All names: Gaia EDR3 4598203433188549120, TIC 313736467, Gaia DR3 4598203433188549120, PG 1724+278, SDSS J172624.10+274419.3, 2MASS J17262411+2744192, PG1724+278, SDSS J172624.09+274419.3, Gaia DR2 4598203433188549120, UCAC4 589-058104
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 17 26 24.10 (0.03) | 17 26 24.07 | 17 26 24.10 (0.03) | ||
| Declination | 27 44 19.11 (0.03) | 27 44 20.27 | 27 44 19.35 (0.03) | ||
| Spectral type | sdB+WD | sdB+D | |||
| Effective temperature | [K] | 32600.0 (500) | |||
| log(g) | [cgs] | 5.84 (0.05) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 0.62 (0.04) | 0.67 (0.05) | 0.62 (0.04) | |
| Distance | [pc] | 1617.34 (105) | 1498.35 (121) | 1617.34 (105) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 2.355 (0.03) | 2.363 (0.08) | 2.355 (0.03) | |
| Proper motion (declination) | [mas/yr] | -15.399 (0.04) | -15.598 (0.09) | -15.399 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 15.71 (0.03) | ||||
| V magnitude | 15.99 (0.01) | ||||
| R magnitude | 16.18 (0.7) | ||||
| I magnitude | |||||
| J magnitude | 16.47 (0.1) | 16.47 (0.1) | |||
| H magnitude | 15.92 | ||||
| K magnitude | 16.54 | ||||
| u magnitude | 15.48 (0.004) | 15.48 (0.004) | |||
| g magnitude | 15.72 (0.004) | 15.72 (0.004) | |||
| r magnitude | 16.21 (0.004) | 16.21 (0.004) | |||
| i magnitude | 16.56 (0.005) | 16.56 (0.005) | |||
| z magnitude | 16.89 (0.01) | 16.89 (0.01) | |||
| G magnitude | 15.98 (0.003) | 16.00 (0.002) | 15.98 (0.003) | ||
| BP magnitude | 15.84 (0.004) | 15.78 (0.007) | |||
| RP magnitude | 16.26 (0.005) | 16.26 (0.004) | |||
| Pan g magnitude | 15.81 (0.004) | ||||
| Pan r magnitude | 16.23 (0.002) | ||||
| Pan i magnitude | 16.58 (0.002) | ||||
| Pan z magnitude | 16.87 (0.004) | ||||
| Pan y magnitude | 17.07 (0.01) | ||||
| E(B-V) | 0.032 | ||||
* 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.