All names: WIRED J170106.10+342533.5, SDSS J170106.10+342533.5, WD 1659+344, TIC 21625788, Gaia EDR3 1337959832571786624, [HHD2009] SDSS J1701+3425, 2MASS J17010610+3425336, SDSS J170106.10+342533.4, Gaia DR2 1337959832571786624, Gaia DR3 1337959832571786624
| 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 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 17 01 06.09 (0.2) | 17 01 06.10 | 17 01 06.09 (0.2) | 17 01 06.10 | 17 01 06.11 (0.2) | 17 01 06.11 | 17 01 05.47 | 17 01 06.10 | ||||
| Declination | 34 25 32.88 (0.2) | 34 25 33.51 | 34 25 32.90 (0.2) | 34 25 33.49 | 34 25 33.62 (0.2) | 34 25 33.53 | 34 25 29.64 | 34 25 33.51 | ||||
| Spectral type | DA+M | DA+M | DA:+M | DA: d | DA+M | DA+MS | ||||||
| Effective temperature | [K] | 7131.0 (412) | 6301.0 (3) | 6301.0 (3) | ||||||||
| log(g) | [cgs] | 5.00 (1) | 7.05 (0.2) | 7.09 (0.3) | ||||||||
| Mass | [M☉] | 0.0 (0.3) | ||||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | |||||||||||
| log(H/He) | ||||||||||||
| log(C/He) | ||||||||||||
| log(Ca/He) | ||||||||||||
| log(Ca/H) | ||||||||||||
| Parallax | [mas] | 4.22 (0.2) | 4.37 (0.2) | 4.22 (0.2) | ||||||||
| Distance | [pc] | 236.86 (11) | 228.74 (13) | 702.00 (192) | 236.86 (11) | |||||||
| Composition | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -13.43269268 (0.2) | -13.32967549 (0.4) | -13.433 (0.2) | -13.4 | |||||||
| Proper motion (declination) | [mas/yr] | -46.41809939 (0.2) | -45.50119598 (0.5) | -46.418 (0.2) | -48.0 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | WDMS | WDMS | WDMS | WDMS | ||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | 16.59 (0.1) | |||||||||||
| H magnitude | 16.21 (0.2) | |||||||||||
| K magnitude | 15.75 (0.2) | |||||||||||
| u magnitude | 20.25 (0.05) | 20.23 | 20.20 (0.05) | 20.23 (0.05) | 20.23 | 20.20 (0.05) | ||||||
| g magnitude | 19.89 (0.02) | 19.92 | 19.89 (0.02) | 19.92 (0.02) | 19.92 | 19.90 (0.02) | ||||||
| r magnitude | 19.69 (0.02) | 19.72 | 19.69 (0.02) | 19.72 (0.02) | 19.72 | 19.72 (0.02) | ||||||
| i magnitude | 19.13 (0.02) | 19.15 | 19.13 (0.01) | 19.15 (0.02) | 19.15 | 19.14 (0.02) | ||||||
| z magnitude | 18.34 (0.03) | 18.35 | 18.34 (0.03) | 18.35 (0.03) | 18.35 | 18.34 (0.03) | ||||||
| G magnitude | 19.40 (0.05) | 19.43 | 19.40 (0.004) | |||||||||
| BP magnitude | 20.01 (0.05) | 19.97 | ||||||||||
| RP magnitude | 18.61 (0.03) | 18.59 | ||||||||||
| Pan g magnitude | 19.89 (0.009) | |||||||||||
| Pan r magnitude | 19.72 (0.01) | |||||||||||
| Pan i magnitude | 19.16 (0.006) | |||||||||||
| Pan z magnitude | 18.51 (0.008) | |||||||||||
| Pan y magnitude | 18.09 (0.02) | |||||||||||
| E(B-V) | 0.019 | |||||||||||
* 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.