All names: Gaia DR2 2256681615250558592, Gaia EDR3 2256681615250558592, WDJ182126.49+650725.85, SDSS J182126.48+650726.2, SDSS J182126.49+650726.3, Gaia DR3 2256681615250558592, WDJ182126.49+650725.86
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Gaia DR2 | Stilism | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|
| Right ascension | 18 21 26.49 (0.3) | 18 21 26.49 | 18 21 26.49 (0.3) | 18 21 26.49 | |||
| Declination | 65 07 26.85 (0.3) | 65 07 26.82 | 65 07 25.86 (0.3) | 65 07 26.82 | |||
| Spectral type | CND | ||||||
| Effective temperature | [K] | ||||||
| log(g) | [cgs] | ||||||
| Mass | [M☉] | ||||||
| log(Luminosity) | [L☉] | ||||||
| Cooling age | [Gyr] | ||||||
| log(H/He) | |||||||
| log(C/He) | |||||||
| log(Ca/He) | |||||||
| log(Ca/H) | |||||||
| Parallax | [mas] | 11.51 (0.3) | 11.18 (0.4) | 11.51 (0.3) | 11.18 (0.4) | ||
| Distance | [pc] | 86.86 (2) | 89.41 (3) | 86.86 (2) | 89.41 (3) | ||
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | -3.023310517 (0.4) | -3.499609704 (0.7) | -3.023 (0.4) | -3.499609704 | ||
| Proper motion (declination) | [mas/yr] | 61.91810845 (0.4) | 62.13700917 (0.6) | 61.918 (0.4) | 62.13700917 | ||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | |||||||
| B magnitude | |||||||
| V magnitude | |||||||
| R magnitude | |||||||
| I magnitude | |||||||
| J magnitude | |||||||
| H magnitude | |||||||
| K magnitude | |||||||
| u magnitude | 21.90 (0.2) | 21.90 (0.2) | |||||
| g magnitude | 20.37 (0.02) | 20.37 (0.02) | |||||
| r magnitude | 19.53 (0.01) | 19.53 (0.01) | |||||
| i magnitude | 19.25 (0.02) | 19.25 (0.02) | |||||
| z magnitude | 19.05 (0.04) | 19.05 (0.04) | |||||
| G magnitude | 19.59 (0.07) | 19.62 | 19.59 (0.005) | 19.62 | |||
| BP magnitude | 20.19 (0.07) | 19.97 | 19.97 | ||||
| RP magnitude | 18.98 (0.05) | 18.96 | 18.96 | ||||
| Pan g magnitude | 20.22 (0.009) | ||||||
| Pan r magnitude | 19.56 (0.009) | ||||||
| Pan i magnitude | 19.25 (0.01) | ||||||
| Pan z magnitude | 19.16 (0.02) | ||||||
| Pan y magnitude | 19.07 (0.04) | ||||||
| E(B-V) | 0.012 | ||||||
* 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.