All names: Gaia DR2 1327056662952543232, FBS B 582, KUV 16491+3539, KUV 433-11, Balloon 83500008, SDSS J165054.38+353342.3, FBS 1649+356, Gaia DR3 1327056662952543232, GALEX J165054.4+353342, TIC 298339406, PG 1649+356, GALEX J165054.4+353341, PG1649+356, 2MASS J16505439+3533421
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 16 50 54.37 | 16 50 54.38 (0.03) | ||
| Declination | 35 33 42.17 | 35 33 42.32 (0.03) | ||
| Spectral type | sdB | sdB | ||
| Effective temperature | [K] | 33020.0 (610) | ||
| log(g) | [cgs] | 5.82 (0.1) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.78 (0.04) | 0.86 (0.03) | |
| Distance | [pc] | 1288.99 (74) | 1157.94 (45) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 2.073 (0.07) | 2.199 (0.04) | |
| Proper motion (declination) | [mas/yr] | 4.873 (0.1) | 5.238 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.01 | |||
| V magnitude | 15.49 | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 15.73 (0.08) | 15.73 (0.08) | ||
| H magnitude | 15.79 (0.1) | 15.79 (0.1) | ||
| K magnitude | 15.55 | |||
| u magnitude | 14.56 (0.004) | 14.54 (0.01) | ||
| g magnitude | 14.81 (0.004) | 14.82 (0.01) | ||
| r magnitude | 15.32 (0.004) | 15.33 (0.01) | ||
| i magnitude | 15.70 (0.004) | 15.71 (0.01) | ||
| z magnitude | 16.04 (0.007) | 16.02 (0.02) | ||
| G magnitude | 15.09 (0.0007) | 15.08 (0.003) | ||
| BP magnitude | 14.85 (0.007) | |||
| RP magnitude | 15.38 (0.002) | |||
| Pan g magnitude | 14.89 (0.004) | |||
| Pan r magnitude | 15.35 (0.002) | |||
| Pan i magnitude | 15.71 (0.002) | |||
| Pan z magnitude | 15.99 (0.003) | |||
| Pan y magnitude | 16.19 (0.005) | |||
| E(B-V) | 0.022 | |||
* 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.