All names: Gaia DR3 4829340465475546880, L 228-55, 2MASS J03434743-5125164, UCAC4 193-003612, EC 03423-5134, USNO-B1.0 0385-00030073, LTT 1765, Gaia DR2 4829340465475546880, WDJ034347.42-512516.55, LEP0343-5125, 034347.42-512516.55, Gaia EDR3 4829340465475546880, GALEX J034347.3-512519, LAWD 16, TIC 206434512, NLTT 11740
| Parameter | Unit | Gaia EDR3 | O'Brien et al. 2024 | O'Brien et al. 2022 | Subasavage et al. 2022 | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 03 43 47.38 (0.02) | 03 43 47.38 | 03 43 47.38 | 03 43 47.42 (0.02) | 03 43 47.38 | |||||
| Declination | -51 25 22.82 (0.03) | -51 25 22.62 | -51 25 22.82 | -51 25 16.55 (0.03) | -51 25 22.62 | |||||
| Spectral type | DAZ | DAZ | DA | DA | DAZ | |||||
| Effective temperature | [K] | 6742.0 (45) | 6740.0 (50) | 6914.0 (159) | 6796.0 (26) | |||||
| log(g) | [cgs] | 8.01 (0.02) | 8.01 (0.02) | 8.06 (0.04) | 8.03 (0.007) | |||||
| Mass | [M☉] | 0.597 (0.01) | 0.63 (0.04) | 0.609 (0.006) | ||||||
| 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] | 35.83 (0.03) | 35.83 (0.03) | 35.83 (0.03) | 35.86 (0.03) | 35.86 (0.03) | 35.83 | 35.83 (0.03) | 35.86 (0.03) | |
| Distance | [pc] | 27.91 (0.02) | 27.91 (0.02) | 27.91 (0.02) | 27.89 (0.03) | 27.89 (0.03) | 27.91 | 27.91 (0.02) | 27.89 (0.03) | |
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | -21.90189499 (0.03) | -21.87752677 (0.06) | -21.902 (0.03) | -21.87752677 | |||||
| Proper motion (declination) | [mas/yr] | -391.55994 (0.03) | -391.4236251 (0.07) | -391.56 (0.03) | -391.4236251 | |||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | 16.26 | 16.27 (0.1) | ||||||||
| V magnitude | 15.88 | 15.85 (0) | ||||||||
| R magnitude | 15.65 | 15.95 (0.1) | ||||||||
| I magnitude | 15.37 | |||||||||
| J magnitude | 15.07 | 15.07 (0.04) | ||||||||
| H magnitude | 15.00 | 15.00 (0.09) | ||||||||
| K magnitude | 14.92 | 14.92 (0.1) | ||||||||
| u magnitude | ||||||||||
| g magnitude | ||||||||||
| r magnitude | ||||||||||
| i magnitude | ||||||||||
| z magnitude | ||||||||||
| G magnitude | 15.80 (0.002) | 15.81 | 15.80 | 15.80 (0.003) | 15.81 | |||||
| BP magnitude | 16.01 (0.002) | 16.01 | 16.01 | |||||||
| RP magnitude | 15.44 (0.002) | 15.45 | 15.45 | |||||||
| 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.