All names: WD 0342+176, LP 413-40, Gaia EDR3 44582933060466560, Gaia DR3 44582933060466560, TIC 434158293, EPIC 210659779, Gaia DR2 44582933060466560, J0345+1748, 2MASS J03451680+1748091, USNO-B1.0 1078-00054746, 0342+176, GALEX J034516.9+174807, LSPM J0345+1748, NLTT 11748, EQ J0345+1748
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Leggett et al. 2018 | Gaia DR2 | Stilism | Gianninas et al. 2014 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 03 45 17.09 (0.05) | 03 45 17.08 (0.08) | 03 45 17.09 | 03 45 16.83 (0.05) | 03 45 16.44 | |||||
| Declination | 17 48 05.84 (0.04) | 17 48 05.93 (0.06) | 17 48 05.84 | 17 48 08.70 (0.04) | 17 48 09.00 | |||||
| Spectral type | DA | DA | DA | __5.8 | ||||||
| Effective temperature | [K] | 8680.0 (120) | ||||||||
| log(g) | [cgs] | 6.83 (0.04) | ||||||||
| Mass | [M☉] | 0.22 | ||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 1.0200 (0.09) | ||||||||
| 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] | 5.51 (0.06) | 5.79 (0.3) | 5.48 (0.08) | 5.51 | 5.51 (0.06) | ||||
| Distance | [pc] | 181.57 (2) | 172.71 (10) | 182.45 (3) | 134.00 (25) | 181.57 | 181.57 (2) | |||
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | 234.2635175 (0.08) | 234.2387273 (0.2) | 234.264 (0.08) | ||||||
| Proper motion (declination) | [mas/yr] | -178.5677506 (0.06) | -178.2542222 (0.1) | -178.568 (0.06) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | WDMS | |||||||||
| B magnitude | 17.10 | |||||||||
| V magnitude | ||||||||||
| R magnitude | 16.30 | |||||||||
| I magnitude | ||||||||||
| J magnitude | 15.84 (0.08) | |||||||||
| H magnitude | 15.78 (0.1) | |||||||||
| K magnitude | ||||||||||
| u magnitude | ||||||||||
| g magnitude | ||||||||||
| r magnitude | ||||||||||
| i magnitude | ||||||||||
| z magnitude | ||||||||||
| G magnitude | 16.63 (0.005) | 16.64 | 16.63 | 16.63 (0.003) | ||||||
| BP magnitude | 16.80 (0.005) | 16.80 | ||||||||
| RP magnitude | 16.36 (0.005) | 16.35 | ||||||||
| Pan g magnitude | 16.76 (0.003) | |||||||||
| Pan r magnitude | 16.67 (0.006) | |||||||||
| Pan i magnitude | 16.68 (0.003) | |||||||||
| Pan z magnitude | 16.75 (0.004) | |||||||||
| Pan y magnitude | 16.79 (0.007) | |||||||||
| E(B-V) | 0.113 | |||||||||
* 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.