All names: NLTT 6785, 2QZ J020129.2-304424, Gaia DR3 5019773573007492864, Gaia DR2 5019773573007492864, Gaia EDR3 5019773573007492864, WDJ020129.09-304425.56, LP 885-71, WDJ020129.09-304425.57, TIC 123322876, 2MASS J02012907-3044256
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|
| Right ascension | 02 01 28.96 (0.05) | 02 01 28.97 | 02 01 28.96 | 02 01 29.09 (0.05) | 02 01 28.97 | ||
| Declination | -30 44 27.01 (0.05) | -30 44 26.96 | -30 44 27.01 | -30 44 25.57 (0.05) | -30 44 26.96 | ||
| Spectral type | DA | DA | |||||
| Effective temperature | [K] | 6703.0 (45) | |||||
| log(g) | [cgs] | 8.01 (0.01) | |||||
| Mass | [M☉] | 0.595 (0.01) | |||||
| log(Luminosity) | [L☉] | ||||||
| Cooling age | [Gyr] | ||||||
| log(H/He) | |||||||
| log(C/He) | |||||||
| log(Ca/He) | |||||||
| log(Ca/H) | |||||||
| Parallax | [mas] | 20.39 (0.08) | 20.44 (0.1) | 20.39 | 20.39 (0.08) | 20.44 (0.1) | |
| Distance | [pc] | 49.05 (0.2) | 48.91 (0.3) | 49.05 | 49.05 (0.2) | 48.91 (0.3) | |
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | -99.08531062 (0.09) | -98.73329827 (0.2) | -99.085 (0.09) | -98.73329827 | ||
| Proper motion (declination) | [mas/yr] | -89.84493364 (0.06) | -89.87400808 (0.1) | -89.845 (0.07) | -89.87400808 | ||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | |||||||
| B magnitude | |||||||
| V magnitude | 16.63 | ||||||
| R magnitude | |||||||
| I magnitude | |||||||
| J magnitude | 16.29 (0.1) | ||||||
| H magnitude | 15.78 (0.2) | ||||||
| K magnitude | |||||||
| u magnitude | |||||||
| g magnitude | |||||||
| r magnitude | |||||||
| i magnitude | |||||||
| z magnitude | |||||||
| G magnitude | 17.05 (0.006) | 17.06 | 17.05 | 17.05 (0.003) | 17.06 | ||
| BP magnitude | 17.27 (0.006) | 17.27 | 17.27 | ||||
| RP magnitude | 16.68 (0.005) | 16.69 | 16.69 | ||||
| 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.