All names: FBS 1725+373, SDSS J172645.28+371330.5, PG 1725+373, 2MASS J17264529+3713307, TIC 101927028, PG1725+373, Gaia DR2 1337242538672314112, FBS B 152, LAMOST J172645.28+371330.6, Gaia DR3 1337242538672314112
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 17 26 45.32 | 17 26 45.29 (0.02) | ||
| Declination | 37 13 31.32 | 37 13 30.60 (0.03) | ||
| Spectral type | sdOB | sdOA | ||
| Effective temperature | [K] | 36250.0 (3050) | ||
| log(g) | [cgs] | 5.86 (0.5) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.66 (0.04) | 0.70 (0.03) | |
| Distance | [pc] | 1516.53 (91) | 1420.45 (60) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -9.648 (0.07) | -9.609 (0.03) | |
| Proper motion (declination) | [mas/yr] | -13.67 (0.08) | -13.49 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.29 | |||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 15.25 (0.04) | 15.25 (0.04) | ||
| H magnitude | 14.93 (0.06) | 14.93 (0.06) | ||
| K magnitude | 15.06 (0.1) | 15.06 (0.1) | ||
| u magnitude | 15.07 (0.004) | 15.08 (0.02) | ||
| g magnitude | 15.34 (0.003) | 15.34 (0.02) | ||
| r magnitude | 15.71 (0.003) | 15.71 (0.01) | ||
| i magnitude | 15.89 (0.004) | 15.88 (0.01) | ||
| z magnitude | 16.00 (0.007) | 15.98 (0.01) | ||
| G magnitude | 15.51 (0.0007) | 15.50 (0.003) | ||
| BP magnitude | 15.37 (0.006) | |||
| RP magnitude | 15.57 (0.003) | |||
| Pan g magnitude | 15.40 (0.004) | |||
| Pan r magnitude | 15.73 (0.003) | |||
| Pan i magnitude | 15.93 (0.002) | |||
| Pan z magnitude | 16.05 (0.006) | |||
| Pan y magnitude | 16.09 (0.006) | |||
| E(B-V) | 0.028 | |||
* 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.