All names: Gaia DR3 5039471431194302336, Gaia DR2 5039471431194302336, Gaia EDR3 5039471431194302336, TIC 164696496, 2MASS J01401877-2241361, Ton S 226, USNO-B1.0 0673-00028486, EGGR 466, WD 0137-229, PHL 3586, GD 1383
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 01 40 18.86 (0.04) | 01 40 18.85 (0.06) | 01 40 18.86 | 01 40 18.76 (0.04) | 01 40 18.96 | |||
| Declination | -22 41 36.65 (0.03) | -22 41 36.64 (0.04) | -22 41 36.65 | -22 41 36.29 (0.03) | -22 41 38.04 | |||
| Spectral type | DA | DA | DA2.5 | DA | ||||
| Effective temperature | [K] | 20270.0 (369) | 19861.0 (319) | |||||
| log(g) | [cgs] | 8.06 (0.06) | 8.05 (0.02) | |||||
| Mass | [M☉] | 0.66 (0.03) | 0.651 (0.01) | |||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| 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] | 7.36 (0.07) | 7.46 (0.09) | 7.36 | 7.36 (0.07) | |||
| Distance | [pc] | 135.94 (1) | 133.96 (2) | 142.00 | 135.94 | 135.94 (1) | ||
| Composition | H | |||||||
| Proper motion (right ascension) | [mas/yr] | 88.10871498 (0.06) | 88.13721905 (0.2) | 88.109 (0.06) | ||||
| Proper motion (declination) | [mas/yr] | -22.51813627 (0.04) | -22.70433532 (0.07) | -22.518 (0.04) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | 17.00 | |||||||
| V magnitude | ||||||||
| R magnitude | 16.30 | |||||||
| I magnitude | ||||||||
| J magnitude | 17.08 (0.2) | |||||||
| H magnitude | 16.88 (0.3) | |||||||
| K magnitude | 15.76 (0.2) | |||||||
| u magnitude | ||||||||
| g magnitude | ||||||||
| r magnitude | ||||||||
| i magnitude | ||||||||
| z magnitude | ||||||||
| G magnitude | 16.55 (0.003) | 16.57 | 16.55 | 16.55 (0.003) | ||||
| BP magnitude | 16.47 (0.003) | 16.45 | ||||||
| RP magnitude | 16.72 (0.005) | 16.72 | ||||||
| Pan g magnitude | ||||||||
| Pan r magnitude | ||||||||
| Pan i magnitude | ||||||||
| Pan z magnitude | ||||||||
| Pan y magnitude | ||||||||
| E(B-V) | 0.002 | |||||||
* 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.