All names: KPD 0416+4015, LAMOST J041951.39+402245.3, GALEX J041951.4+402245, TIC 367596229, 2MASS J04195141+4022454, Gaia DR3 227673884198460416, WD 0416+402, Lan 534, Gaia DR2 227673884198460416, Gaia EDR3 227673884198460416
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 04 19 51.39 (0.05) | 04 19 51.39 (0.07) | 04 19 51.39 | 04 19 51.42 (0.05) | 04 19 50.93 | |||
| Declination | 40 22 45.20 (0.03) | 40 22 45.21 (0.04) | 40 22 45.20 | 40 22 45.62 (0.03) | 40 22 40.80 | |||
| Spectral type | DA | DA | DA1.4 | DA | ||||
| Effective temperature | [K] | 34990.0 (522) | 28299.0 (566) | |||||
| log(g) | [cgs] | 8.01 (0.05) | 7.75 (0.02) | |||||
| Mass | [M☉] | 0.67 (0.03) | 0.517 (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] | 5.56 (0.06) | 5.65 (0.07) | 5.56 | 5.56 (0.06) | |||
| Distance | [pc] | 179.79 (2) | 176.92 (2) | 185.00 | 179.79 | 179.79 (2) | ||
| Composition | H | |||||||
| Proper motion (right ascension) | [mas/yr] | -16.86279533 (0.09) | -17.02250198 (0.1) | -16.863 (0.09) | ||||
| Proper motion (declination) | [mas/yr] | -26.18995659 (0.05) | -26.1898748 (0.08) | -26.19 (0.04) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | 15.82 | |||||||
| V magnitude | 16.00 | |||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | 16.73 (0.2) | |||||||
| H magnitude | ||||||||
| K magnitude | ||||||||
| u magnitude | ||||||||
| g magnitude | ||||||||
| r magnitude | ||||||||
| i magnitude | ||||||||
| z magnitude | ||||||||
| G magnitude | 16.00 (0.002) | 16.03 | 16.00 | 16.00 (0.003) | ||||
| BP magnitude | 15.88 (0.002) | 15.81 | ||||||
| RP magnitude | 16.23 (0.003) | 16.23 | ||||||
| Pan g magnitude | ||||||||
| Pan r magnitude | ||||||||
| Pan i magnitude | ||||||||
| Pan z magnitude | ||||||||
| Pan y magnitude | ||||||||
| E(B-V) | 0.068 | |||||||
* 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.