All names: [SGR2010] J0946+6312, SDSS J094637.32+631228.1, GALEX J094637.3+631228, SDSS J094637.34+631228.2, Gaia DR3 1063733656847239808, SDSS J094637.44+631228.1, TIC 417836456, SDSS J094637.33+631228.1, Gaia EDR3 1063733656847239808, Gaia DR2 1063733656847239808, WD 0942+634, 2MASS J09463729+6312277
Parameter | Unit | Gaia EDR3 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
---|---|---|---|---|---|---|---|---|
Right ascension | 09 46 37.30 (0.1) | 09 46 37.33 | 09 46 37.30 (0.2) | 09 46 37.32 (0.1) | 09 46 37.73 | 09 46 37.34 | ||
Declination | 63 12 27.88 (0.2) | 63 12 28.13 | 63 12 27.89 (0.3) | 63 12 28.15 (0.2) | 63 12 25.56 | 63 12 28.17 | ||
Spectral type | DA+dMe | DA dM | DA+M | |||||
Effective temperature | [K] | 6300.0 (3) | ||||||
log(g) | [cgs] | 10.00 (0.004) | ||||||
Mass | [M☉] | |||||||
log(Luminosity) | [L☉] | |||||||
Cooling age | [Gyr] | |||||||
log(H/He) | ||||||||
log(C/He) | ||||||||
log(Ca/He) | ||||||||
log(Ca/H) | ||||||||
Parallax | [mas] | 0.93 (0.2) | 1.17 (0.4) | 0.93 (0.2) | ||||
Distance | [pc] | 1074.69 (256) | 854.91 (264) | 1074.69 (256) | ||||
Composition | ||||||||
Proper motion (right ascension) | [mas/yr] | -9.507954519 (0.2) | -9.163540824 (0.3) | -9.508 (0.2) | ||||
Proper motion (declination) | [mas/yr] | -17.12440452 (0.2) | -16.73957494 (0.4) | -17.124 (0.2) | ||||
Variability | ||||||||
Magnetic | ||||||||
Bd | [MG] | |||||||
Infrared excess (disk) | ||||||||
Binarity | WDMS | |||||||
B magnitude | ||||||||
V magnitude | ||||||||
R magnitude | ||||||||
I magnitude | ||||||||
J magnitude | 16.71 (0.1) | |||||||
H magnitude | 16.11 (0.2) | |||||||
K magnitude | 15.66 (0.2) | |||||||
u magnitude | 20.04 (0.05) | 20.03 (0.05) | 20.05 | 20.04 (0.05) | ||||
g magnitude | 19.87 (0.02) | 19.88 (0.02) | 19.89 | 19.89 (0.03) | ||||
r magnitude | 19.47 (0.02) | 19.48 (0.02) | 19.49 | 19.48 (0.02) | ||||
i magnitude | 18.64 (0.01) | 18.65 (0.01) | 18.67 | 18.66 (0.02) | ||||
z magnitude | 18.08 (0.03) | 18.09 (0.03) | 18.11 | 18.10 (0.03) | ||||
G magnitude | 19.10 (0.03) | 19.14 | 19.10 (0.003) | |||||
BP magnitude | 19.80 (0.03) | 19.77 | ||||||
RP magnitude | 18.26 (0.01) | 18.22 | ||||||
Pan g magnitude | ||||||||
Pan r magnitude | ||||||||
Pan i magnitude | ||||||||
Pan z magnitude | ||||||||
Pan y magnitude | ||||||||
E(B-V) | 0.028 |
* 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.