All names: SDSS J020659.20+214654.1, TIC 306346939, WD 0204+215, SDSS J020659.20+214654.0, SDSS J020659.21+214654.1, Gaia EDR3 100503407253058560, WISEA J020659.19+214654.5, Gaia DR2 100503407253058560, WISE J020659.18+214654.5, 2MASS J02065916+2146541
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 02 06 59.20 (0.3) | 02 06 59.21 | 02 06 59.20 (0.3) | 02 06 59.21 | 02 06 58.58 | 02 06 59.20 | |||
| Declination | 21 46 54.59 (0.3) | 21 46 54.12 | 21 46 54.59 (0.3) | 21 46 54.12 | 21 46 51.60 | 21 46 54.09 | |||
| Spectral type | DA+dM | DA d | DA+M | ||||||
| Effective temperature | [K] | 6311.0 (17) | |||||||
| log(g) | [cgs] | 5.01 (0.01) | |||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 2.58 (0.3) | 2.86 (0.3) | ||||||
| Distance | [pc] | 388.25 (48) | 349.34 (42) | ||||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | 15.14289226 (0.4) | 15.79604838 (0.7) | ||||||
| Proper motion (declination) | [mas/yr] | 7.786323101 (0.3) | 7.9164213 (0.5) | ||||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | WDMS | ||||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 16.20 (0.08) | ||||||||
| H magnitude | 15.64 (0.1) | ||||||||
| K magnitude | 15.68 (0.2) | ||||||||
| u magnitude | 20.19 (0.05) | 20.19 (0.05) | 20.61 | 20.27 (0.05) | |||||
| g magnitude | 19.41 (0.01) | 19.41 (0.01) | 19.83 | 19.51 (0.02) | |||||
| r magnitude | 18.91 (0.01) | 18.91 (0.01) | 19.30 | 19.13 (0.02) | |||||
| i magnitude | 18.06 (0.008) | 18.06 (0.008) | 18.45 | 18.22 (0.01) | |||||
| z magnitude | 17.40 (0.01) | 17.40 (0.01) | 17.83 | 17.51 (0.02) | |||||
| G magnitude | 19.05 (0.07) | 19.08 | |||||||
| BP magnitude | 19.43 (0.07) | 19.27 | |||||||
| RP magnitude | 17.70 (0.02) | 17.68 | |||||||
| Pan g magnitude | 19.46 (0.007) | ||||||||
| Pan r magnitude | 19.05 (0.01) | ||||||||
| Pan i magnitude | 18.20 (0.01) | ||||||||
| Pan z magnitude | 17.66 (0.02) | ||||||||
| Pan y magnitude | 17.40 (0.01) | ||||||||
| E(B-V) | 0.081 | ||||||||
* 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.