All names: GALEX J085634.9+373913, Gaia DR2 718736285627371008, Gaia DR3 718736285627371008, TIC 188504056, Gaia EDR3 718736285627371008, SDSS J085634.83+373913.5, LAMOST J085634.83+373913.4, 2MASS J08563484+3739134, WIRED J085634.83+373913.4
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 56 34.81 (0.1) | 08 56 34.84 | 08 56 34.81 (0.2) | 08 56 34.84 (0.1) | 08 56 34.83 | |||
| Declination | 37 39 12.92 (0.1) | 37 39 13.51 | 37 39 12.94 (0.1) | 37 39 13.57 (0.1) | 37 39 13.47 | |||
| Spectral type | DA+M | DA+M | ||||||
| Effective temperature | [K] | 6300.0 (4) | ||||||
| log(g) | [cgs] | 5.00 (0.01) | ||||||
| Mass | [M☉] | |||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 3.14 (0.2) | 3.54 (0.3) | 3.14 (0.2) | ||||
| Distance | [pc] | 318.81 (21) | 282.11 (23) | 318.82 (21) | ||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | -24.72661085 (0.2) | -24.55762039 (0.4) | -24.727 (0.2) | ||||
| Proper motion (declination) | [mas/yr] | -40.31635704 (0.2) | -40.30352544 (0.3) | -40.316 (0.2) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | WDMS | |||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | 15.99 (0.08) | |||||||
| H magnitude | 15.53 (0.1) | |||||||
| K magnitude | 15.13 (0.1) | |||||||
| u magnitude | 20.16 (0.04) | 19.97 (0.04) | 19.93 (0.04) | |||||
| g magnitude | 19.56 (0.01) | 19.44 (0.01) | 19.44 (0.03) | |||||
| r magnitude | 19.04 (0.01) | 19.02 (0.01) | 19.02 (0.02) | |||||
| i magnitude | 18.10 (0.009) | 18.09 (0.009) | 18.10 (0.02) | |||||
| z magnitude | 17.47 (0.01) | 17.39 (0.01) | 17.39 (0.02) | |||||
| G magnitude | 18.57 (0.03) | 18.60 | 18.57 (0.003) | |||||
| BP magnitude | 19.37 (0.03) | 19.35 | ||||||
| RP magnitude | 17.60 (0.01) | 17.59 | ||||||
| Pan g magnitude | 19.41 (0.01) | |||||||
| Pan r magnitude | 19.03 (0.007) | |||||||
| Pan i magnitude | 18.09 (0.004) | |||||||
| Pan z magnitude | 17.51 (0.004) | |||||||
| Pan y magnitude | 17.22 (0.006) | |||||||
| E(B-V) | 0.020 | |||||||
* 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.