All names: WDJ034018.31-301535.82, UCAC4 299-003745, Gaia EDR3 5055975238166788352, Ton S 369, Gaia DR2 5055975238166788352, 2MASS J03401830-3015357, LEP0340-3015, PHL 8735, TIC 143043648, Gaia DR3 5055975238166788352, EC 03382-3025, USNO-B1.0 0597-00035864, HE 0338-3025, WD 0338-304
| Parameter | Unit | Gaia EDR3 | Subasavage et al. 2022 | Gaia DR2 | Stilism | Koester et al. 2009 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 03 40 18.23 (0.02) | 03 40 18.23 (0.03) | 03 40 18.23 | 03 40 18.31 (0.02) | 03 40 18.23 | 03 40 17.78 | ||||
| Declination | -30 15 38.20 (0.03) | -30 15 38.12 (0.04) | -30 15 38.20 | -30 15 35.82 (0.03) | -30 15 38.12 | -30 15 34.56 | ||||
| Spectral type | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 9683.0 (368) | 9959.0 (9) | 9853.0 (51) | ||||||
| log(g) | [cgs] | 8.05 (0.06) | 8.13 (0.01) | 8.10 (0.008) | ||||||
| Mass | [M☉] | 0.63 (0.05) | 0.66 (0.007) | |||||||
| 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] | 19.27 (0.03) | 19.31 (0.05) | 19.31 (0.05) | 19.27 | 19.27 (0.03) | 19.31 (0.05) | |||
| Distance | [pc] | 51.89 (0.09) | 51.80 (0.1) | 51.80 (0.1) | 51.89 | 51.89 (0.09) | 51.80 (0.1) | |||
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | -62.65106929 (0.03) | -62.65662699 (0.07) | -62.651 (0.03) | -62.65662699 | |||||
| Proper motion (declination) | [mas/yr] | -148.3169358 (0.04) | -148.3612316 (0.08) | -148.317 (0.04) | -148.3612316 | |||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | 16.12 | 16.25 | 16.18 (0.07) | |||||||
| V magnitude | 15.95 | 15.92 (0.03) | ||||||||
| R magnitude | 15.87 | 15.60 | ||||||||
| I magnitude | 15.76 | |||||||||
| J magnitude | 15.84 | 15.84 (0.07) | ||||||||
| H magnitude | 15.78 | 15.78 (0.1) | ||||||||
| K magnitude | 15.58 | 15.58 (0.2) | ||||||||
| u magnitude | ||||||||||
| g magnitude | ||||||||||
| r magnitude | ||||||||||
| i magnitude | ||||||||||
| z magnitude | ||||||||||
| G magnitude | 15.93 (0.002) | 15.95 | 15.93 | 15.93 (0.003) | 15.95 | |||||
| BP magnitude | 15.99 (0.002) | 15.98 | 15.98 | |||||||
| RP magnitude | 15.84 (0.003) | 15.84 | 15.84 | |||||||
| Pan g magnitude | ||||||||||
| Pan r magnitude | ||||||||||
| Pan i magnitude | ||||||||||
| Pan z magnitude | ||||||||||
| Pan y magnitude | ||||||||||
| E(B-V) | 0.000 | |||||||||
* 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.