All names: GSC 00964-01526, PG 1633+099, BPS CS 22878-0031, TIC 291267441, Gaia DR2 4446608714189510272, GALEX J163524.1+094750, PG1633+099, UCAC2 35229497, 2MASS J16352402+0947499, Gaia DR3 4446608714189510272
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 16 35 24.09 | 16 35 24.02 (0.02) | ||
| Declination | 09 47 50.39 | 09 47 49.89 (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] | 0.95 (0.05) | 0.93 (0.03) | |
| Distance | [pc] | 1055.30 (51) | 1077.01 (36) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -19.162 (0.07) | -19.104 (0.03) | |
| Proper motion (declination) | [mas/yr] | -9.933 (0.04) | -9.833 (0.02) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 14.21 (0.001) | |||
| V magnitude | 14.40 (0.002) | |||
| R magnitude | 14.48 (0.002) | |||
| I magnitude | 14.61 (0.01) | |||
| J magnitude | 14.82 (0.03) | 14.82 (0.03) | ||
| H magnitude | 15.01 (0.06) | 15.01 (0.06) | ||
| K magnitude | 14.93 (0.1) | 14.93 (0.1) | ||
| u magnitude | 14.74 (0.006) | |||
| g magnitude | 15.21 (0.008) | |||
| r magnitude | ||||
| i magnitude | 15.21 (0.007) | |||
| z magnitude | 15.13 (0.007) | |||
| G magnitude | 14.37 (0.0004) | 14.36 (0.003) | ||
| BP magnitude | 14.19 (0.004) | |||
| RP magnitude | 14.56 (0.002) | |||
| Pan g magnitude | 14.20 (0.002) | |||
| Pan r magnitude | 14.60 (0.003) | |||
| Pan i magnitude | 14.90 (0.004) | |||
| Pan z magnitude | 15.15 (0.003) | |||
| Pan y magnitude | 15.32 (0.003) | |||
| E(B-V) | 0.055 | |||
* 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.