All names: DENIS J102138.3-344813, GALEX J102138.2-344813, WISE J102138.25-344813.0, WISEA J102138.24-344812.9, 2MASS J10213833-3448137, Gaia EDR3 5446683430923603840, Gaia DR3 5446683430923603840, WDJ102138.33-344813.71, TIC 71489738, Gaia DR2 5446683430923603840
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|
| Right ascension | 10 21 38.26 (0.03) | 10 21 38.26 | 10 21 38.26 | 10 21 38.33 (0.03) | 10 21 38.26 | ||
| Declination | -34 48 12.72 (0.03) | -34 48 12.75 | -34 48 12.72 | -34 48 13.71 (0.03) | -34 48 12.75 | ||
| Spectral type | DA | DA | |||||
| Effective temperature | [K] | 14664.0 (157) | |||||
| log(g) | [cgs] | 7.96 (0.01) | |||||
| Mass | [M☉] | 0.591 (0.008) | |||||
| log(Luminosity) | [L☉] | ||||||
| Cooling age | [Gyr] | ||||||
| log(H/He) | |||||||
| log(C/He) | |||||||
| log(Ca/He) | |||||||
| log(Ca/H) | |||||||
| Parallax | [mas] | 10.67 (0.04) | 10.66 (0.06) | 10.67 | 10.67 (0.04) | 10.66 (0.06) | |
| Distance | [pc] | 93.71 (0.4) | 93.80 (0.5) | 93.71 | 93.71 (0.4) | 93.80 (0.5) | |
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | -56.16363636 (0.03) | -56.18833094 (0.1) | -56.164 (0.03) | -56.18833094 | ||
| Proper motion (declination) | [mas/yr] | 61.94128313 (0.04) | 61.8289078 (0.1) | 61.941 (0.04) | 61.8289078 | ||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | |||||||
| B magnitude | |||||||
| V magnitude | |||||||
| R magnitude | |||||||
| I magnitude | 16.25 (1) | ||||||
| J magnitude | 16.50 (0.1) | ||||||
| H magnitude | |||||||
| K magnitude | |||||||
| u magnitude | |||||||
| g magnitude | |||||||
| r magnitude | |||||||
| i magnitude | |||||||
| z magnitude | |||||||
| G magnitude | 16.17 (0.003) | 16.19 | 16.17 | 16.17 (0.003) | 16.19 | ||
| BP magnitude | 16.14 (0.003) | 16.13 | 16.13 | ||||
| RP magnitude | 16.26 (0.003) | 16.26 | 16.26 | ||||
| Pan g magnitude | |||||||
| Pan r magnitude | |||||||
| Pan i magnitude | |||||||
| Pan z magnitude | |||||||
| Pan y magnitude | |||||||
| E(B-V) | 0.002 | ||||||
* 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.