All names: GALEX J195642.9-402756, EC 19533-4035, Gaia DR3 6690275234201495040, BPS CS 22964-0112, BPSCS22964-112, Gaia DR2 6690275234201495040, TIC 300607115, 2MASS J19564298-4027564
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 19 56 42.97 | 19 56 42.99 (0.03) | ||
| Declination | -40 27 56.46 | -40 27 56.45 (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] | 0.67 (0.09) | 0.85 (0.05) | |
| Distance | [pc] | 1502.86 (198) | 1171.23 (64) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 0.088 (0.1) | -0.05 (0.04) | |
| Proper motion (declination) | [mas/yr] | -2.292 (0.08) | -2.346 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.12 | |||
| V magnitude | 15.40 | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 15.92 (0.07) | 15.92 (0.07) | ||
| H magnitude | 15.97 (0.2) | 15.97 (0.2) | ||
| K magnitude | 16.53 | |||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 15.38 (0.001) | 15.35 (0.003) | ||
| BP magnitude | 15.17 (0.01) | |||
| RP magnitude | 15.60 (0.005) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.043 | |||
* 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.