All names: MCT 0142-3026, TIC 32396169, WD 0142-303, 2MASS J01443623-3011222, WD 0142-304, Gaia DR3 5022387185162024960, LEHPM 1822, NLTT 5814, EC 01423-3026, GD 1394, GALEX J014436.3-301122, WDJ014436.28-301122.37, Gaia EDR3 5022387185162024960, Gaia DR2 5022387185162024960, WT 1224
| Parameter | Unit | Gaia EDR3 | Bergeron et al. 2021 | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 01 44 36.50 (0.04) | 01 44 36.50 (0.05) | 01 44 36.50 | 01 44 36.28 (0.04) | 01 44 36.50 | 01 44 17.06 | |||
| Declination | -30 11 22.61 (0.03) | -30 11 22.60 (0.04) | -30 11 22.61 | -30 11 22.37 (0.03) | -30 11 22.60 | -29 45 15.48 | |||
| Spectral type | DA | DA | DA3.5 | DA4.2 | |||||
| Effective temperature | [K] | 11224.0 (262) | 10668.0 (75) | ||||||
| log(g) | [cgs] | 7.73 (0.1) | 7.96 (0.01) | ||||||
| Mass | [M☉] | 0.458 (0.06) | 0.581 (0.009) | ||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | 0.3261 | |||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| log(C/H) | |||||||||
| log(N/H) | |||||||||
| log(O/H) | |||||||||
| log(Na/H) | |||||||||
| log(Mg/H) | |||||||||
| log(Al/H) | |||||||||
| log(Si/H) | |||||||||
| log(P/H) | |||||||||
| log(S/H) | |||||||||
| log(Sc/H) | |||||||||
| log(Ti/H) | |||||||||
| log(Cr/H) | |||||||||
| log(Mn/H) | |||||||||
| log(Fe/H) | |||||||||
| log(Ni/H) | |||||||||
| Parallax | [mas] | 11.84 (0.06) | 11.85 (0.07) | 11.84 | 11.84 (0.06) | 11.85 (0.07) | |||
| Distance | [pc] | 84.46 (0.4) | 84.00 | 84.36 (0.5) | 84.46 | 84.46 (0.4) | 84.36 (0.5) | ||
| Composition | H | ||||||||
| Proper motion (right ascension) | [mas/yr] | 182.4476348 (0.06) | 182.7501168 (0.1) | 182.448 (0.06) | 182.7501168 | ||||
| Proper motion (declination) | [mas/yr] | -14.77582874 (0.04) | -14.78749944 (0.07) | -14.776 (0.04) | -14.78749944 | ||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | 15.50 | ||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 16.53 (0.1) | ||||||||
| H magnitude | 16.48 (0.2) | ||||||||
| K magnitude | |||||||||
| u magnitude | |||||||||
| g magnitude | |||||||||
| r magnitude | |||||||||
| i magnitude | |||||||||
| z magnitude | |||||||||
| G magnitude | 16.54 (0.003) | 16.57 | 16.54 | 16.54 (0.003) | 16.57 | ||||
| BP magnitude | 16.59 (0.003) | 16.59 | 16.59 | ||||||
| RP magnitude | 16.50 (0.004) | 16.52 | 16.52 | ||||||
| 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.