All names: Gaia DR2 224347861524800384, GALEX J033731.0+381811, Gaia EDR3 224347861524800384, Gaia DR3 224347861524800384, UCAC4 642-015070, TIC 200874077, 2MASS J03373103+3818135, SDSS J033731.04+381812.6, LAMOST J033731.08+381813.5
| Parameter | Unit | Gaia EDR3 | Stilism | Vincent et al. 2024 | Simbad |
|---|---|---|---|---|---|
| Right ascension | 03 37 31.06 (0.04) | 03 37 31.06 | 03 37 31.04 (0.04) | ||
| Declination | 38 18 12.69 (0.03) | 38 18 12.69 | 38 18 12.69 (0.03) | ||
| Spectral type | DB | DB | |||
| Effective temperature | [K] | 19838.0 (389) | |||
| log(g) | [cgs] | 8.01 (0.02) | |||
| Mass | [M☉] | 0.604 (0.01) | |||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 8.95 (0.05) | 8.95 | 8.95 (0.05) | |
| Distance | [pc] | 111.79 (0.6) | 111.79 | 111.79 (0.6) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 10.445 (0.06) | 10.445 (0.06) | ||
| Proper motion (declination) | [mas/yr] | 0.426 (0.04) | 0.426 (0.04) | ||
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 15.77 (0.07) | ||||
| V magnitude | 15.83 (0.09) | ||||
| R magnitude | 16.07 (0.1) | ||||
| I magnitude | |||||
| J magnitude | 16.44 (0.1) | ||||
| H magnitude | |||||
| K magnitude | 16.06 (0.3) | ||||
| u magnitude | 15.60 (0.005) | ||||
| g magnitude | 15.74 (0.004) | ||||
| r magnitude | 16.09 (0.005) | ||||
| i magnitude | 16.38 (0.006) | ||||
| z magnitude | 16.68 (0.01) | ||||
| G magnitude | 15.92 (0.003) | 15.92 | 15.92 (0.003) | ||
| BP magnitude | 15.83 (0.005) | ||||
| RP magnitude | 16.09 (0.005) | ||||
| Pan g magnitude | |||||
| Pan r magnitude | |||||
| Pan i magnitude | |||||
| Pan z magnitude | |||||
| Pan y magnitude | |||||
| E(B-V) | 0.018 | ||||
* 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.