All names: TIC 122132940, SDSSJ191822.41+371741.2, SDSS J191822.41+371741.2, Gaia EDR3 2051253707437312896, Gaia DR3 2051253398206147200, 2MASS J19182242+3717412, Gaia DR2 2051253398206147200
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 19 18 23.17 (0.7) | 19 18 22.42 | 19 18 22.42 (0.02) | ||
| Declination | 37 19 03.88 (0.7) | 37 17 41.24 | 37 17 41.23 (0.02) | ||
| 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] | 1.58 (0.8) | 0.01 (0.03) | 0.03 (0.02) | |
| Distance | [pc] | 631.91 (321) | 140845.07 (684388) | 31948.88 (19292) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -4.561 (1) | -2.489 (0.06) | -2.411 (0.02) | |
| Proper motion (declination) | [mas/yr] | -10.435 (1) | -4.188 (0.06) | -4.186 (0.02) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | |||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 14.61 (0.03) | 14.61 (0.03) | |||
| H magnitude | 14.72 (0.06) | 14.72 (0.06) | |||
| K magnitude | 14.56 (0.08) | 14.56 (0.08) | |||
| u magnitude | 14.80 (0.004) | 14.80 (0.004) | |||
| g magnitude | 14.37 (0.003) | 14.37 (0.003) | |||
| r magnitude | 14.64 (0.004) | 14.64 (0.004) | |||
| i magnitude | 14.84 (0.004) | 14.84 (0.004) | |||
| z magnitude | 15.03 (0.005) | 15.03 (0.005) | |||
| G magnitude | 20.73 (0.009) | 14.53 (0.0005) | 14.51 (0.003) | ||
| BP magnitude | 20.90 (0.2) | 14.48 (0.003) | |||
| RP magnitude | 20.06 (0.2) | 14.53 (0.002) | |||
| Pan g magnitude | 14.46 (0.002) | ||||
| Pan r magnitude | 14.66 (0.004) | ||||
| Pan i magnitude | 14.89 (0.001) | ||||
| Pan z magnitude | 15.04 (0.003) | ||||
| Pan y magnitude | 15.13 (0.003) | ||||
| E(B-V) | 0.090 | ||||
* 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.