All names: Gaia EDR3 649326040711334912, WISE J082213.90+121437.5, Gaia DR2 649326040711334912, 2MASS J08221391+1214375, TIC 6893274, SDSS J082213.92+121437.4, WIRED J082213.92+121437.4, SDSS J082213.93+121437.5, WISEA J082213.90+121437.5
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 22 13.90 (0.2) | 08 22 13.92 | 08 22 13.90 (0.3) | 08 22 13.93 | 08 22 13.93 | |||
| Declination | 12 14 37.51 (0.1) | 12 14 37.45 | 12 14 37.51 (0.2) | 12 14 37.45 | 12 14 37.49 | |||
| Spectral type | DA+M | DA+M | ||||||
| Effective temperature | [K] | 6300.0 (2) | ||||||
| log(g) | [cgs] | 5.11 (0.2) | ||||||
| Mass | [M☉] | |||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 2.03 (0.3) | 2.40 (0.4) | |||||
| Distance | [pc] | 491.66 (61) | 417.22 (64) | |||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | -14.49974342 (0.3) | -14.26640214 (0.6) | |||||
| Proper motion (declination) | [mas/yr] | 0.086527465 (0.2) | 0.346761681 (0.4) | |||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | WDMS | |||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | 15.81 (0.06) | |||||||
| H magnitude | 15.01 (0.06) | |||||||
| K magnitude | 14.83 (0.1) | |||||||
| u magnitude | 19.05 (0.02) | 19.05 (0.03) | 19.08 (0.03) | |||||
| g magnitude | 18.71 (0.008) | 18.71 (0.008) | 18.82 (0.02) | |||||
| r magnitude | 18.40 (0.008) | 18.40 (0.008) | 18.61 (0.02) | |||||
| i magnitude | 17.60 (0.007) | 17.60 (0.007) | 17.70 (0.01) | |||||
| z magnitude | 17.02 (0.01) | 17.02 (0.01) | 17.12 (0.02) | |||||
| G magnitude | 18.51 (0.04) | 18.48 | ||||||
| BP magnitude | 18.79 (0.04) | 18.70 | ||||||
| RP magnitude | 17.22 (0.01) | 17.23 | ||||||
| Pan g magnitude | 18.82 (0.01) | |||||||
| Pan r magnitude | 18.55 (0.01) | |||||||
| Pan i magnitude | 17.69 (0.006) | |||||||
| Pan z magnitude | 17.21 (0.005) | |||||||
| Pan y magnitude | 16.97 (0.007) | |||||||
| E(B-V) | 0.026 | |||||||
* 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.