All names: Gaia DR2 2261817262264874752, UCAC4 800-027767, TIC 259126140, 2MASS J19262507+6953112, HS1926+6947, Gaia DR3 2261817262264874752, GALEX J192625.2+695311, HS 1926+6947
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 19 26 25.21 | 19 26 25.16 (0.03) | ||
| Declination | 69 53 11.29 | 69 53 11.45 (0.03) | ||
| Spectral type | sdB | sdB | ||
| Effective temperature | [K] | 25500.0 (1300) | ||
| log(g) | [cgs] | 5.20 (0.4) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.64 (0.04) | 0.62 (0.03) | |
| Distance | [pc] | 1571.09 (106) | 1611.34 (75) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -3.063 (0.09) | -3.013 (0.04) | |
| Proper motion (declination) | [mas/yr] | 3.343 (0.1) | 3.549 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.77 (0.04) | |||
| V magnitude | 15.91 (0.01) | |||
| R magnitude | 15.96 (0.3) | |||
| I magnitude | ||||
| J magnitude | 16.05 (0.09) | 16.05 (0.09) | ||
| H magnitude | 16.19 (0.2) | 16.19 (0.2) | ||
| K magnitude | 16.98 | |||
| u magnitude | ||||
| g magnitude | 15.71 (0.01) | |||
| r magnitude | 16.00 (0.01) | |||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 15.83 (0.0009) | 15.81 (0.003) | ||
| BP magnitude | 15.75 (0.007) | |||
| RP magnitude | 15.89 (0.003) | |||
| Pan g magnitude | 15.74 (0.01) | |||
| Pan r magnitude | 15.97 (0.004) | |||
| Pan i magnitude | 16.22 (0.003) | |||
| Pan z magnitude | 16.41 (0.007) | |||
| Pan y magnitude | 16.57 (0.01) | |||
| E(B-V) | 0.080 | |||
* 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.