All names: SDSS J173244.55+315700.41, Gaia DR3 4601594116593071104, Gaia DR2 4601594116593071104, SDSS J173244.54+315700.4, SDSS J173244.55+315700.4, Gaia EDR3 4601594116593071104, GALEX J173244.5+315700
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | SDSS DR10 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Kepler et al. 2015 | Simbad |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 17 32 44.54 (0.2) | 17 32 44.55 | 17 32 44.55 | 17 32 44.54 (0.3) | 17 32 44.55 | 17 32 44.55 (0.2) | ||||
| Declination | 31 57 00.48 (0.3) | 31 57 00.41 | 31 57 00.41 | 31 57 00.48 (0.4) | 31 57 00.41 | 31 57 00.35 (0.3) | ||||
| Spectral type | WD+MS | DA+M5 | DA+dM | |||||||
| Effective temperature | [K] | 13127.0 (670) | 12614.0 (1456) | |||||||
| log(g) | [cgs] | 7.32 (0.1) | 7.48 (0.3) | |||||||
| Mass | [M☉] | 0.31 (0.04) | 0.3929999999999999 (0.1) | |||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 1.57 (0.3) | 1.36 (0.4) | 1.57 (0.3) | ||||||
| Distance | [pc] | 638.48 (120) | 733.87 (206) | 707.00 (72) | 638.49 (120) | |||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -7.122433329 (0.3) | -7.637164289 (0.6) | -7.122 (0.3) | ||||||
| Proper motion (declination) | [mas/yr] | 8.035165288 (0.3) | 7.298467547 (0.9) | 8.035 (0.3) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | WDMS | |||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 20.52 (0.06) | 20.52 (0.06) | 20.56 | 20.52 (0.06) | 20.52 (0.06) | |||||
| g magnitude | 19.84 (0.01) | 19.84 (0.01) | 19.85 | 19.84 (0.01) | 19.84 (0.01) | |||||
| r magnitude | 19.91 (0.02) | 19.91 (0.02) | 19.93 | 19.91 (0.02) | 19.91 (0.02) | |||||
| i magnitude | 19.62 (0.02) | 19.62 (0.02) | 19.63 | 19.62 (0.02) | 19.62 (0.02) | |||||
| z magnitude | 18.95 (0.04) | 18.95 (0.04) | 18.95 | 18.95 (0.04) | 18.95 (0.04) | |||||
| G magnitude | 19.62 (0.08) | 19.65 | 19.62 (0.004) | |||||||
| BP magnitude | 19.81 (0.08) | 19.87 | ||||||||
| RP magnitude | 19.16 (0.04) | 19.10 | ||||||||
| Pan g magnitude | 19.77 (0.02) | |||||||||
| Pan r magnitude | 19.87 (0.02) | |||||||||
| Pan i magnitude | 19.57 (0.009) | |||||||||
| Pan z magnitude | 19.18 (0.02) | |||||||||
| Pan y magnitude | 18.83 (0.03) | |||||||||
| E(B-V) | 0.029 | |||||||||
* 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.