All names: Gaia EDR3 6640632898385016448, EC19327-5656, Gaia DR3 6640633727315675776, UCAC4 166-207898, Gaia DR2 6640633727315675776, GALEX J193650.0-565009, EC 19327-5656, WISE J193650.04-565009.7, TIC 320176500, Gaia DR3 6640632898385016448, 2MASS J19365004-5650098
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Vincent et al. 2024 | Simbad |
|---|---|---|---|---|---|---|
| Right ascension | 19 36 58.00 (0.2) | 19 36 50.13 | 19 36 58.00 | 19 36 50.05 (0.03) | ||
| Declination | -56 51 06.65 (0.1) | -56 50 10.18 | -56 51 06.65 | -56 50 09.92 (0.03) | ||
| Spectral type | sdB+F | DB | F+sd? | |||
| Effective temperature | [K] | 12265.0 (594) | ||||
| log(g) | [cgs] | 8.13 (0.09) | ||||
| Mass | [M☉] | 0.665 (0.08) | ||||
| log(Luminosity) | [L☉] | |||||
| Cooling age | [Gyr] | |||||
| log(H/He) | ||||||
| log(C/He) | ||||||
| log(Ca/He) | ||||||
| log(Ca/H) | ||||||
| Parallax | [mas] | 3.91 (0.3) | 0.31 (0.06) | 3.91 | 0.29 (0.05) | |
| Distance | [pc] | 255.92 (17) | 3201.02 (621) | 255.93 | 3419.97 (546) | |
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | -2.47 (0.2) | 0.984 (0.09) | 1.051 (0.04) | ||
| Proper motion (declination) | [mas/yr] | -39.947 (0.2) | -2.664 (0.07) | -2.76 (0.03) | ||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | ||||||
| B magnitude | 16.24 (0.05) | |||||
| V magnitude | 16.05 (0.01) | |||||
| R magnitude | 15.97 (0.2) | |||||
| I magnitude | ||||||
| J magnitude | 14.96 (0.05) | 14.96 (0.05) | ||||
| H magnitude | 14.82 (0.06) | 14.82 (0.06) | ||||
| K magnitude | 14.78 (0.1) | 14.78 (0.1) | ||||
| u magnitude | ||||||
| g magnitude | ||||||
| r magnitude | ||||||
| i magnitude | ||||||
| z magnitude | ||||||
| G magnitude | 19.00 (0.004) | 15.79 (0.0006) | 19.00 | 15.78 (0.003) | ||
| BP magnitude | 18.98 (0.02) | 15.94 (0.004) | ||||
| RP magnitude | 19.04 (0.05) | 15.48 (0.002) | ||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| E(B-V) | 0.041 | |||||
* 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.