All names: GALEX J113902.2+485700, SDSS J113902.24+485658.4, SDSS J113902.25+485658.6, Gaia EDR3 790431728022893952, SDSS J113902.25+485658.62, Gaia DR3 790431728022893952, Gaia DR2 790431728022893952
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Kepler et al. 2016 | Simbad | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 11 39 02.18 (0.4) | 11 39 02.25 | 11 39 02.18 (0.6) | 11 39 02.26 (0.4) | ||||||
Declination | 48 56 58.01 (0.5) | 48 56 58.42 | 48 56 58.03 (0.8) | 48 56 58.52 (0.5) | ||||||
Spectral type | DAZ: | DAZ: | DAZ | DA | ||||||
Effective temperature | [K] | 7395.0 | 7057.0 (111) | |||||||
log(g) | [cgs] | 8.16 | 7.09 (0.3) | |||||||
Mass | [M☉] | 0.693 | 0.2269999999999999 (0.05) | |||||||
log(Luminosity) | [L☉] | |||||||||
Cooling age | [Gyr] | 1.6730 | ||||||||
log(H/He) | ||||||||||
log(C/He) | ||||||||||
log(Ca/He) | ||||||||||
log(Ca/H) | ||||||||||
log(C/H) | ||||||||||
log(N/H) | ||||||||||
log(O/H) | ||||||||||
log(Na/H) | ||||||||||
log(Mg/H) | ||||||||||
log(Al/H) | ||||||||||
log(Si/H) | ||||||||||
log(P/H) | ||||||||||
log(S/H) | ||||||||||
log(Sc/H) | ||||||||||
log(Ti/H) | ||||||||||
log(Cr/H) | ||||||||||
log(Mn/H) | ||||||||||
log(Fe/H) | ||||||||||
log(Ni/H) | ||||||||||
Parallax | [mas] | 3.23 (0.6) | 4.18 (1) | 3.23 (0.6) | ||||||
Distance | [pc] | 309.28 (60) | 239.23 (58) | 309.27 (60) | ||||||
Composition | H | |||||||||
Proper motion (right ascension) | [mas/yr] | -51.33747008 (0.4) | -50.74284541 (1) | -51.337 (0.4) | ||||||
Proper motion (declination) | [mas/yr] | -31.96049738 (0.6) | -33.09511662 (2) | -31.96 (0.6) | ||||||
Variability | ||||||||||
Magnetic | ||||||||||
Bd | [MG] | |||||||||
Infrared excess (disk) | ||||||||||
Binarity | ||||||||||
B magnitude | ||||||||||
V magnitude | ||||||||||
R magnitude | ||||||||||
I magnitude | ||||||||||
J magnitude | ||||||||||
H magnitude | ||||||||||
K magnitude | ||||||||||
u magnitude | 21.23 (0.08) | 21.18 (0.08) | 21.22 (0.08) | |||||||
g magnitude | 20.59 (0.02) | 20.59 (0.03) | 20.59 (0.02) | |||||||
r magnitude | 20.41 (0.03) | 20.39 (0.03) | 20.41 (0.03) | |||||||
i magnitude | 20.43 (0.04) | 20.45 (0.04) | 20.44 (0.04) | |||||||
z magnitude | 20.50 (0.1) | 20.49 (0.1) | 20.50 (0.1) | |||||||
G magnitude | 20.39 (0.09) | 20.43 | 20.39 (0.006) | |||||||
BP magnitude | 20.63 (0.09) | 20.65 | ||||||||
RP magnitude | 20.05 (0.08) | 19.96 | ||||||||
Pan g magnitude | 20.52 (0.02) | |||||||||
Pan r magnitude | 20.36 (0.03) | |||||||||
Pan i magnitude | 20.38 (0.02) | |||||||||
Pan z magnitude | 20.48 (0.03) | |||||||||
Pan y magnitude | 20.34 (0.4) | |||||||||
E(B-V) | 0.019 |
* 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.