All names: Gaia DR2 6639168696791514368, BPS CS 22891-0139, UCAC4 161-213592, BPSCS22891-139, Gaia DR3 6639168696791514368, Gaia EDR3 6639168696791514368, TIC 319565754, GALEX J192336.9-575251, 2MASS J19233698-5752492, EC 19193-5758
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 19 23 36.99 (0.03) | 19 23 36.95 | 19 23 36.98 (0.03) | ||
| Declination | -57 52 49.43 (0.03) | -57 52 49.16 | -57 52 49.31 (0.03) | ||
| Spectral type | sdB | sdB | |||
| Effective temperature | [K] | ||||
| log(g) | [cgs] | ||||
| 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) | 0.56 (0.06) | 0.64 (0.04) | |
| Distance | [pc] | 1571.83 (101) | 1770.85 (187) | 1571.83 (101) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 5.233 (0.04) | 5.215 (0.09) | 5.233 (0.04) | |
| Proper motion (declination) | [mas/yr] | -7.772 (0.03) | -7.729 (0.09) | -7.772 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 15.60 (0.03) | ||||
| V magnitude | 15.66 (0.01) | ||||
| R magnitude | 15.98 (0.06) | ||||
| I magnitude | |||||
| J magnitude | 16.04 (0.1) | 16.04 (0.1) | |||
| H magnitude | 16.72 | ||||
| K magnitude | 16.33 | ||||
| u magnitude | |||||
| g magnitude | 15.56 (0.01) | ||||
| r magnitude | 15.83 (0.01) | ||||
| i magnitude | 15.99 (0.01) | ||||
| z magnitude | |||||
| G magnitude | 15.71 (0.003) | 15.73 (0.0009) | 15.71 (0.003) | ||
| BP magnitude | 15.60 (0.004) | 15.55 (0.01) | |||
| RP magnitude | 15.94 (0.005) | 15.93 (0.005) | |||
| Pan g magnitude | |||||
| Pan r magnitude | |||||
| Pan i magnitude | |||||
| Pan z magnitude | |||||
| Pan y magnitude | |||||
| E(B-V) | 0.046 | ||||
* 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.