All names: TIC 101437274, WD 1440-025, Gaia EDR3 3648597537114124672, Gaia DR2 3648597537114124672, Gaia DR3 3648597537114124672, LAMOST J144335.02-024352.5, LBQS 1440-0231, GALEX J144335.0-024351, 2MASS J14433505-0243520
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|
| Right ascension | 14 43 35.00 (0.06) | 14 43 35.00 (0.07) | 14 43 35.05 (0.06) | 14 43 34.78 | ||
| Declination | -02 43 52.10 (0.05) | -02 43 52.10 (0.09) | -02 43 52.17 (0.05) | -02 43 53.40 | ||
| Spectral type | DA+Me | DA+dMe | ||||
| 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] | 7.60 (0.06) | 7.52 (0.1) | 7.60 (0.06) | ||
| Distance | [pc] | 131.50 (1) | 132.96 (2) | 131.50 (1) | ||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | -49.37008476 (0.07) | -50.027 (0.2) | -49.37 (0.07) | ||
| Proper motion (declination) | [mas/yr] | 4.484614693 (0.06) | 5.69 (0.3) | 4.485 (0.06) | ||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | yes | |||||
| B magnitude | ||||||
| V magnitude | ||||||
| R magnitude | ||||||
| I magnitude | ||||||
| J magnitude | 12.57 (0.03) | |||||
| H magnitude | 11.88 (0.02) | |||||
| K magnitude | 11.67 (0.02) | |||||
| u magnitude | 17.15 (0.008) | |||||
| g magnitude | 16.42 (0.004) | |||||
| r magnitude | 15.72 (0.004) | |||||
| i magnitude | 14.63 (0.004) | |||||
| z magnitude | 13.94 (0.004) | |||||
| G magnitude | 15.23 (0.004) | 15.23 | 15.23 (0.003) | |||
| BP magnitude | 16.22 (0.004) | 16.22 | ||||
| RP magnitude | 14.16 (0.003) | 14.18 | ||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| E(B-V) | 0.027 | |||||
* 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.