All names: Gaia DR2 2252213921550077056, HS 1859+6219, Gaia DR3 2252213921550077056, UCAC4 762-049987, HS1859+6219, Gaia EDR3 2252213921550077056, GALEX J190005.8+622355, 2MASS J19000599+6223562, TIC 230376298
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 19 00 05.95 (0.03) | 19 00 06.01 | 19 00 05.97 (0.03) | ||
| Declination | 62 23 56.23 (0.03) | 62 23 56.11 | 62 23 56.23 (0.03) | ||
| Spectral type | sdB | sdB | |||
| Effective temperature | [K] | 29000.0 (1300) | |||
| log(g) | [cgs] | 5.50 (0.2) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 0.67 (0.03) | 0.61 (0.05) | 0.67 (0.03) | |
| Distance | [pc] | 1493.65 (68) | 1642.85 (122) | 1493.65 (68) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -6.451 (0.04) | -6.601 (0.09) | -6.451 (0.04) | |
| Proper motion (declination) | [mas/yr] | -0.078 (0.04) | -0.064 (0.08) | -0.078 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 15.02 (0.02) | ||||
| V magnitude | 15.23 (0.01) | ||||
| R magnitude | 15.52 (0.1) | ||||
| I magnitude | |||||
| J magnitude | 15.84 (0.08) | 15.84 (0.08) | |||
| H magnitude | 16.09 | ||||
| K magnitude | 15.94 | ||||
| u magnitude | 14.88 (0.004) | ||||
| g magnitude | 15.02 (0.003) | 15.03 (0.01) | |||
| r magnitude | 15.49 (0.004) | 15.48 (0.01) | |||
| i magnitude | 15.77 (0.004) | ||||
| z magnitude | 16.09 (0.007) | ||||
| G magnitude | 15.25 (0.003) | 15.27 (0.0007) | 15.25 (0.003) | ||
| BP magnitude | 15.13 (0.003) | 15.08 (0.006) | |||
| RP magnitude | 15.49 (0.004) | 15.48 (0.003) | |||
| Pan g magnitude | 15.09 (0.004) | ||||
| Pan r magnitude | 15.49 (0.003) | ||||
| Pan i magnitude | 15.82 (0.004) | ||||
| Pan z magnitude | 16.08 (0.002) | ||||
| Pan y magnitude | 16.26 (0.01) | ||||
| E(B-V) | 0.045 | ||||
* 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.