All names: 2QZJ0040430-300915, GALEX J004043.1-300914, WD 0038-304.1, Gaia DR3 2317882730257769600, Gaia DR2 2317882730257769600, 2QZ J004043.0-300915, Gaia EDR3 2317882730257769600
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|
| Right ascension | 00 40 43.17 (0.3) | 00 40 43.17 (0.3) | 00 40 43.14 (0.3) | 00 40 43.08 | ||
| Declination | -30 09 14.89 (0.3) | -30 09 14.89 (0.3) | -30 09 14.89 (0.3) | -30 09 14.40 | ||
| Spectral type | DA2.0 | DA2.0 | ||||
| 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] | 1.50 (0.4) | 1.35 (0.5) | 1.50 (0.4) | ||
| Distance | [pc] | 664.64 (179) | 741.67 (263) | 664.63 (179) | ||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | 25.38426451 (0.4) | 25.222 (0.7) | 25.384 (0.4) | ||
| Proper motion (declination) | [mas/yr] | 0.117973907 (0.4) | 0.257 (0.6) | 0.118 (0.4) | ||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | ||||||
| B magnitude | 19.42 | |||||
| V magnitude | 19.50 | |||||
| R magnitude | ||||||
| I magnitude | ||||||
| J magnitude | ||||||
| H magnitude | ||||||
| K magnitude | ||||||
| u magnitude | ||||||
| g magnitude | ||||||
| r magnitude | ||||||
| i magnitude | ||||||
| z magnitude | ||||||
| G magnitude | 19.71 (0.04) | 19.75 | 19.71 (0.005) | |||
| BP magnitude | 19.62 (0.04) | 19.57 | ||||
| RP magnitude | 19.94 (0.07) | 19.96 | ||||
| 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.