All names: GALEX J105709.9+301336, Gaia EDR3 733307980086566016, TIC 165718070, 2MASS J10570991+3013366, WD 1054+305, LP 317-26, Gaia DR3 733307980086566016, LAMOST J105709.93+301336.3, Gaia DR2 733307980086566016, UCAC4 602-047767, LAMOST J105709.92+301336.2, WISE J105709.94+301336.5, 1SWASP J105709.94+301336.8, UCAC2 42410550, SDSS J105709.93+301336.3, WISEA J105709.93+301336.3
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|
| Right ascension | 10 57 09.93 (0.02) | 10 57 09.93 (0.04) | 10 57 09.93 (0.02) | 10 57 08.57 | |||
| Declination | 30 13 36.18 (0.02) | 30 13 36.19 (0.03) | 30 13 36.54 (0.02) | 30 13 57.00 | |||
| Spectral type | DC | DC | |||||
| 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 (0.03) | 0.52 (0.04) | 0.56 (0.03) | |||
| Distance | [pc] | 1774.48 (85) | 1920.86 (144) | 1774.62 (84) | |||
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | 3.12109472 (0.02) | 3.178 (0.07) | 3.121 (0.03) | |||
| Proper motion (declination) | [mas/yr] | -22.49351176 (0.02) | -22.507 (0.06) | -22.494 (0.02) | |||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | yes | ||||||
| B magnitude | 15.73 (0.04) | ||||||
| V magnitude | 15.12 (0.01) | ||||||
| R magnitude | 15.20 (0.1) | ||||||
| I magnitude | |||||||
| J magnitude | 13.97 (0.02) | ||||||
| H magnitude | 13.61 (0.03) | ||||||
| K magnitude | 13.61 (0.04) | ||||||
| u magnitude | |||||||
| g magnitude | 15.38 (0.01) | ||||||
| r magnitude | 14.98 (0.01) | ||||||
| i magnitude | 14.79 (0.01) | ||||||
| z magnitude | |||||||
| G magnitude | 14.98 (0.003) | 15.00 | 14.98 (0.003) | ||||
| BP magnitude | 15.30 (0.003) | 15.31 | |||||
| RP magnitude | 14.51 (0.002) | 14.52 | |||||
| Pan g magnitude | 15.34 (0.006) | ||||||
| Pan r magnitude | 14.98 (0.003) | ||||||
| Pan i magnitude | 14.86 (0.004) | ||||||
| Pan z magnitude | 14.84 (0.002) | ||||||
| Pan y magnitude | 14.80 (0.005) | ||||||
| E(B-V) | 0.019 | ||||||
* 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.