All names: SDSS J173638.18+642732.0, Gaia EDR3 1440563916916092288, SDSS J173638.14+642732.1, SDSS J173638.13+642732.1, Gaia DR3 1440563916916092288, Gaia DR2 1440563916916092288, SDSS J173638.14+642732.2, GALEX J173638.1+642731
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 17 36 38.06 (0.3) | 17 36 38.18 | 17 36 38.07 (0.4) | 17 36 38.19 (0.3) | 17 36 38.14 | |||||
Declination | 64 27 32.37 (0.2) | 64 27 32.02 | 64 27 32.36 (0.3) | 64 27 32.02 (0.2) | 64 27 32.16 | |||||
Spectral type | DA | DA | DA | DA | ||||||
Effective temperature | [K] | 10600.0 | 10988.0 (105) | |||||||
log(g) | [cgs] | 7.74 | 8.06 (0.09) | |||||||
Mass | [M☉] | 0.461 | 0.636 (0.06) | |||||||
log(Luminosity) | [L☉] | |||||||||
Cooling age | [Gyr] | 0.3780 | ||||||||
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] | 2.85 (0.3) | 2.58 (0.4) | 2.85 (0.3) | ||||||
Distance | [pc] | 350.30 (32) | 387.26 (53) | 350.30 (32) | ||||||
Composition | H | |||||||||
Proper motion (right ascension) | [mas/yr] | -53.09943517 (0.4) | -52.59686829 (0.8) | -53.099 (0.4) | ||||||
Proper motion (declination) | [mas/yr] | 21.66277564 (0.3) | 21.26316965 (0.6) | 21.663 (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 | 19.97 (0.04) | 19.97 (0.04) | 19.98 (0.04) | |||||||
g magnitude | 19.51 (0.01) | 19.51 (0.01) | 19.54 (0.02) | |||||||
r magnitude | 19.59 (0.02) | 19.59 (0.02) | 19.62 (0.02) | |||||||
i magnitude | 19.75 (0.02) | 19.75 (0.02) | 19.76 (0.04) | |||||||
z magnitude | 19.88 (0.09) | 19.88 (0.09) | 19.88 (0.08) | |||||||
G magnitude | 19.57 (0.05) | 19.60 | 19.57 (0.005) | |||||||
BP magnitude | 19.57 (0.05) | 19.62 | ||||||||
RP magnitude | 19.62 (0.06) | 19.62 | ||||||||
Pan g magnitude | 19.51 (0.01) | |||||||||
Pan r magnitude | 19.67 (0.01) | |||||||||
Pan i magnitude | 19.84 (0.02) | |||||||||
Pan z magnitude | 20.00 (0.03) | |||||||||
Pan y magnitude | 20.01 (0.1) | |||||||||
E(B-V) | 0.024 |
* 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.