All names: PG1635+413, 2MASS J16370517+4115400, HIDDEN NAME PG 1635+413, Gaia DR3 1356777767921294976, FBS B 373, TIC 68873560, PG 1635+414, GALEX J163705.2+411541, Gaia DR2 1356777767921294976, FBS 1635+413, KUV 16354+4122, KUV 364-35, GALEX J163705.3+411539, SDSS J163705.17+411540.2
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 16 37 05.23 | 16 37 05.18 (0.02) | ||
| Declination | 41 15 40.10 | 41 15 40.20 (0.03) | ||
| Spectral type | sdB | sdBO | ||
| Effective temperature | [K] | 26850.0 (420) | ||
| log(g) | [cgs] | 5.42 (0.06) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 1.10 (0.04) | 1.16 (0.03) | |
| Distance | [pc] | 913.16 (35) | 864.08 (22) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -8.205 (0.07) | -8.075 (0.03) | |
| Proper motion (declination) | [mas/yr] | 1.845 (0.08) | 1.975 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 13.80 | |||
| V magnitude | 14.15 | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 14.57 (0.03) | 14.57 (0.03) | ||
| H magnitude | 14.69 (0.06) | 14.69 (0.06) | ||
| K magnitude | 14.55 (0.09) | 14.55 (0.09) | ||
| u magnitude | 13.54 (0.003) | 13.56 (0.02) | ||
| g magnitude | 13.70 (0.01) | |||
| r magnitude | 14.18 (0.004) | 14.17 (0.01) | ||
| i magnitude | 14.53 (0.004) | 14.51 (0.02) | ||
| z magnitude | 14.85 (0.005) | 14.83 (0.01) | ||
| G magnitude | 13.95 (0.0007) | 13.94 (0.003) | ||
| BP magnitude | 13.75 (0.007) | |||
| RP magnitude | 14.21 (0.002) | |||
| Pan g magnitude | 13.77 (0.002) | |||
| Pan r magnitude | 14.20 (0.005) | |||
| Pan i magnitude | 14.56 (0.002) | |||
| Pan z magnitude | 14.83 (0.0008) | |||
| Pan y magnitude | 15.01 (0.006) | |||
| E(B-V) | 0.019 | |||
* 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.