All names: Gaia EDR3 4466294954484842752, SDSSJ163205.75+172241.3, SDSS J163205.76+172241.3, Gaia DR3 4466294954484842752, SDSS J163205.75+172241.3, SDSS J163205.76+172241.30, GALEX J163205.7+172241, Gaia DR2 4466294954484842752
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Geier 2020 | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad |
---|---|---|---|---|---|---|---|---|---|
Right ascension | 16 32 05.76 (0.05) | 16 32 05.76 | 16 32 05.75 | 16 32 05.76 (0.06) | 16 32 05.76 (0.05) | ||||
Declination | 17 22 41.22 (0.05) | 17 22 41.30 | 17 22 41.30 | 17 22 41.22 (0.05) | 17 22 41.30 (0.05) | ||||
Spectral type | sdB | DAB | sdB | ||||||
Effective temperature | [K] | 31111.0 (58) | |||||||
log(g) | [cgs] | 5.66 (0.02) | |||||||
Mass | [M☉] | ||||||||
log(Luminosity) | [L☉] | ||||||||
Cooling age | [Gyr] | ||||||||
log(H/He) | |||||||||
log(C/He) | |||||||||
log(Ca/He) | |||||||||
log(Ca/H) | |||||||||
Parallax | [mas] | 0.25 (0.08) | 0.21 (0.09) | 0.21 (0.09) | 0.25 (0.08) | ||||
Distance | [pc] | 4025.68 (1267) | 4705.88 (2033) | 4705.55 (2032) | 4025.76 (1267) | ||||
Composition | |||||||||
Proper motion (right ascension) | [mas/yr] | -5.168340909 (0.07) | -5.163 (0.1) | -5.162932111 (0.1) | -5.168 (0.07) | ||||
Proper motion (declination) | [mas/yr] | -4.987485842 (0.06) | -5.256 (0.1) | -5.256015129 (0.1) | -4.987 (0.06) | ||||
Variability | |||||||||
Magnetic | |||||||||
Bd | [MG] | ||||||||
Infrared excess (disk) | |||||||||
Binarity | |||||||||
B magnitude | |||||||||
V magnitude | |||||||||
R magnitude | |||||||||
I magnitude | |||||||||
J magnitude | |||||||||
H magnitude | |||||||||
K magnitude | |||||||||
u magnitude | 16.98 (0.008) | 16.98 (0.008) | 17.01 (0.02) | 16.98 (0.008) | |||||
g magnitude | 17.00 (0.004) | 17.00 (0.004) | 17.02 (0.01) | 17.00 (0.004) | |||||
r magnitude | 17.41 (0.005) | 17.41 (0.005) | 17.42 (0.01) | 17.41 (0.005) | |||||
i magnitude | 17.72 (0.007) | 17.72 (0.007) | 17.72 (0.01) | 17.72 (0.007) | |||||
z magnitude | 17.98 (0.02) | 17.98 (0.02) | 17.99 (0.03) | 17.98 (0.02) | |||||
G magnitude | 17.23 (0.005) | 17.26 (0.001) | 17.26 | 17.23 (0.003) | |||||
BP magnitude | 17.12 (0.005) | 17.07 (0.008) | 17.07 | ||||||
RP magnitude | 17.41 (0.008) | 17.40 (0.009) | 17.40 | ||||||
Pan g magnitude | 17.08 (0.003) | 17.08 (0.003) | |||||||
Pan r magnitude | 17.43 (0.002) | 17.43 (0.002) | |||||||
Pan i magnitude | 17.75 (0.003) | 17.75 (0.003) | |||||||
Pan z magnitude | 18.00 (0.01) | 18.00 (0.01) | |||||||
Pan y magnitude | 18.14 (0.01) | 18.14 (0.01) | |||||||
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.