All names: Gaia DR3 3385660773126433536, GALEX J063855.9+263021, LAMOST J063856.01+263022.5, 2MASS J06385601+2630226, Gaia DR2 3385660773126433536, SDSS J063856.01+263022.4, TIC 284242722
| Parameter | Unit | Stilism | Guo et al. 2015 | Simbad |
|---|---|---|---|---|
| Right ascension | 06 38 56.01 (0.02) | |||
| Declination | 26 30 22.58 (0.02) | |||
| Spectral type | DA? | DA1 | ||
| Effective temperature | [K] | 45398.0 (1224) | ||
| log(g) | [cgs] | 7.50 (0.09) | ||
| Mass | [M☉] | 0.48 (0.03) | ||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.87 (0.03) | ||
| Distance | [pc] | 1148.77 (33) | ||
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 0.108 (0.03) | ||
| Proper motion (declination) | [mas/yr] | -11.549 (0.02) | ||
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 13.30 (0.02) | |||
| H magnitude | 13.00 (0.04) | |||
| K magnitude | 12.92 (0.03) | |||
| u magnitude | 16.24 (0.006) | |||
| g magnitude | 14.88 (0.003) | |||
| r magnitude | 14.39 (0.003) | |||
| i magnitude | 14.23 (0.003) | |||
| z magnitude | 14.17 (0.004) | |||
| G magnitude | 14.43 (0.003) | |||
| BP magnitude | ||||
| RP magnitude | ||||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.097 | |||
* 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.