All names: WISEA J013942.81-344240.0, TIC 32307067, 2MASS J01394284-3442393, BPS CS 29504-0036, UCAC4 277-001668, Gaia DR2 5012047927570807552, Gaia EDR3 5012047927570807552, WD 0137-349, GALEX J013942.8-344239, WISE J013942.81-344239.9, Gaia DR3 5012047927570807552
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|
| Right ascension | 01 39 42.80 (0.03) | 01 39 42.80 (0.04) | 01 39 42.80 | 01 39 42.85 (0.03) | 01 39 42.36 | ||
| Declination | -34 42 40.36 (0.02) | -34 42 40.34 (0.03) | -34 42 40.36 | -34 42 39.58 (0.02) | -34 42 36.72 | ||
| Spectral type | DA | DA3 | DA | ||||
| Effective temperature | [K] | 17178.0 (156) | |||||
| log(g) | [cgs] | 7.48 (0.009) | |||||
| Mass | [M☉] | 0.375 (0.005) | |||||
| log(Luminosity) | [L☉] | ||||||
| Cooling age | [Gyr] | ||||||
| log(H/He) | |||||||
| log(C/He) | |||||||
| log(Ca/He) | |||||||
| log(Ca/H) | |||||||
| Parallax | [mas] | 9.85 (0.04) | 9.78 (0.05) | 9.85 | 9.85 (0.04) | ||
| Distance | [pc] | 101.55 (0.4) | 102.26 (0.5) | 101.55 | 101.55 (0.4) | ||
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | -42.058882 (0.03) | -42.02211938 (0.06) | -42.059 (0.03) | |||
| Proper motion (declination) | [mas/yr] | -48.89474842 (0.02) | -48.99589307 (0.05) | -48.895 (0.03) | |||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | |||||||
| B magnitude | 15.33 (0.03) | ||||||
| V magnitude | 15.30 (0.04) | ||||||
| R magnitude | |||||||
| I magnitude | |||||||
| J magnitude | 15.68 (0.06) | ||||||
| H magnitude | 15.89 (0.1) | ||||||
| K magnitude | 15.44 (0.2) | ||||||
| u magnitude | |||||||
| g magnitude | 15.21 (0.04) | ||||||
| r magnitude | 15.55 (0.02) | ||||||
| i magnitude | 15.83 (0.01) | ||||||
| z magnitude | |||||||
| G magnitude | 15.35 (0.001) | 15.37 | 15.35 | 15.35 (0.003) | |||
| BP magnitude | 15.28 (0.001) | 15.26 | |||||
| RP magnitude | 15.48 (0.002) | 15.49 | |||||
| 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.