All names: 2MASS J07461269+3909030, WD 0742+392, Gaia EDR3 920307523261385600, GALEX J074612.6+390902, TIC 21401516, Gaia DR3 920307523261385600, Gaia DR2 920307523261385600, FBS 0742+392, FBS B 50
Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
---|---|---|---|---|---|---|
Right ascension | 07 46 12.70 (0.02) | 07 46 12.70 (0.04) | 07 46 12.70 (0.02) | 07 46 12.67 | ||
Declination | 39 09 03.00 (0.02) | 39 09 03.00 (0.03) | 39 09 03.01 (0.02) | 39 08 56.76 | ||
Spectral type | DA | DA | ||||
Effective temperature | [K] | |||||
log(g) | [cgs] | |||||
Mass | [M☉] | |||||
log(Luminosity) | [L☉] | |||||
Cooling age | [Gyr] | |||||
log(H/He) | ||||||
log(C/He) | ||||||
log(Ca/He) | ||||||
log(Ca/H) | ||||||
Parallax | [mas] | 0.36 (0.03) | 0.41 (0.05) | 0.36 (0.03) | ||
Distance | [pc] | 2781.67 (210) | 2453.39 (320) | 2781.64 (210) | ||
Composition | ||||||
Proper motion (right ascension) | [mas/yr] | -1.435764395 (0.03) | -1.117 (0.08) | -1.436 (0.03) | ||
Proper motion (declination) | [mas/yr] | -0.717343227 (0.02) | -0.543 (0.05) | -0.717 (0.02) | ||
Variability | ||||||
Magnetic | ||||||
Bd | [MG] | |||||
Infrared excess (disk) | ||||||
Binarity | ||||||
B magnitude | ||||||
V magnitude | ||||||
R magnitude | ||||||
I magnitude | ||||||
J magnitude | 14.50 (0.03) | |||||
H magnitude | 14.56 (0.06) | |||||
K magnitude | 14.54 (0.08) | |||||
u magnitude | ||||||
g magnitude | ||||||
r magnitude | ||||||
i magnitude | ||||||
z magnitude | ||||||
G magnitude | 14.56 (0.001) | 14.59 | 14.56 (0.003) | |||
BP magnitude | 14.60 (0.001) | 14.59 | ||||
RP magnitude | 14.52 (0.002) | 14.53 | ||||
Pan g magnitude | ||||||
Pan r magnitude | ||||||
Pan i magnitude | ||||||
Pan z magnitude | ||||||
Pan y magnitude | ||||||
E(B-V) | 0.040 |
* 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.