All names: Gaia DR2 4603989200813206272, TIC 22129580, GALEXJ175835.06+324502.98, GALEX J175835.0+324502, UCAC2 43290374, WISE J175834.97+324501.6, Gaia DR3 4603989200813206272, 2MASS J17583494+3245015, UCAC4 614-057995, WISEA J175834.97+324501.6
Parameter | Unit | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|
Right ascension | 17 58 35.06 | 17 58 34.96 (0.02) | ||
Declination | 32 45 02.98 | 32 45 01.52 (0.02) | ||
Spectral type | sdB | sdB | ||
Effective temperature | [K] | |||
log(g) | [cgs] | |||
Mass | [M☉] | |||
log(Luminosity) | [L☉] | |||
Cooling age | [Gyr] | |||
log(H/He) | ||||
log(C/He) | ||||
log(Ca/He) | ||||
log(Ca/H) | ||||
Parallax | [mas] | 0.65 (0.03) | 0.65 (0.03) | |
Distance | [pc] | 1545.83 (74) | 1527.42 (59) | |
Composition | ||||
Proper motion (right ascension) | [mas/yr] | -1.941 (0.05) | -2.08 (0.03) | |
Proper motion (declination) | [mas/yr] | 3.242 (0.06) | 3.109 (0.03) | |
Variability | ||||
Magnetic | ||||
Bd | [MG] | |||
Infrared excess (disk) | ||||
Binarity | ||||
B magnitude | ||||
V magnitude | ||||
R magnitude | 14.57 (0.1) | |||
I magnitude | ||||
J magnitude | 14.74 (0.04) | 14.74 (0.04) | ||
H magnitude | 14.89 (0.07) | 14.89 (0.07) | ||
K magnitude | 14.81 (0.1) | 14.81 (0.1) | ||
u magnitude | ||||
g magnitude | ||||
r magnitude | ||||
i magnitude | ||||
z magnitude | ||||
G magnitude | 14.34 (0.0005) | 14.32 (0.003) | ||
BP magnitude | 14.20 (0.005) | |||
RP magnitude | 14.49 (0.001) | |||
Pan g magnitude | 14.19 (0.003) | |||
Pan r magnitude | 14.54 (0.002) | |||
Pan i magnitude | 14.83 (0.001) | |||
Pan z magnitude | 15.06 (0.006) | |||
Pan y magnitude | 15.20 (0.006) | |||
E(B-V) | 0.039 |
* 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.