All names: KIC 11822535, GALEX J194343.8+500438, 2RE J194341+500501, RE J1943+500, TIC 27685055, WD 1942+499, RE J1943+50, Gaia DR2 2134964715987304576, Gaia EDR3 2134964715987304576, 2MASS J19434368+5004378, UCAC4 701-069965, RE J194343+500507, 2RE J1943+500, EUVE J1943+50.0, 2EUVE J1943+50.0, WDJ194343.68+500437.93, 1RXS J194343.1+500440, Gaia DR3 2134964715987304576
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | 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 | 19 43 43.73 (0.03) | 19 43 43.72 (0.03) | 19 43 43.73 | 19 43 43.68 (0.03) | 19 43 43.72 | 19 43 41.02 | ||||
| Declination | 50 04 38.65 (0.03) | 50 04 38.63 (0.04) | 50 04 38.65 | 50 04 37.92 (0.03) | 50 04 38.63 | 50 04 57.36 | ||||
| Spectral type | DA | DA | DA1.4 | DA2 | ||||||
| Effective temperature | [K] | 34910.0 (523) | 42104.0 (1530) | |||||||
| log(g) | [cgs] | 8.12 (0.05) | 8.18 (0.02) | |||||||
| Mass | [M☉] | 0.73 (0.03) | 0.766 (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] | 10.03 (0.03) | 10.03 (0.04) | 10.03 | 10.03 (0.03) | 10.03 (0.04) | ||||
| Distance | [pc] | 99.74 (0.3) | 99.65 (0.4) | 89.00 | 99.74 | 99.74 (0.3) | 99.65 (0.4) | |||
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | 26.57129734 (0.04) | 26.68365724 (0.07) | 26.571 (0.04) | 26.68365724 | |||||
| Proper motion (declination) | [mas/yr] | 45.65313986 (0.04) | 45.42071374 (0.07) | 45.653 (0.04) | 45.42071374 | |||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | 14.32 (0.3) | |||||||||
| V magnitude | 14.72 (0.1) | |||||||||
| R magnitude | 15.04 (0.1) | |||||||||
| I magnitude | ||||||||||
| J magnitude | 15.37 (0.04) | |||||||||
| H magnitude | 15.36 (0.08) | |||||||||
| K magnitude | 15.18 (0.2) | |||||||||
| u magnitude | ||||||||||
| g magnitude | 14.41 (0.2) | |||||||||
| r magnitude | 14.93 (0.1) | |||||||||
| i magnitude | ||||||||||
| z magnitude | ||||||||||
| G magnitude | 14.66 (0.002) | 14.67 | 14.66 | 14.66 (0.003) | 14.67 | |||||
| BP magnitude | 14.51 (0.002) | 14.44 | 14.44 | |||||||
| RP magnitude | 14.96 (0.001) | 14.96 | 14.96 | |||||||
| Pan g magnitude | 14.50 (0.003) | |||||||||
| Pan r magnitude | 14.92 (0.002) | |||||||||
| Pan i magnitude | 15.30 (0.003) | |||||||||
| Pan z magnitude | 15.58 (0.003) | |||||||||
| Pan y magnitude | 15.78 (0.002) | |||||||||
| E(B-V) | 0.009 | |||||||||
* 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.