All names: [SGR2010] J1731+0703, WIRED J173104.52+070345.0, Gaia DR2 4487036863385576704, SDSS J173104.53+070345.0, SDSS J173104.52+070345.0, TIC 302644825, LAMOST J173104.52+070345.0, GALEX J173104.5+070345, WD 1728+070, SDSS J173104.52+070344.9, Gaia DR3 4487036863386790656, 2MASS J17310453+0703450
| Parameter | Unit | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|
| Right ascension | 17 31 04.53 | 17 31 04.53 (0.9) | 17 31 04.53 (0.4) | 17 31 04.56 | 17 31 04.53 | ||
| Declination | 07 03 45.01 | 07 03 45.19 (1) | 07 03 45.02 (0.4) | 07 03 42.48 | 07 03 45.03 | ||
| Spectral type | DA+M4 | DA3.5+M4 | DA+M | ||||
| 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] | 0.24 (0.6) | |||||
| Distance | [pc] | 4173.62 (11194) | |||||
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | 7.341 (0.5) | |||||
| Proper motion (declination) | [mas/yr] | 10.91 (0.5) | |||||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | yes | WDMS | |||||
| B magnitude | |||||||
| V magnitude | |||||||
| R magnitude | |||||||
| I magnitude | |||||||
| J magnitude | 14.41 (0.03) | ||||||
| H magnitude | 13.77 (0.04) | ||||||
| K magnitude | 13.61 (0.04) | ||||||
| u magnitude | 18.23 (0.02) | 18.23 (0.01) | 18.25 | 18.26 (0.02) | |||
| g magnitude | 17.74 (0.005) | 17.74 (0.005) | 17.74 | 17.74 (0.01) | |||
| r magnitude | 17.39 (0.005) | 17.38 (0.005) | 17.38 | 17.38 (0.01) | |||
| i magnitude | 16.50 (0.004) | 16.50 (0.004) | 16.50 | 16.48 (0.02) | |||
| z magnitude | 15.84 (0.006) | 15.84 (0.006) | 15.84 | 15.84 (0.02) | |||
| G magnitude | 17.01 | 17.31 (0.01) | |||||
| BP magnitude | 17.69 | ||||||
| RP magnitude | 16.05 | ||||||
| Pan g magnitude | 17.71 (0.005) | ||||||
| Pan r magnitude | 17.43 (0.003) | ||||||
| Pan i magnitude | 16.53 (0.006) | ||||||
| Pan z magnitude | 15.97 (0.003) | ||||||
| Pan y magnitude | 15.69 (0.008) | ||||||
| E(B-V) | |||||||
* 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.