All names: 2MASS J19343993+4758117, TIC 270695353, Gaia DR2 2128836553569442816, KeplerJ19346+4758, LAMOST J193439.93+475811.7, KIC 10670103, EQ J1934.6+4758, Gaia DR3 2128836553569442816
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 19 34 39.90 | 19 34 39.94 (0.04) | ||
| Declination | 47 58 12.00 | 47 58 11.53 (0.04) | ||
| Spectral type | sdBV | sdB | ||
| Effective temperature | [K] | 23429.0 (313) | ||
| log(g) | [cgs] | 5.48 (0.05) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.37 (0.05) | 0.40 (0.04) | |
| Distance | [pc] | 2727.77 (403) | 2483.85 (248) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -3.594 (0.1) | -3.566 (0.05) | |
| Proper motion (declination) | [mas/yr] | -3.777 (0.09) | -3.649 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 16.77 (0.2) | 16.77 (0.1) | ||
| H magnitude | 16.50 | 16.50 | ||
| K magnitude | 16.03 | 16.03 | ||
| u magnitude | ||||
| g magnitude | 16.28 | |||
| r magnitude | ||||
| i magnitude | 16.90 | |||
| z magnitude | ||||
| G magnitude | 16.38 (0.001) | 16.35 (0.003) | ||
| BP magnitude | 16.23 (0.009) | |||
| RP magnitude | 16.51 (0.009) | |||
| Pan g magnitude | 16.22 (0.003) | |||
| Pan r magnitude | 16.55 (0.003) | |||
| Pan i magnitude | 16.85 (0.003) | |||
| Pan z magnitude | 17.11 (0.006) | |||
| Pan y magnitude | 17.23 (0.01) | |||
| E(B-V) | 0.051 | |||
* 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.