All names: WISE J094340.69+531534.2, SDSS J094340.70+531534.2, TIC 453425185, WISEA J094340.69+531534.0, USNO-B1.0 1432-00238585, Gaia DR3 1020514397379972864, Gaia DR2 1020514397379972864, Gaia EDR3 1020514397379972864, WD 0940+534, 2MASS J09434070+5315343, SBSS 0940+534
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|
| Right ascension | 09 43 40.69 (0.06) | 09 43 40.69 (0.07) | 09 43 40.71 (0.06) | 09 43 40.66 | |||
| Declination | 53 15 34.01 (0.04) | 53 15 34.02 (0.07) | 53 15 34.28 (0.04) | 53 15 32.40 | |||
| Spectral type | DA | DA | |||||
| 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] | 0.56 (0.08) | 0.64 (0.1) | 0.56 (0.08) | |||
| Distance | [pc] | 1771.05 (244) | 1574.31 (267) | 1771.17 (244) | |||
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | -8.025824503 (0.07) | -7.67 (0.2) | -8.026 (0.07) | |||
| Proper motion (declination) | [mas/yr] | -16.61857773 (0.07) | -16.464 (0.2) | -16.619 (0.07) | |||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | |||||||
| B magnitude | 18.10 | ||||||
| V magnitude | |||||||
| R magnitude | 17.20 | ||||||
| I magnitude | |||||||
| J magnitude | 16.05 (0.1) | ||||||
| H magnitude | 15.24 (0.1) | ||||||
| K magnitude | 15.00 (0.1) | ||||||
| u magnitude | 20.08 (0.05) | ||||||
| g magnitude | 18.17 (0.006) | ||||||
| r magnitude | 17.36 (0.005) | ||||||
| i magnitude | 17.05 (0.005) | ||||||
| z magnitude | 16.86 (0.01) | ||||||
| G magnitude | 17.39 (0.007) | 17.40 | 17.39 (0.003) | ||||
| BP magnitude | 17.93 (0.007) | 17.95 | |||||
| RP magnitude | 16.69 (0.004) | 16.70 | |||||
| Pan g magnitude | 18.06 (0.009) | ||||||
| Pan r magnitude | 17.35 (0.004) | ||||||
| Pan i magnitude | 17.07 (0.004) | ||||||
| Pan z magnitude | 16.93 (0.007) | ||||||
| Pan y magnitude | 16.84 (0.005) | ||||||
| E(B-V) | 0.023 | ||||||
* 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.