All names: Gaia DR3 3809738280493734656, GALEX J105608.4+034821, SDSSJ105608.42+034821.3, SDSS J105608.42+034821.3, Gaia EDR3 3809738280493734656, LAMOST J105608.42+034821.3, SDSS J105608.42+034821.2, Gaia DR2 3809738280493734656
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Geier 2020 | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 10 56 08.43 (0.1) | 10 56 08.43 | 10 56 08.42 | 10 56 08.43 (0.2) | 10 56 08.43 (0.1) | 10 56 08.43 | |||
| Declination | 03 48 21.28 (0.09) | 03 48 21.31 | 03 48 21.30 | 03 48 21.28 (0.1) | 03 48 21.31 (0.09) | 03 48 21.29 | |||
| Spectral type | sdB | sdB | SD_auto | ||||||
| Effective temperature | [K] | 19505.0 (219) | |||||||
| log(g) | [cgs] | 5.00 (0.001) | |||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 0.08 (0.1) | 0.00 (0.2) | 0.00 (0.2) | 0.08 (0.1) | ||||
| Distance | [pc] | 13171.74 (20551) | 5000000.00 (4537500000) | 5933380.01 (6388479740) | 13175.23 (20570) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | 0.542923749 (0.1) | 0.534 (0.3) | 0.533711865 (0.3) | 0.543 (0.1) | 8.8 | |||
| Proper motion (declination) | [mas/yr] | -1.669150004 (0.1) | -1.694 (0.2) | -1.694125622 (0.2) | -1.669 (0.1) | 1.7 | |||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 17.85 (0.04) | ||||||||
| H magnitude | 18.20 (0.1) | ||||||||
| K magnitude | |||||||||
| u magnitude | 17.77 (0.01) | 17.77 (0.01) | 17.77 (0.01) | 17.76 (0.02) | |||||
| g magnitude | 17.36 (0.005) | 17.36 (0.005) | 17.36 (0.005) | 17.38 (0.03) | |||||
| r magnitude | 17.67 (0.006) | 17.66 (0.006) | 17.66 (0.006) | 17.67 (0.02) | |||||
| i magnitude | 17.91 (0.007) | 17.91 (0.007) | 17.91 (0.007) | 17.91 (0.02) | |||||
| z magnitude | 18.12 (0.02) | 18.12 (0.02) | 18.12 (0.02) | 18.09 (0.03) | |||||
| G magnitude | 17.52 (0.01) | 17.54 (0.002) | 17.54 | 17.52 (0.003) | |||||
| BP magnitude | 17.47 (0.01) | 17.44 (0.02) | 17.44 | ||||||
| RP magnitude | 17.61 (0.02) | 17.57 (0.02) | 17.57 | ||||||
| Pan g magnitude | 17.40 (0.004) | 17.39 (0.004) | |||||||
| Pan r magnitude | 17.67 (0.005) | 17.67 (0.005) | |||||||
| Pan i magnitude | 17.93 (0.004) | 17.93 (0.004) | |||||||
| Pan z magnitude | 18.12 (0.009) | 18.12 (0.009) | |||||||
| Pan y magnitude | 18.23 (0.02) | 18.23 (0.02) | |||||||
| E(B-V) | 0.026 | ||||||||
* 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.