All names: SDSS J171633.20+571859.1, GALEX J171633.1+571859, [HHD2009] SDSS J1716+5718, SDSS J171633.21+571859.1, Gaia DR3 1433032227906190848, WD 1715+573, Gaia DR2 1433032227906190848, SDSS J171633.21+571859.2, Gaia EDR3 1433032227906190848
| 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 | 17 16 33.20 (0.2) | 17 16 33.22 | 17 16 33.20 (0.3) | 17 16 33.22 (0.2) | 17 16 32.45 | 17 16 33.21 | |||
| Declination | 57 18 58.48 (0.2) | 57 18 59.15 | 57 18 58.50 (0.4) | 57 18 59.15 (0.2) | 57 18 55.44 | 57 18 59.18 | |||
| Spectral type | DA+K | DA1.4 K | DA+M | ||||||
| Effective temperature | [K] | 6301.0 (4) | |||||||
| log(g) | [cgs] | 8.07 (0.2) | |||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 0.69 (0.2) | 0.54 (0.3) | 0.69 (0.2) | |||||
| Distance | [pc] | 1445.53 (418) | 1844.26 (867) | 1445.50 (419) | |||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -6.940184681 (0.2) | -7.390757495 (0.6) | -6.94 (0.2) | |||||
| Proper motion (declination) | [mas/yr] | -42.13825152 (0.3) | -42.25647059 (0.7) | -42.138 (0.3) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | yes | WDMS | |||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | |||||||||
| H magnitude | |||||||||
| K magnitude | |||||||||
| u magnitude | 19.86 (0.03) | 19.86 (0.03) | 19.85 | 19.85 (0.04) | |||||
| g magnitude | 19.55 (0.01) | 19.55 (0.01) | 19.57 | 19.57 (0.02) | |||||
| r magnitude | 18.96 (0.01) | 18.96 (0.01) | 18.94 | 18.94 (0.03) | |||||
| i magnitude | 18.60 (0.01) | 18.60 (0.01) | 18.59 | 18.60 (0.02) | |||||
| z magnitude | 18.41 (0.03) | 18.41 (0.03) | 18.41 | 18.41 (0.04) | |||||
| G magnitude | 18.95 (0.04) | 18.98 | 18.95 (0.004) | ||||||
| BP magnitude | 19.39 (0.04) | 19.37 | |||||||
| RP magnitude | 18.28 (0.03) | 18.22 | |||||||
| Pan g magnitude | 19.55 (0.008) | ||||||||
| Pan r magnitude | 18.98 (0.007) | ||||||||
| Pan i magnitude | 18.60 (0.005) | ||||||||
| Pan z magnitude | 18.41 (0.02) | ||||||||
| Pan y magnitude | 18.32 (0.02) | ||||||||
| E(B-V) | 0.025 | ||||||||
* 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.