All names: WD0129-205, MCT 0129-2035, BPM 47191, WD 0129-205, EC 01292-2035, PHL 1017, SDSS J013139.30-201958.6, Gaia DR2 5043926824108837376, WDJ013139.22-201958.63, GALEX J013139.2-201958, TIC 469970022, Gaia DR3 5043926824108837376, 2MASS J01313921-2019586, GD 976, USNO-B1.0 0696-00019434, Gaia EDR3 5043926824108837376
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Bergeron et al. 2021 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Gianninas et al. 2011 | Koester et al. 2009 | Koester et al. 2001 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 01 31 39.41 (0.03) | 01 31 39.41 (0.04) | 01 31 39.20 | 01 31 39.41 | 01 31 39.22 (0.03) | 01 31 39.41 | 01 31 38.18 | ||||||||
| Declination | -20 19 58.43 (0.02) | -20 19 58.44 (0.02) | -20 19 59.00 | -20 19 58.43 | -20 19 58.63 (0.02) | -20 19 58.44 | -20 19 52.68 | ||||||||
| Spectral type | DA | DA | DA | DA | DA2.4 | DA2.5 | |||||||||
| Effective temperature | [K] | 20227.0 (424) | 18552.0 | 21249.0 | 20670.0 (333) | 19950.0 (46) | 20147.0 (110) | 19613.0 (181) | |||||||
| log(g) | [cgs] | 8.02 (0.06) | 7.84 | 8.08 | 8.01 (0.05) | 7.88 (0.008) | 7.80 (0.02) | 7.91 (0.008) | |||||||
| Mass | [M☉] | 0.635 (0.04) | 0.534 | 0.645 | 0.63 (0.03) | 0.52 | 0.575 (0.006) | ||||||||
| log(Luminosity) | [L☉] | ||||||||||||||
| Cooling age | [Gyr] | 0.0655 | 0.0663 | 0.0638 | |||||||||||
| 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] | 11.85 (0.04) | 11.73 (0.05) | 11.85 | 11.85 (0.04) | 11.73 (0.05) | |||||||||
| Distance | [pc] | 84.37 (0.3) | 84.00 | 85.26 (0.4) | 61.00 | 84.37 | 84.37 (0.3) | 85.26 (0.4) | |||||||
| Composition | H | H | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | 166.8016726 (0.04) | 166.7954047 (0.09) | 166.802 (0.04) | 166.7954047 | ||||||||||
| Proper motion (declination) | [mas/yr] | 12.54220093 (0.02) | 12.34580105 (0.04) | 12.542 (0.02) | 12.34580105 | ||||||||||
| Variability | |||||||||||||||
| Magnetic | |||||||||||||||
| Bd | [MG] | ||||||||||||||
| Infrared excess (disk) | |||||||||||||||
| Binarity | |||||||||||||||
| B magnitude | 14.64 | 15.60 | |||||||||||||
| V magnitude | 14.64 | 14.64 | |||||||||||||
| R magnitude | 15.50 | ||||||||||||||
| I magnitude | |||||||||||||||
| J magnitude | 15.76 (0.06) | ||||||||||||||
| H magnitude | 15.59 (0.1) | ||||||||||||||
| K magnitude | |||||||||||||||
| u magnitude | 15.19 (0.01) | 15.17 (0.004) | |||||||||||||
| g magnitude | 15.16 (0.02) | 15.12 (0.003) | |||||||||||||
| r magnitude | 15.51 (0.009) | 15.49 (0.003) | |||||||||||||
| i magnitude | 15.82 (0.009) | 15.82 (0.004) | |||||||||||||
| z magnitude | 16.11 (0.01) | 16.11 (0.007) | |||||||||||||
| G magnitude | 15.33 (0.001) | 15.34 | 15.33 | 15.33 (0.003) | 15.34 | ||||||||||
| BP magnitude | 15.24 (0.001) | 15.22 | 15.22 | ||||||||||||
| RP magnitude | 15.50 (0.001) | 15.51 | 15.51 | ||||||||||||
| Pan g magnitude | 15.19 (0.002) | ||||||||||||||
| Pan r magnitude | 15.52 (0.006) | ||||||||||||||
| Pan i magnitude | 15.83 (0.004) | ||||||||||||||
| Pan z magnitude | 16.08 (0.002) | ||||||||||||||
| Pan y magnitude | 16.26 (0.003) | ||||||||||||||
| 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.