All names: Gaia EDR3 1672240294017461632, GALEX J134419.4+670256, WD 1342+672.1, SDSS J134419.48+670255.8, Gaia DR2 1672240294017461632, SDSS J134419.47+670255.84, SDSS J134419.47+670255.8, Gaia DR3 1672240294017461632
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | SDSS DR12 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 13 44 19.42 (0.2) | 13 44 19.48 | 13 44 19.48 | 13 44 19.43 (0.3) | 13 44 19.47 (0.2) | 13 44 18.43 | |||||||
Declination | 67 02 55.71 (0.2) | 67 02 55.86 | 67 02 55.86 | 67 02 55.72 (0.3) | 67 02 55.86 (0.2) | 67 02 52.80 | |||||||
Spectral type | DC | DC | DC | DC | DC | DC | |||||||
Effective temperature | [K] | 9339.0 | 9208.0 | 11610.0 (713) | |||||||||
log(g) | [cgs] | 8.15 | 8.08 | 7.04 (0.8) | |||||||||
Mass | [M☉] | 0.693 | 0.63 | ||||||||||
log(Luminosity) | [L☉] | ||||||||||||
Cooling age | [Gyr] | 0.9019 | 0.8743 | ||||||||||
log(H/He) | |||||||||||||
log(C/He) | |||||||||||||
log(Ca/He) | |||||||||||||
log(Ca/H) | |||||||||||||
Parallax | [mas] | 3.96 (0.2) | 3.75 (0.3) | 3.96 (0.2) | |||||||||
Distance | [pc] | 252.58 (16) | 266.60 (24) | 252.58 (16) | |||||||||
Composition | |||||||||||||
Proper motion (right ascension) | [mas/yr] | -18.31509059 (0.3) | -18.60101703 (0.7) | -18.315 (0.3) | |||||||||
Proper motion (declination) | [mas/yr] | -9.130827267 (0.3) | -8.501973848 (0.7) | -9.131 (0.3) | |||||||||
Variability | |||||||||||||
Magnetic | |||||||||||||
Bd | [MG] | ||||||||||||
Infrared excess (disk) | |||||||||||||
Binarity | |||||||||||||
B magnitude | |||||||||||||
V magnitude | |||||||||||||
R magnitude | |||||||||||||
I magnitude | |||||||||||||
J magnitude | |||||||||||||
H magnitude | |||||||||||||
K magnitude | |||||||||||||
u magnitude | 19.94 (0.04) | 19.93 (0.04) | 19.94 (0.04) | 19.94 (0.04) | 19.93 | ||||||||
g magnitude | 19.75 (0.02) | 19.76 (0.02) | 19.75 (0.02) | 19.75 (0.02) | 19.75 | ||||||||
r magnitude | 19.83 (0.02) | 19.84 (0.02) | 19.83 (0.02) | 19.83 (0.02) | 19.86 | ||||||||
i magnitude | 19.86 (0.03) | 19.87 (0.03) | 19.86 (0.03) | 19.86 (0.03) | 19.86 | ||||||||
z magnitude | 20.23 (0.1) | 20.24 (0.1) | 20.23 (0.1) | 20.23 (0.1) | 20.24 | ||||||||
G magnitude | 19.75 (0.04) | 19.80 | 19.75 (0.004) | ||||||||||
BP magnitude | 19.85 (0.04) | 19.92 | |||||||||||
RP magnitude | 19.62 (0.05) | 19.69 | |||||||||||
Pan g magnitude | 19.80 (0.01) | ||||||||||||
Pan r magnitude | 19.81 (0.01) | ||||||||||||
Pan i magnitude | 19.96 (0.01) | ||||||||||||
Pan z magnitude | 20.09 (0.03) | ||||||||||||
Pan y magnitude | 20.03 (0.09) | ||||||||||||
E(B-V) | 0.015 |
* 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.