All names: Gaia EDR3 1302029716720773248, Gaia DR3 1302029716720773248, TIC 236394044, SDSS J161942.83+240715.70, SDSS J161942.82+240715.7, 2MASS J16194281+2407156, SDSSJ161942.82+240715.7, SDSS J161942.83+240715.7, Gaia DR2 1302029716720773248, SDSS J161942.82+240715.6, GALEX J161942.8+240715
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Geier 2020 | Gaia DR2 | Stilism | Kepler et al. 2016 | Simbad |
---|---|---|---|---|---|---|---|---|---|
Right ascension | 16 19 42.82 (0.02) | 16 19 42.82 | 16 19 42.82 | 16 19 42.82 (0.03) | 16 19 42.83 (0.02) | ||||
Declination | 24 07 15.66 (0.03) | 24 07 15.68 | 24 07 15.70 | 24 07 15.66 (0.04) | 24 07 15.69 (0.03) | ||||
Spectral type | sdB+MS | sdB | sdB2.5He5+F/K | ||||||
Effective temperature | [K] | 27741.0 (342) | |||||||
log(g) | [cgs] | 5.23 (0.05) | |||||||
Mass | [M☉] | ||||||||
log(Luminosity) | [L☉] | ||||||||
Cooling age | [Gyr] | ||||||||
log(H/He) | |||||||||
log(C/He) | |||||||||
log(Ca/He) | |||||||||
log(Ca/H) | |||||||||
Parallax | [mas] | 0.27 (0.04) | 0.30 (0.06) | 0.30 (0.06) | 0.27 (0.04) | ||||
Distance | [pc] | 3741.43 (600) | 3370.41 (662) | 3370.26 (662) | 3741.11 (600) | ||||
Composition | |||||||||
Proper motion (right ascension) | [mas/yr] | -9.878551293 (0.03) | -9.783 (0.08) | -9.783073454 (0.08) | -9.879 (0.03) | ||||
Proper motion (declination) | [mas/yr] | -1.795622221 (0.04) | -1.906 (0.09) | -1.905967057 (0.09) | -1.796 (0.04) | ||||
Variability | |||||||||
Magnetic | |||||||||
Bd | [MG] | ||||||||
Infrared excess (disk) | |||||||||
Binarity | |||||||||
B magnitude | |||||||||
V magnitude | |||||||||
R magnitude | |||||||||
I magnitude | |||||||||
J magnitude | 15.81 (0.07) | 15.88 (0.006) | |||||||
H magnitude | 15.69 (0.1) | 15.71 (0.01) | |||||||
K magnitude | 15.66 (0.2) | 15.72 (0.02) | |||||||
u magnitude | 16.78 (0.007) | 16.78 (0.007) | 16.79 (0.02) | 16.78 (0.007) | |||||
g magnitude | 16.39 (0.004) | 16.39 (0.004) | 16.42 (0.02) | 16.39 (0.004) | |||||
r magnitude | 16.45 (0.005) | 16.45 (0.005) | 16.46 (0.02) | 16.45 (0.005) | |||||
i magnitude | 16.50 (0.005) | 16.49 (0.005) | 16.48 (0.01) | 16.49 (0.005) | |||||
z magnitude | 16.57 (0.009) | 16.56 (0.009) | 16.57 (0.02) | 16.56 (0.009) | |||||
G magnitude | 16.37 (0.002) | 16.39 (0.0006) | 16.39 | 16.37 (0.003) | |||||
BP magnitude | 16.46 (0.002) | 16.44 (0.005) | 16.44 | ||||||
RP magnitude | 16.17 (0.003) | 16.17 (0.003) | 16.17 | ||||||
Pan g magnitude | 16.43 (0.003) | 16.43 (0.003) | |||||||
Pan r magnitude | 16.46 (0.002) | 16.46 (0.002) | |||||||
Pan i magnitude | 16.51 (0.003) | 16.51 (0.003) | |||||||
Pan z magnitude | 16.58 (0.005) | 16.58 (0.005) | |||||||
Pan y magnitude | 16.61 (0.005) | 16.61 (0.005) | |||||||
E(B-V) | 0.056 |
* 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.