All names: WDJ045522.96-441818.57, WD 0453-443, TIC 161515290, Gaia EDR3 4811250471246135424, GALEX J045522.9-441818, 2MASS J04552295-4418191, Gaia DR3 4811250471246135424, Gaia DR2 4811250471246135424, HE 0453-4423
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 04 55 23.05 (0.04) | 04 55 23.05 (0.05) | 04 55 23.05 | 04 55 22.96 (0.04) | 04 55 23.05 | 04 55 23.06 | ||
| Declination | -44 18 17.64 (0.05) | -44 18 17.67 (0.06) | -44 18 17.64 | -44 18 18.57 (0.05) | -44 18 17.67 | -44 18 18.00 | ||
| Spectral type | DB | DC | DC | |||||
| Effective temperature | [K] | 10839.0 (144) | ||||||
| log(g) | [cgs] | 8.21 (0.02) | ||||||
| Mass | [M☉] | 0.712 (0.01) | ||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 12.04 (0.05) | 12.16 (0.06) | 12.04 | 12.04 (0.05) | 12.16 (0.06) | ||
| Distance | [pc] | 83.03 (0.3) | 82.24 (0.4) | 83.03 | 83.03 (0.3) | 82.24 (0.4) | ||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | 63.92074757 (0.05) | 63.91 (0.1) | 63.921 (0.05) | 63.91044149 | |||
| Proper motion (declination) | [mas/yr] | 58.04820602 (0.06) | 58.032 (0.1) | 58.048 (0.06) | 58.03245066 | |||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | 16.43 (0.1) | |||||||
| H magnitude | 16.39 (0.2) | |||||||
| K magnitude | ||||||||
| u magnitude | ||||||||
| g magnitude | ||||||||
| r magnitude | ||||||||
| i magnitude | ||||||||
| z magnitude | ||||||||
| G magnitude | 16.94 (0.005) | 16.97 | 16.94 | 16.94 (0.003) | 16.97 | |||
| BP magnitude | 16.98 (0.005) | 16.94 | 16.94 | |||||
| RP magnitude | 16.91 (0.008) | 16.91 | 16.91 | |||||
| Pan g magnitude | ||||||||
| Pan r magnitude | ||||||||
| Pan i magnitude | ||||||||
| Pan z magnitude | ||||||||
| Pan y magnitude | ||||||||
| E(B-V) | 0.001 | |||||||
* 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.