All names: GALEX J105657.3+330416, WIRED J105657.35+330416.2, 2MASS J10565735+3304161, TIC 165717615, LAMOST J105657.35+330416.2, SDSS J105657.36+330416.3, Gaia DR2 737251924000574208, Gaia EDR3 737251924000574208, WD 1054+333, SDSS J105657.35+330416.2, Gaia DR3 737251924000574208, [HHD2009] SDSS J1056+3304, SDSS J105657.36+330416.2
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Guo et al. 2015 | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 10 56 57.35 (0.2) | 10 56 57.36 | 10 56 57.35 (0.3) | 10 56 57.35 | 10 56 57.35 (0.2) | 10 56 56.88 | 10 56 57.36 | |||||
| Declination | 33 04 16.14 (0.2) | 33 04 16.21 | 33 04 16.14 (0.5) | 33 04 16.21 | 33 04 16.20 (0.2) | 33 04 09.12 | 33 04 16.24 | |||||
| Spectral type | DA+M | DA+M | DA+M | DA dM | DA+M | DA | ||||||
| Effective temperature | [K] | 20804.0 (506) | 8797.0 (51) | |||||||||
| log(g) | [cgs] | 8.04 (0.09) | 8.13 (0.07) | |||||||||
| Mass | [M☉] | 0.65 (0.06) | ||||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | |||||||||||
| log(H/He) | ||||||||||||
| log(C/He) | ||||||||||||
| log(Ca/He) | ||||||||||||
| log(Ca/H) | ||||||||||||
| Parallax | [mas] | 2.77 (0.2) | 2.77 (0.2) | |||||||||
| Distance | [pc] | 360.77 (24) | 504.00 (38) | 360.76 (24) | ||||||||
| Composition | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -4.437331071 (0.2) | -4.437 (0.2) | |||||||||
| Proper motion (declination) | [mas/yr] | -3.869658285 (0.2) | -3.87 (0.2) | |||||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | WDMS | WDMS | ||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | 16.23 (0.1) | |||||||||||
| H magnitude | 15.73 (0.1) | |||||||||||
| K magnitude | 15.58 (0.2) | |||||||||||
| u magnitude | 18.66 (0.02) | 18.63 | 18.66 (0.02) | 18.63 | 18.67 (0.03) | |||||||
| g magnitude | 18.53 (0.007) | 18.51 | 18.53 (0.007) | 18.51 | 18.55 (0.01) | |||||||
| r magnitude | 18.65 (0.009) | 18.64 | 18.66 (0.009) | 18.64 | 18.66 (0.02) | |||||||
| i magnitude | 18.15 (0.008) | 18.15 | 18.15 (0.008) | 18.15 | 18.16 (0.02) | |||||||
| z magnitude | 17.57 (0.02) | 17.55 | 17.57 (0.02) | 17.55 | 17.58 (0.02) | |||||||
| G magnitude | 18.31 (0.02) | 18.33 | 18.31 (0.003) | |||||||||
| BP magnitude | 18.64 (0.02) | 18.61 | ||||||||||
| RP magnitude | 17.71 (0.02) | 17.70 | ||||||||||
| Pan g magnitude | 18.54 (0.01) | |||||||||||
| Pan r magnitude | 18.65 (0.004) | |||||||||||
| Pan i magnitude | 18.13 (0.004) | |||||||||||
| Pan z magnitude | 17.68 (0.005) | |||||||||||
| Pan y magnitude | 17.42 (0.006) | |||||||||||
| 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.