All names: LAMOST J043627.78+404709.1, Gaia EDR3 203828633790026496, RL 107, 2MASS J04362775+4047094, J0436+4047, Lanning 531, Lan 531, WD 0433+406, WDJ043627.74+404708.75, Gaia DR2 203828633790026496, TIC 155733899, Gaia DR3 203828633790026496
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Caron et al. 2023 | Gaia DR2 | Stilism | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 04 36 27.80 (0.05) | 04 36 27.80 (0.08) | 04 36 27.80 | 04 36 27.74 (0.05) | 04 36 27.80 | 04 36 27.31 | |||||
| Declination | 40 47 09.47 (0.03) | 40 47 09.44 (0.06) | 40 47 09.47 | 40 47 08.75 (0.03) | 40 47 09.44 | 40 46 04.44 | |||||
| Spectral type | DA | DA | DA | DA5.0 | DA6 | ||||||
| Effective temperature | [K] | 10068.0 (59) | 10160.0 (151) | 9952.0 (78) | |||||||
| log(g) | [cgs] | 8.06 (0.01) | 8.22 (0.06) | 8.03 (0.01) | |||||||
| Mass | [M☉] | 0.638 (0.009) | 0.73 (0.04) | 0.617 (0.01) | |||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 0.6800 | |||||||||
| 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] | 13.41 (0.06) | 13.47 (0.09) | 13.47 (0.09) | 13.41 | 13.41 (0.06) | 13.47 (0.09) | ||||
| Distance | [pc] | 74.55 (0.3) | 74.24 (0.5) | 74.26 (0.5) | 65.00 | 74.55 | 74.55 (0.3) | 74.26 (0.5) | |||
| Composition | H | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | 40.78403504 (0.07) | 40.95444944 (0.2) | 40.784 (0.07) | 40.95444944 | ||||||
| Proper motion (declination) | [mas/yr] | 44.50521795 (0.06) | 44.52159164 (0.1) | 44.505 (0.06) | 44.52159164 | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | 16.72 | ||||||||||
| V magnitude | 16.55 | ||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | 16.53 (0.01) | 16.52 (0.1) | |||||||||
| H magnitude | 16.44 (0.02) | 16.32 (0.3) | |||||||||
| K magnitude | 16.55 (0.03) | ||||||||||
| u magnitude | |||||||||||
| g magnitude | |||||||||||
| r magnitude | |||||||||||
| i magnitude | |||||||||||
| z magnitude | |||||||||||
| G magnitude | 16.59 (0.003) | 16.61 | 16.59 | 16.59 (0.003) | 16.61 | ||||||
| BP magnitude | 16.65 (0.003) | 16.65 | 16.65 | ||||||||
| RP magnitude | 16.49 (0.004) | 16.50 | 16.50 | ||||||||
| Pan g magnitude | 16.60 (0.005) | 16.60 (0.005) | |||||||||
| Pan r magnitude | 16.68 (0.002) | 16.68 (0.002) | |||||||||
| Pan i magnitude | 16.82 (0.003) | 16.82 (0.003) | |||||||||
| Pan z magnitude | 16.97 (0.007) | 16.97 (0.006) | |||||||||
| Pan y magnitude | 17.10 (0.009) | 17.10 (0.01) | |||||||||
| 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.