All names: Gaia EDR3 5007888092829539968, Gaia DR3 5007888092829539968, Gaia DR2 5007888092829539968, 2QZ J004420.4-305435, GALEX J004420.4-305434
| Parameter | Unit | Gaia EDR3 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 00 44 20.41 (0.4) | 00 44 20.40 (0.4) | ||
| Declination | -30 54 34.72 (0.4) | -30 54 34.86 (0.4) | ||
| Spectral type | 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] | 1.89 (0.5) | 1.89 (0.5) | |
| Distance | [pc] | 529.30 (144) | 529.30 (144) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 10.699 (0.5) | 10.699 (0.5) | |
| Proper motion (declination) | [mas/yr] | 8.387 (0.5) | 8.387 (0.5) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 20.24 | |||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | ||||
| H magnitude | ||||
| K magnitude | ||||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 20.12 (0.006) | 20.12 (0.006) | ||
| BP magnitude | 20.00 (0.05) | |||
| RP magnitude | 20.15 (0.1) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.006 | |||
* 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.