All names: UCAC4 540-059661, Gaia DR2 4467169787782385664, SDSS J163212.26+175318.3, LAMOST J163212.26+175318.3, Gaia EDR3 4467169787783133312, PG1629+179, SDSS J163212.26+175318.4, GALEX J163212.3+175319, SDSS J163212.26+175318.31, PG 1629+179, Gaia DR3 4467169787783133312
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Geier 2020 | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 16 32 12.26 (0.04) | 16 32 12.26 | 16 32 12.28 | 16 32 12.26 (0.09) | 16 32 12.27 (0.04) | ||||
| Declination | 17 53 18.23 (0.03) | 17 53 18.49 | 17 53 19.41 | 17 53 18.24 (0.07) | 17 53 18.49 (0.03) | ||||
| Spectral type | sdB | A/DAZ | sdB | ||||||
| Effective temperature | [K] | 37440.0 (2100) | 35974.0 (154) | ||||||
| log(g) | [cgs] | 5.72 (0.2) | 5.42 (0.03) | ||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 0.56 (0.06) | 0.53 (0.1) | 0.53 (0.1) | 0.56 (0.06) | ||||
| Distance | [pc] | 1798.78 (186) | 1889.64 (445) | 1889.64 (445) | 1798.88 (186) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -5.118514718 (0.05) | -5.394 (0.1) | -5.394 (0.1) | -5.119 (0.05) | ||||
| Proper motion (declination) | [mas/yr] | -15.99321558 (0.04) | -15.838 (0.1) | -15.838 (0.1) | -15.993 (0.04) | ||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | 15.92 (0.2) | ||||||||
| V magnitude | 15.99 (0.05) | ||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | |||||||||
| H magnitude | |||||||||
| K magnitude | |||||||||
| u magnitude | 15.46 (0.005) | 15.46 (0.005) | 15.49 (0.02) | 15.46 (0.005) | |||||
| g magnitude | 15.73 (0.004) | 15.73 (0.004) | 15.78 (0.02) | 15.73 (0.004) | |||||
| r magnitude | 16.22 (0.005) | 16.22 (0.005) | 16.22 (0.02) | 16.22 (0.005) | |||||
| i magnitude | 16.54 (0.006) | 16.54 (0.006) | 16.53 (0.02) | 16.54 (0.006) | |||||
| z magnitude | 16.86 (0.009) | 16.86 (0.009) | 16.87 (0.01) | 16.86 (0.009) | |||||
| G magnitude | 15.99 (0.002) | 15.99 (0.002) | 15.99 | 15.99 (0.003) | |||||
| BP magnitude | 15.84 (0.002) | 15.79 (0.01) | 15.79 | ||||||
| RP magnitude | 16.25 (0.004) | 16.25 (0.004) | 16.25 | ||||||
| Pan g magnitude | 15.81 (0.006) | 15.81 (0.006) | |||||||
| Pan r magnitude | 16.22 (0.004) | 16.22 (0.004) | |||||||
| Pan i magnitude | 16.57 (0.003) | 16.57 (0.003) | |||||||
| Pan z magnitude | 16.84 (0.003) | 16.84 (0.003) | |||||||
| Pan y magnitude | 17.02 (0.007) | 17.02 (0.007) | |||||||
| E(B-V) | 0.054 | ||||||||
* 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.