All names: SDSS J163750.10+264433.2, Gaia DR2 1304407509397680128, GALEX J163750.0+264433, Gaia DR3 1304407509397680128, SDSS J163750.10+264433.3, Gaia EDR3 1304407509397680128
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 | 16 37 50.10 (0.2) | 16 37 50.10 | 16 37 50.10 (0.2) | 16 37 50.10 (0.2) | 16 37 50.10 | |||||
Declination | 26 44 33.02 (0.2) | 26 44 33.24 | 26 44 33.02 (0.3) | 26 44 33.31 (0.2) | 26 44 33.27 | |||||
Spectral type | DA | DA | DA | DA | ||||||
Effective temperature | [K] | 9009.0 | 10174.0 (181) | |||||||
log(g) | [cgs] | 6.93 | 7.73 (0.2) | |||||||
Mass | [M☉] | 0.198 | 0.477 (0.1) | |||||||
log(Luminosity) | [L☉] | |||||||||
Cooling age | [Gyr] | |||||||||
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] | 2.30 (0.3) | 1.95 (0.4) | 2.30 (0.3) | ||||||
Distance | [pc] | 434.83 (52) | 513.82 (94) | 434.82 (52) | ||||||
Composition | H | |||||||||
Proper motion (right ascension) | [mas/yr] | -7.334050265 (0.2) | -7.181725807 (0.5) | -7.334 (0.2) | ||||||
Proper motion (declination) | [mas/yr] | -18.17378099 (0.3) | -18.86409194 (0.6) | -18.174 (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 | 20.30 (0.05) | 20.30 (0.05) | 20.22 (0.05) | |||||||
g magnitude | 19.59 (0.01) | 19.59 (0.01) | 19.60 (0.02) | |||||||
r magnitude | 19.66 (0.02) | 19.66 (0.01) | 19.64 (0.03) | |||||||
i magnitude | 19.74 (0.02) | 19.74 (0.02) | 19.76 (0.03) | |||||||
z magnitude | 19.88 (0.08) | 19.88 (0.08) | 19.91 (0.09) | |||||||
G magnitude | 19.57 (0.03) | 19.62 | 19.57 (0.004) | |||||||
BP magnitude | 19.63 (0.03) | 19.58 | ||||||||
RP magnitude | 19.43 (0.05) | 19.41 | ||||||||
Pan g magnitude | 19.59 (0.02) | |||||||||
Pan r magnitude | 19.65 (0.01) | |||||||||
Pan i magnitude | 19.77 (0.01) | |||||||||
Pan z magnitude | 19.97 (0.04) | |||||||||
Pan y magnitude | 19.77 (0.05) | |||||||||
E(B-V) | 0.028 |
* 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.