All names: GALEX J171218.5+485835, Gaia EDR3 1414187320160273024, TIC 367813749, TYC 3504-599-1, LAMOST J171218.75+485835.7, Gaia DR2 1414187320160273024, PG 1710+490, 2MASS J17121874+4858357, Gaia DR3 1414187320160273024, PG1710+490, [TFW97] J171218.74+485835.88
Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|---|
Right ascension | 17 12 18.77 (0.03) | 17 12 18.73 | 17 12 18.76 (0.03) | ||
Declination | 48 58 35.66 (0.04) | 48 58 35.90 | 48 58 35.78 (0.04) | ||
Spectral type | sdB | sdB1.5VIIHe3 | |||
Effective temperature | [K] | 30600.0 (500) | |||
log(g) | [cgs] | 5.66 (0.05) | |||
Mass | [M☉] | ||||
log(Luminosity) | [L☉] | ||||
Cooling age | [Gyr] | ||||
log(H/He) | |||||
log(C/He) | |||||
log(Ca/He) | |||||
log(Ca/H) | |||||
Parallax | [mas] | 2.14 (0.03) | 2.23 (0.05) | 2.14 (0.03) | |
Distance | [pc] | 466.64 (7) | 448.01 (9) | 466.64 (7) | |
Composition | |||||
Proper motion (right ascension) | [mas/yr] | 10.017 (0.04) | 9.829 (0.08) | 10.017 (0.04) | |
Proper motion (declination) | [mas/yr] | -7.616 (0.05) | -7.708 (0.1) | -7.616 (0.05) | |
Variability | |||||
Magnetic | |||||
Bd | [MG] | ||||
Infrared excess (disk) | |||||
Binarity | |||||
B magnitude | 12.56 (0.2) | ||||
V magnitude | 13.03 (0.3) | ||||
R magnitude | |||||
I magnitude | |||||
J magnitude | 13.42 (0.02) | 13.42 (0.02) | |||
H magnitude | 13.61 (0.04) | 13.61 (0.04) | |||
K magnitude | 13.61 (0.04) | 13.61 (0.04) | |||
u magnitude | |||||
g magnitude | |||||
r magnitude | |||||
i magnitude | |||||
z magnitude | |||||
G magnitude | 12.83 (0.003) | 12.85 (0.0007) | 12.83 (0.003) | ||
BP magnitude | 12.70 (0.003) | 12.64 (0.009) | |||
RP magnitude | 13.10 (0.004) | 13.10 (0.002) | |||
Pan g magnitude | 12.63 | ||||
Pan r magnitude | 13.08 | ||||
Pan i magnitude | 13.42 | ||||
Pan z magnitude | 13.71 (0.003) | ||||
Pan y magnitude | 13.88 (0.005) | ||||
E(B-V) | 0.027 |
* 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.