All names: GALEX J191021.2+555228, WISEA J191021.16+555228.3, Gaia EDR3 2141227053178746880, Gaia DR2 2141227053178746880, 2MASS J19102118+5552281, WISE J191021.15+555228.4, UCAC4 730-060480, GALEXJ19103+5552, Gaia DR3 2141227053178746880, TIC 406931389
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 19 10 21.20 (0.03) | 19 10 21.20 | 19 10 21.20 (0.03) | ||
| Declination | 55 52 27.97 (0.03) | 55 52 28.04 | 55 52 28.06 (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] | 0.93 (0.03) | 0.88 (0.04) | 0.93 (0.03) | |
| Distance | [pc] | 1076.43 (35) | 1142.07 (52) | 1076.43 (35) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -0.57 (0.04) | -0.716 (0.08) | -0.57 (0.04) | |
| Proper motion (declination) | [mas/yr] | -5.156 (0.04) | -5.266 (0.08) | -5.156 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 14.90 (0.07) | ||||
| V magnitude | 14.97 (0.07) | ||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 15.65 (0.06) | 15.65 (0.06) | |||
| H magnitude | 15.55 (0.1) | 15.55 (0.1) | |||
| K magnitude | 16.31 | ||||
| u magnitude | |||||
| g magnitude | 14.81 (0.05) | ||||
| r magnitude | 15.19 (0.08) | ||||
| i magnitude | |||||
| z magnitude | |||||
| G magnitude | 14.96 (0.003) | 14.97 (0.0005) | 14.96 (0.003) | ||
| BP magnitude | 14.83 (0.003) | 14.77 (0.007) | |||
| RP magnitude | 15.20 (0.004) | 15.19 (0.002) | |||
| Pan g magnitude | 14.81 (0.004) | ||||
| Pan r magnitude | 15.20 (0.004) | ||||
| Pan i magnitude | 15.55 (0.003) | ||||
| Pan z magnitude | 15.81 (0.004) | ||||
| Pan y magnitude | 15.98 (0.01) | ||||
| E(B-V) | 0.042 | ||||
* 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.