All names: 2RE J194341+500501, RE J1943+500, UCAC4 701-069965, EUVE J1943+50.0, Gaia DR3 2134964715987304576, RE J1943+50, Gaia DR2 2134964715987304576, GALEX J194343.8+500438, KIC 11822535, WD 1942+499, 1RXS J194343.1+500440, 2RE J1943+500, Gaia EDR3 2134964715987304576, 2EUVE J1943+50.0, 2MASS J19434368+5004378, WDJ194343.68+500437.93, TIC 27685055, RE J194343+500507
| 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.