All names: Gaia DR2 4486825447913771136, 2MASS J17315303+0652336, WD 1729+069, WISE J173153.01+065233.6, Gaia EDR3 4486825447913771136, Gaia DR2 4486825443619892096, SDSS J173153.03+065233.6
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Gaia DR2 | sdss-wdms.org (29/04/2016) | SDSS DR12 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 17 31 53.05 (0.7) | 17 31 53.05 (2) | 17 31 53.04 | 17 31 53.04 | 17 31 53.05 (0.3) | 17 31 52.78 | ||
| Declination | 06 52 33.93 (0.5) | 06 52 33.93 (1) | 06 52 33.67 | 06 52 33.68 | 06 52 33.45 (0.3) | 06 52 28.20 | ||
| Spectral type | WD+M | M1V | WD+M1 | |||||
| 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] | -0.20 (0.5) | 3.05 (0.5) | |||||
| Distance | [pc] | 327.54 (55) | ||||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | -3.284976894 (1) | -35.76 (0.8) | |||||
| Proper motion (declination) | [mas/yr] | -7.602982897 (0.8) | -2.702 (0.8) | |||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | WDMS | yes | ||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | 16.15 (0.1) | |||||||
| H magnitude | 15.30 (0.1) | |||||||
| K magnitude | 15.06 (0.1) | |||||||
| u magnitude | 21.08 | 21.09 (0.1) | 21.09 (0.1) | 21.09 | ||||
| g magnitude | 19.64 | 19.52 (0.01) | 19.52 (0.01) | 19.52 | ||||
| r magnitude | 18.71 | 18.58 (0.009) | 18.58 (0.01) | 18.58 | ||||
| i magnitude | 17.91 | 17.78 (0.007) | 17.80 (0.008) | 17.79 | ||||
| z magnitude | 17.37 | 17.27 (0.01) | 17.27 (0.01) | 17.27 | ||||
| G magnitude | 19.54 | 19.56 | 18.71 (0.01) | |||||
| BP magnitude | ||||||||
| RP magnitude | ||||||||
| Pan g magnitude | 19.49 (0.02) | |||||||
| Pan r magnitude | 18.77 (0.01) | |||||||
| Pan i magnitude | 17.90 (0.005) | |||||||
| Pan z magnitude | 17.47 (0.009) | |||||||
| Pan y magnitude | 17.24 (0.009) |
* 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 (LANL). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.