All names: Gaia DR3 849662286268768640, WD 1052+544, SDSS J105549.20+540946.8, Gaia DR2 849662286268768640, SDSS J105549.17+540946.8, [HHD2009] SDSS J1055+5409, LAMOST J105549.16+540946.7, SDSS J105549.18+540947.1, 2MASS J10554914+5409468, TIC 302695576, Gaia EDR3 849662286268768640, GALEX J105549.2+540947, SDSS J105549.16+540946.7
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 10 55 49.22 (0.05) | 10 55 49.17 | 10 55 49.22 (0.05) | 10 55 49.16 (0.05) | 10 55 49.03 | |||
| Declination | 54 09 46.70 (0.06) | 54 09 46.88 | 54 09 46.71 (0.06) | 54 09 46.94 (0.06) | 54 09 41.04 | |||
| Spectral type | DA+K | DA.83 K | ||||||
| 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] | 2.26 (0.08) | 2.09 (0.1) | 2.26 (0.08) | ||||
| Distance | [pc] | 441.58 (16) | 478.82 (23) | 441.58 (16) | ||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | 30.93055138 (0.07) | 30.70051374 (0.1) | 30.931 (0.07) | ||||
| Proper motion (declination) | [mas/yr] | -14.9960249 (0.07) | -15.17731886 (0.1) | -14.996 (0.07) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | yes | |||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | 13.59 (0.03) | |||||||
| H magnitude | 12.92 (0.04) | |||||||
| K magnitude | 12.77 (0.02) | |||||||
| u magnitude | 17.02 (0.008) | 17.02 (0.008) | 17.05 | |||||
| g magnitude | 16.34 (0.004) | 16.34 (0.004) | 16.33 | |||||
| r magnitude | 15.55 (0.003) | 15.56 (0.003) | 15.55 | |||||
| i magnitude | 15.07 (0.004) | 15.08 (0.004) | 15.04 | |||||
| z magnitude | 14.78 (0.004) | 14.78 (0.004) | 14.77 | |||||
| G magnitude | 15.54 (0.006) | 15.53 | 15.54 (0.003) | |||||
| BP magnitude | 16.12 (0.006) | 16.12 | ||||||
| RP magnitude | 14.74 (0.005) | 14.74 | ||||||
| Pan g magnitude | 16.28 (0.004) | |||||||
| Pan r magnitude | 15.59 (0.009) | |||||||
| Pan i magnitude | 15.12 (0.002) | |||||||
| Pan z magnitude | 14.88 (0.01) | |||||||
| Pan y magnitude | 14.71 (0.006) | |||||||
| 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.