All names: GD 543, 2MASS J20104287+6225321, Gaia DR3 2243943635605220736, LSPM J2010+6225, LP 106-17, WD 2009+622, Gaia DR2 2243943635605220736, USNO-B1.0 1524-00327818, Gaia EDR3 2243943635605220736, WD 2009+62, TIC 236865474, EGGR 332
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 20 10 42.78 (0.02) | 20 10 42.78 (0.04) | 20 10 42.78 | 20 10 42.88 (0.02) | 20 10 44.33 | |||
| Declination | 62 25 29.71 (0.02) | 62 25 29.79 (0.04) | 62 25 29.71 | 62 25 32.15 (0.02) | 62 25 41.88 | |||
| Spectral type | DA | DA | DA1.9 | DA2 | ||||
| Effective temperature | [K] | 26520.0 (415) | 18872.0 (209) | |||||
| log(g) | [cgs] | 7.76 (0.05) | 7.25 (0.01) | |||||
| Mass | [M☉] | 0.52 (0.02) | 0.316 (0.004) | |||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| log(C/H) | ||||||||
| log(N/H) | ||||||||
| log(O/H) | ||||||||
| log(Na/H) | ||||||||
| log(Mg/H) | ||||||||
| log(Al/H) | ||||||||
| log(Si/H) | ||||||||
| log(P/H) | ||||||||
| log(S/H) | ||||||||
| log(Sc/H) | ||||||||
| log(Ti/H) | ||||||||
| log(Cr/H) | ||||||||
| log(Mn/H) | ||||||||
| log(Fe/H) | ||||||||
| log(Ni/H) | ||||||||
| Parallax | [mas] | 8.77 (0.02) | 8.77 (0.03) | 8.77 | 8.77 (0.02) | |||
| Distance | [pc] | 113.97 (0.3) | 114.03 (0.5) | 133.00 | 113.97 | 113.97 (0.3) | ||
| Composition | H | |||||||
| Proper motion (right ascension) | [mas/yr] | -42.85627737 (0.03) | -42.66319415 (0.09) | -42.856 (0.03) | ||||
| Proper motion (declination) | [mas/yr] | -152.3769373 (0.03) | -152.4116437 (0.07) | -152.377 (0.03) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | yes | |||||||
| B magnitude | 15.00 | |||||||
| V magnitude | ||||||||
| R magnitude | 15.70 | |||||||
| I magnitude | ||||||||
| J magnitude | 14.28 (0.03) | |||||||
| H magnitude | 13.91 (0.03) | |||||||
| K magnitude | 13.58 (0.05) | |||||||
| u magnitude | ||||||||
| g magnitude | ||||||||
| r magnitude | ||||||||
| i magnitude | ||||||||
| z magnitude | ||||||||
| G magnitude | 15.13 (0.002) | 15.15 | 15.13 | 15.13 (0.003) | ||||
| BP magnitude | 15.10 (0.002) | 15.05 | ||||||
| RP magnitude | 15.09 (0.002) | 15.09 | ||||||
| Pan g magnitude | ||||||||
| Pan r magnitude | ||||||||
| Pan i magnitude | ||||||||
| Pan z magnitude | ||||||||
| Pan y magnitude | ||||||||
| E(B-V) | 0.009 | |||||||
* 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.