All names: WISE J105029.91+552630.7, 2MASS J10502993+5526303, USNO-B1.0 1454-00207570, SBSS 1047+557, Gaia EDR3 850780455234071424, SDSS J105029.92+552630.5, WD 1047+557, WISEA J105029.89+552630.4, SBSS 1047+557A, TIC 285002606, Gaia DR3 850780455234071424, Gaia DR2 850780455234071424, SDSS J105029.91+552630.5
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|
| Right ascension | 10 50 29.92 (0.03) | 10 50 29.92 (0.04) | 10 50 29.92 (0.03) | 10 50 29.47 | |||
| Declination | 55 26 30.39 (0.04) | 55 26 30.40 (0.06) | 55 26 30.59 (0.04) | 55 26 29.76 | |||
| 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] | 0.13 (0.06) | 0.10 (0.08) | 0.13 (0.06) | |||
| Distance | [pc] | 7960.16 (3614) | 9633.91 (7527) | 7961.78 (3613) | |||
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | -3.408020598 (0.05) | -3.305 (0.09) | -3.408 (0.05) | |||
| Proper motion (declination) | [mas/yr] | -12.52569785 (0.05) | -12.488 (0.1) | -12.526 (0.05) | |||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | |||||||
| B magnitude | 17.80 | ||||||
| V magnitude | |||||||
| R magnitude | 17.00 | ||||||
| I magnitude | |||||||
| J magnitude | 15.83 (0.08) | ||||||
| H magnitude | 15.58 (0.2) | ||||||
| K magnitude | 15.63 (0.2) | ||||||
| u magnitude | 17.99 (0.01) | ||||||
| g magnitude | 17.06 (0.004) | ||||||
| r magnitude | 16.82 (0.005) | ||||||
| i magnitude | 16.73 (0.005) | ||||||
| z magnitude | 16.75 (0.01) | ||||||
| G magnitude | 16.81 (0.005) | 16.82 | 16.81 (0.003) | ||||
| BP magnitude | 17.05 (0.005) | 17.06 | |||||
| RP magnitude | 16.41 (0.004) | 16.42 | |||||
| Pan g magnitude | 17.07 (0.006) | ||||||
| Pan r magnitude | 16.83 (0.003) | ||||||
| Pan i magnitude | 16.75 (0.002) | ||||||
| Pan z magnitude | 16.75 (0.004) | ||||||
| Pan y magnitude | 16.76 (0.009) | ||||||
| E(B-V) | 0.021 | ||||||
* 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.