 (62) | 412.09 (111) | 1839.00 (279) | 408.51 (62) | ||||
Composition | |||||||||
Proper motion (right ascension) | [mas/yr] | 11.89426442 (0.4) | 11.96311587 (0.8) | 11.894 (0.4) | |||||
Proper motion (declination) | [mas/yr] | -5.595487979 (0.3) | -5.150286414 (0.7) | -5.595 (0.3) | |||||
Variability | |||||||||
Magnetic | |||||||||
Bd | [MG] | ||||||||
Infrared excess (disk) | |||||||||
Binarity | WDMS | ||||||||
B magnitude | |||||||||
V magnitude | |||||||||
R magnitude | |||||||||
I magnitude | |||||||||
J magnitude | 16.75 (0.2) | ||||||||
H magnitude | 15.86 (0.2) | ||||||||
K magnitude | 15.44 (0.2) | ||||||||
u magnitude | 21.06 (0.09) | 21.39 | 21.00 (0.1) | 21.38 | |||||
g magnitude | 20.26 (0.02) | 20.58 | 20.25 (0.02) | 20.58 | |||||
r magnitude | 19.81 (0.02) | 20.17 | 19.81 (0.02) | 20.17 | |||||
i magnitude | 18.86 (0.01) | 19.22 | 18.84 (0.01) | 19.22 | |||||
z magnitude | 18.20 (0.03) | 18.56 | 18.18 (0.03) | 18.56 | |||||
G magnitude | 19.37 (0.08) | 19.39 | 19.37 (0.005) | ||||||
BP magnitude | 20.23 (0.08) | 20.13 | |||||||
RP magnitude | 18.33 (0.05) | 18.34 | |||||||
Pan g magnitude | 20.28 (0.02) | ||||||||
Pan r magnitude | 19.76 (0.04) | ||||||||
Pan i magnitude | 18.84 (0.007) | ||||||||
Pan z magnitude | 18.26 (0.009) | ||||||||
Pan y magnitude | 17.98 (0.01) | ||||||||
E(B-V) | 0.049 |
* 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.