All names: SDSS J205923.08-065208.3, TIC 205785979, SDSS J205923.08-065208.2, Gaia DR2 6910231946927487104, SDSS J205923.07-065208.3, Gaia DR3 6910231946927487104, Gaia EDR3 6910231946927487104, WD 2056-070, 2MASS J20592308-0652081, WISE J205923.05-065208.4, WISEA J205923.06-065208.6
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 20 59 23.04 (0.05) | 20 59 23.08 | 20 59 23.04 (0.07) | 20 59 23.08 | 20 59 23.08 (0.05) | 20 59 23.08 | 20 59 22.61 | 20 59 23.08 | |||
| Declination | -06 52 08.96 (0.04) | -06 52 08.29 | -06 52 08.94 (0.06) | -06 52 08.29 | -06 52 08.25 (0.04) | -06 52 08.34 | -06 52 05.16 | -06 52 08.32 | |||
| Spectral type | DA+K | K5 | DA+M | DA+M | DA:M | ||||||
| Effective temperature | [K] | 62828.0 (3233) | 6300.0 (1) | 6300.0 (3) | |||||||
| log(g) | [cgs] | 6.38 (0.2) | 8.80 (0.08) | 10.00 (0.003) | |||||||
| Mass | [M☉] | 0.25 (0.04) | |||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | ||||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 1.41 (0.06) | 1.10 (0.09) | 1.41 (0.06) | |||||||
| Distance | [pc] | 706.77 (31) | 912.06 (72) | 376.00 (16) | 706.76 (31) | ||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -40.38724337 (0.07) | -39.80424747 (0.1) | -40.387 (0.07) | -40.1 | ||||||
| Proper motion (declination) | [mas/yr] | -44.85375655 (0.05) | -44.74529811 (0.09) | -44.854 (0.06) | -46.3 | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | WDMS | WDMS | yes | ||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | 15.01 (0.04) | ||||||||||
| H magnitude | 14.46 (0.04) | ||||||||||
| K magnitude | 14.22 (0.06) | ||||||||||
| u magnitude | 17.17 (0.009) | 17.36 | 17.17 (0.009) | 17.36 (0.02) | 17.28 | 17.32 (0.02) | |||||
| g magnitude | 17.14 (0.005) | 17.17 | 17.14 (0.005) | 17.17 (0.01) | 17.14 | 17.13 (0.01) | |||||
| r magnitude | 16.70 (0.005) | 16.80 | 16.70 (0.005) | 16.80 (0.01) | 16.74 | 16.77 (0.01) | |||||
| i magnitude | 16.44 (0.006) | 16.46 | 16.44 (0.006) | 16.46 (0.01) | 16.46 | 16.42 (0.01) | |||||
| z magnitude | 16.22 (0.009) | 16.41 | 16.22 (0.009) | 16.41 (0.02) | 16.32 | 16.37 (0.02) | |||||
| G magnitude | 16.67 (0.005) | 16.68 | 16.67 (0.003) | ||||||||
| BP magnitude | 16.99 (0.005) | 16.95 | |||||||||
| RP magnitude | 16.08 (0.007) | 16.10 | |||||||||
| Pan g magnitude | 17.07 (0.003) | ||||||||||
| Pan r magnitude | 16.74 (0.005) | ||||||||||
| Pan i magnitude | 16.46 (0.003) | ||||||||||
| Pan z magnitude | 16.30 (0.005) | ||||||||||
| Pan y magnitude | 16.18 (0.005) | ||||||||||
| E(B-V) | 0.037 | ||||||||||
* 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.