All names: TIC 313787850, Gaia DR2 4224383120559377280, 2MASS J20372760-0436502, Gaia DR3 4224383120559377280, GALEX J203727.6-043650, SDSS J203727.60-043650.1, SDSSJ203727.60-043650.1
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 20 37 27.60 | 20 37 27.61 (0.05) | ||
| Declination | -04 36 50.17 | -04 36 50.21 (0.03) | ||
| Spectral type | sd | 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] | 0.29 (0.08) | 0.32 (0.06) | |
| Distance | [pc] | 3462.60 (1014) | 3148.61 (624) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -5.626 (0.2) | -6.102 (0.07) | |
| Proper motion (declination) | [mas/yr] | -5.987 (0.1) | -5.83 (0.06) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 16.74 (0.2) | 16.74 (0.2) | ||
| H magnitude | 16.11 (0.2) | 16.11 (0.2) | ||
| K magnitude | 15.86 | |||
| u magnitude | 16.31 (0.006) | 16.30 (0.006) | ||
| g magnitude | 16.57 (0.004) | 16.64 (0.004) | ||
| r magnitude | 16.94 (0.005) | 16.93 (0.005) | ||
| i magnitude | 17.14 (0.006) | 17.12 (0.006) | ||
| z magnitude | 17.23 (0.01) | 17.21 (0.01) | ||
| G magnitude | 16.74 (0.001) | 16.72 (0.003) | ||
| BP magnitude | 16.56 (0.009) | |||
| RP magnitude | 16.82 (0.01) | |||
| Pan g magnitude | 16.60 (0.003) | |||
| Pan r magnitude | 16.92 (0.003) | |||
| Pan i magnitude | 17.12 (0.004) | |||
| Pan z magnitude | 17.26 (0.005) | |||
| Pan y magnitude | 17.31 (0.01) | |||
| E(B-V) | 0.052 | |||
* 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.