All names: SDSS J134341.88+670154.4, SDSS J134341.89+670154.4, Gaia EDR3 1672427588951276800, Gaia DR2 1672427588951276800, WD 1342+672, FBS B 821, SDSS J134341.89+670154.5, FBS 1342+673, Gaia DR3 1672427588951276800, SDSS J134341.86+670154.4, SDSS J134341.88+670154.5, GALEX J134341.7+670154
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Hugelmeyer et al. 2006 | Werner & Herwig 2006 | Vincent et al. 2024 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 13 43 41.85 (0.05) | 13 43 41.89 | 13 43 41.85 (0.08) | 13 43 41.85 | 13 43 41.88 (0.05) | 13 43 41.89 | 13 43 40.87 | 13 43 41.88 | ||||||
Declination | 67 01 54.49 (0.05) | 67 01 54.49 | 67 01 54.49 (0.07) | 67 01 54.49 | 67 01 54.51 (0.05) | 67 01 54.48 | 67 01 51.60 | 67 01 54.47 | ||||||
Spectral type | PG1159 | PG1159 | DO | PG1159 | PG1159 | PG1159 | PG1159 | DO: | ||||||
Effective temperature | [K] | 100000.0 (700) | 90000.0 | 119985.0 (90416) | 100000.0 (794) | 100000.0 (794) | ||||||||
log(g) | [cgs] | 7.60 (0.02) | 7.60 | 7.95 | 5.00 (0.003) | 5.00 (0.006) | ||||||||
Mass | [M☉] | 0.6 | 0.736 (2) | |||||||||||
log(Luminosity) | [L☉] | |||||||||||||
Cooling age | [Gyr] | |||||||||||||
log(H/He) | ||||||||||||||
log(C/He) | -1.3010299957 (-3) | -0.8239087409 | ||||||||||||
log(Ca/He) | ||||||||||||||
log(Ca/H) | ||||||||||||||
Parallax | [mas] | 1.45 (0.06) | 1.48 (0.08) | 1.45 | 1.45 (0.06) | |||||||||
Distance | [pc] | 687.42 (26) | 673.74 (37) | 687.42 | 687.43 (26) | |||||||||
Composition | ||||||||||||||
Proper motion (right ascension) | [mas/yr] | -13.68883482 (0.06) | -13.8427542 (0.1) | -13.689 (0.06) | -11.0 | |||||||||
Proper motion (declination) | [mas/yr] | -1.507176555 (0.06) | -1.529266623 (0.1) | -1.507 (0.07) | -2.7 | |||||||||
Variability | NOV | NOV | ||||||||||||
Magnetic | yes | |||||||||||||
Bd | [MG] | |||||||||||||
Infrared excess (disk) | ||||||||||||||
Binarity | ||||||||||||||
B magnitude | ||||||||||||||
V magnitude | ||||||||||||||
R magnitude | ||||||||||||||
I magnitude | ||||||||||||||
J magnitude | ||||||||||||||
H magnitude | ||||||||||||||
K magnitude | ||||||||||||||
u magnitude | 16.33 (0.006) | 16.33 (0.006) | 16.33 (0.01) | 16.33 | 16.34 (0.01) | |||||||||
g magnitude | 16.83 (0.004) | 16.83 (0.004) | 16.87 (0.02) | 16.87 | 16.87 (0.02) | |||||||||
r magnitude | 17.41 (0.005) | 17.41 (0.005) | 17.44 (0.02) | 17.45 | 17.44 (0.02) | |||||||||
i magnitude | 17.81 (0.008) | 17.81 (0.008) | 17.82 (0.01) | 17.81 | 17.82 (0.01) | |||||||||
z magnitude | 18.13 (0.03) | 18.12 (0.03) | 18.15 (0.03) | 18.15 | 18.14 (0.03) | |||||||||
G magnitude | 17.13 (0.004) | 17.16 | 17.13 | 17.13 (0.003) | ||||||||||
BP magnitude | 16.95 (0.004) | 16.87 | ||||||||||||
RP magnitude | 17.51 (0.01) | 17.51 | ||||||||||||
Pan g magnitude | 16.96 (0.005) | |||||||||||||
Pan r magnitude | 17.42 (0.004) | |||||||||||||
Pan i magnitude | 17.84 (0.003) | |||||||||||||
Pan z magnitude | 18.16 (0.007) | |||||||||||||
Pan y magnitude | 18.34 (0.01) | |||||||||||||
E(B-V) | 0.017 |
* 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.