All names: TIC 313590537, WDJ131841.42+770610.67, WDJ131841.42+770610.68, NLTT 33753, Gaia DR2 1716441799621652096, Gaia DR3 1716441799621652096, LP 21-99, LSPM J1318+7706, USNO-B1.0 1671-00074326, Gaia EDR3 1716441799621652096, 2MASS J13184131+7706108
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 13 18 41.05 (0.07) | 13 18 41.06 | 13 18 41.05 | 13 18 41.42 (0.07) | 13 18 41.06 | |||||
Declination | 77 06 12.84 (0.06) | 77 06 12.77 | 77 06 12.84 | 77 06 10.68 (0.06) | 77 06 12.77 | |||||
Spectral type | DA: | DA | ||||||||
Effective temperature | [K] | 7592.0 | 7325.0 | 7882.0 (112) | ||||||
log(g) | [cgs] | 7.99 | 7.88 | 8.06 (0.03) | ||||||
Mass | [M☉] | 0.588 | 0.508 | 0.633 (0.02) | ||||||
log(Luminosity) | [L☉] | |||||||||
Cooling age | [Gyr] | 1.2170 | 1.1980 | |||||||
log(H/He) | ||||||||||
log(C/He) | ||||||||||
log(Ca/He) | ||||||||||
log(Ca/H) | ||||||||||
Parallax | [mas] | 12.64 (0.07) | 12.69 (0.1) | 12.64 | 12.64 (0.07) | 12.69 (0.1) | ||||
Distance | [pc] | 79.12 (0.5) | 78.83 (0.6) | 79.12 | 79.12 (0.5) | 78.83 (0.6) | ||||
Composition | ||||||||||
Proper motion (right ascension) | [mas/yr] | -78.18799366 (0.09) | -78.0876814 (0.2) | -78.188 (0.09) | -78.0876814 | |||||
Proper motion (declination) | [mas/yr] | 135.0003857 (0.08) | 134.9159281 (0.1) | 135.0 (0.08) | 134.9159281 | |||||
Variability | ||||||||||
Magnetic | ||||||||||
Bd | [MG] | |||||||||
Infrared excess (disk) | ||||||||||
Binarity | ||||||||||
B magnitude | 17.40 | |||||||||
V magnitude | ||||||||||
R magnitude | 17.50 | |||||||||
I magnitude | ||||||||||
J magnitude | 16.86 (0.1) | |||||||||
H magnitude | ||||||||||
K magnitude | ||||||||||
u magnitude | ||||||||||
g magnitude | ||||||||||
r magnitude | ||||||||||
i magnitude | ||||||||||
z magnitude | ||||||||||
G magnitude | 17.60 (0.008) | 17.62 | 17.60 | 17.60 (0.003) | 17.62 | |||||
BP magnitude | 17.75 (0.008) | 17.77 | 17.77 | |||||||
RP magnitude | 17.32 (0.01) | 17.34 | 17.34 | |||||||
Pan g magnitude | 17.74 (0.004) | |||||||||
Pan r magnitude | 17.64 (0.008) | |||||||||
Pan i magnitude | 17.66 (0.006) | |||||||||
Pan z magnitude | 17.71 (0.006) | |||||||||
Pan y magnitude | 17.79 (0.03) | |||||||||
E(B-V) | 0.006 |
* 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.