All names: GALEX J094510.0+553449, TYC 3810-1473-1, TIC 446129067, LAMOST J094509.99+553450.2, Gaia DR3 1021885355236478592, SBSS 0941+558, 2MASS J09450999+5534502, Gaia EDR3 1021885355236478592, Gaia DR2 1021885355236478592, LAMOST J094510.00+553450.1, WD 0941+558
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|
| Right ascension | 09 45 09.99 (0.02) | 09 45 09.99 (0.03) | 09 45 09.99 (0.02) | 09 45 09.70 | ||
| Declination | 55 34 50.21 (0.02) | 55 34 50.21 (0.03) | 55 34 50.25 (0.02) | 55 34 46.56 | ||
| Spectral type | DAZ | DAZ: | ||||
| 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] | 0.19 (0.03) | 0.14 (0.04) | 0.19 (0.03) | ||
| Distance | [pc] | 5171.26 (690) | 7047.22 (2225) | 5170.63 (690) | ||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | -4.40345017 (0.03) | -4.301 (0.07) | -4.403 (0.03) | ||
| Proper motion (declination) | [mas/yr] | -2.113393025 (0.02) | -2.176 (0.07) | -2.113 (0.02) | ||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | ||||||
| B magnitude | 12.50 (0.2) | |||||
| V magnitude | 12.57 (0.2) | |||||
| R magnitude | ||||||
| I magnitude | ||||||
| J magnitude | 13.04 (0.02) | |||||
| H magnitude | 13.12 (0.03) | |||||
| K magnitude | 13.20 (0.03) | |||||
| u magnitude | ||||||
| g magnitude | ||||||
| r magnitude | ||||||
| i magnitude | ||||||
| z magnitude | ||||||
| G magnitude | 12.70 (0.0005) | 12.72 | 12.70 (0.003) | |||
| BP magnitude | 12.63 (0.0005) | 12.60 | ||||
| RP magnitude | 12.85 (0.0006) | 12.85 | ||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| E(B-V) | 0.024 | |||||
* 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.