All names: TIC 14635306, [HHD2009] SDSS J0826+1941, Gaia DR3 663725829104251392, SDSS J082609.73+194126.3, SDSS J082609.72+194126.3, SDSS J082609.84+194126.2, 2MASS J08260971+1941264, WD 0823+198, Gaia EDR3 663725829104251392, Gaia DR2 663725829104251392
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 26 09.74 (0.3) | 08 26 09.73 | 08 26 09.74 (0.3) | 08 26 09.72 | 08 26 09.73 (0.3) | 08 26 09.12 | 08 26 09.73 | |||
| Declination | 19 41 26.04 (0.2) | 19 41 26.30 | 19 41 26.05 (0.2) | 19 41 26.30 | 19 41 26.42 (0.2) | 19 41 20.40 | 19 41 26.33 | |||
| Spectral type | DA+M | DA+M | DA d | DA+M | ||||||
| Effective temperature | [K] | 10548.0 (379) | 6309.0 (14) | |||||||
| log(g) | [cgs] | 8.35 (0.4) | 6.94 (0.2) | |||||||
| Mass | [M☉] | 0.83 (0.3) | ||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 1.56 (0.3) | 1.91 (0.4) | 1.56 (0.3) | ||||||
| Distance | [pc] | 641.30 (123) | 524.26 (109) | 738.00 (121) | 641.31 (123) | |||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 3.422562258 (0.3) | 3.407916008 (0.7) | 3.423 (0.3) | ||||||
| Proper motion (declination) | [mas/yr] | -24.19771954 (0.2) | -24.06043208 (0.4) | -24.198 (0.2) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | WDMS | WDMS | ||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | 16.95 (0.1) | |||||||||
| H magnitude | 16.33 (0.2) | |||||||||
| K magnitude | ||||||||||
| u magnitude | 20.32 (0.05) | 20.28 | 20.25 (0.05) | 20.27 | 20.27 (0.05) | |||||
| g magnitude | 19.68 (0.01) | 19.70 | 19.67 (0.01) | 19.69 | 19.70 (0.02) | |||||
| r magnitude | 19.66 (0.02) | 19.65 | 19.61 (0.02) | 19.64 | 19.65 (0.02) | |||||
| i magnitude | 19.07 (0.02) | 19.03 | 19.01 (0.02) | 19.02 | 19.02 (0.02) | |||||
| z magnitude | 18.51 (0.04) | 18.44 | 18.41 (0.03) | 18.44 | 18.43 (0.03) | |||||
| G magnitude | 19.31 (0.04) | 19.34 | 19.31 (0.004) | |||||||
| BP magnitude | 19.77 (0.04) | 19.64 | ||||||||
| RP magnitude | 18.59 (0.03) | 18.55 | ||||||||
| Pan g magnitude | 19.67 (0.008) | |||||||||
| Pan r magnitude | 19.64 (0.01) | |||||||||
| Pan i magnitude | 19.06 (0.01) | |||||||||
| Pan z magnitude | 18.56 (0.007) | |||||||||
| Pan y magnitude | 18.26 (0.02) | |||||||||
| E(B-V) | 0.033 | |||||||||
* 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.