All names: Gaia DR3 6641804191803636992, Gaia DR2 6641804191803636992, GALEX J193721.1-544011, 2MASS J19372105-5440116, EC 19333-5446, TIC 261380566, UCAC4 177-215501, Gaia DR2 6641804191801924224, EC19333-5446
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 19 37 20.90 | 19 37 21.06 (0.03) | ||
| Declination | -54 40 11.86 | -54 40 11.60 (0.02) | ||
| Spectral type | sdB+F | sdB+F | ||
| 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] | 1.21 (0.6) | 0.35 (0.04) | |
| Distance | [pc] | 828.71 (402) | 2822.47 (281) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 1.2 (0.6) | -0.099 (0.03) | |
| Proper motion (declination) | [mas/yr] | -8.926 (0.5) | -0.768 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.59 (0.1) | |||
| V magnitude | 15.49 (0.08) | |||
| R magnitude | 15.31 (0.1) | |||
| I magnitude | ||||
| J magnitude | 14.75 (0.04) | 14.75 (0.04) | ||
| H magnitude | 14.56 (0.06) | 14.56 (0.06) | ||
| K magnitude | 14.60 (0.1) | 14.60 (0.1) | ||
| u magnitude | ||||
| g magnitude | 15.41 (0.07) | |||
| r magnitude | 15.43 (0.09) | |||
| i magnitude | 15.56 (0.01) | |||
| z magnitude | ||||
| G magnitude | 19.49 (0.009) | 15.30 (0.003) | ||
| BP magnitude | ||||
| RP magnitude | ||||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.040 | |||
* 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.