All names: Gaia DR3 2147153176036538112, UCAC4 719-060119, WISE J184157.85+533817.8, 2MASS J18415787+5338191, WISEA J184157.86+533817.8, WDJ184157.88+533818.93, Gaia DR2 2147153176036538112, TIC 47875421, Gaia EDR3 2147153176036538112
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 18 41 57.87 (0.02) | 18 41 57.87 | 18 41 57.87 | 18 41 57.87 (0.02) | 18 41 57.87 | |||||
| Declination | 53 38 17.20 (0.03) | 53 38 17.25 | 53 38 17.20 | 53 38 18.93 (0.03) | 53 38 17.25 | |||||
| Spectral type | DA | DA | ||||||||
| Effective temperature | [K] | 19936.0 | 24178.0 | 21768.0 (254) | ||||||
| log(g) | [cgs] | 7.78 | 8.00 | 7.87 (0.01) | ||||||
| Mass | [M☉] | 0.51 | 0.605 | 0.56 (0.007) | ||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 0.0429 | 0.0270 | |||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 11.17 (0.03) | 11.17 (0.04) | 11.17 | 11.17 (0.03) | 11.17 (0.04) | ||||
| Distance | [pc] | 89.53 (0.2) | 89.52 (0.3) | 89.53 | 89.53 (0.2) | 89.52 (0.3) | ||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -4.272919112 (0.03) | -4.376943278 (0.08) | -4.273 (0.03) | -4.376943278 | |||||
| Proper motion (declination) | [mas/yr] | -108.5354682 (0.04) | -108.4985616 (0.08) | -108.535 (0.04) | -108.4985616 | |||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | 14.84 (0.01) | |||||||||
| V magnitude | 15.13 (0.05) | |||||||||
| R magnitude | 15.38 (0.1) | |||||||||
| I magnitude | ||||||||||
| J magnitude | 15.63 (0.07) | |||||||||
| H magnitude | 15.58 (0.1) | |||||||||
| K magnitude | ||||||||||
| u magnitude | ||||||||||
| g magnitude | 14.87 (0.03) | |||||||||
| r magnitude | 15.32 (0.05) | |||||||||
| i magnitude | 15.62 (0.01) | |||||||||
| z magnitude | ||||||||||
| G magnitude | 15.20 (0.002) | 15.22 | 15.20 | 15.20 (0.003) | 15.22 | |||||
| BP magnitude | 15.11 (0.002) | 15.06 | 15.06 | |||||||
| RP magnitude | 15.41 (0.002) | 15.41 | 15.41 | |||||||
| Pan g magnitude | 15.07 (0.003) | |||||||||
| Pan r magnitude | 15.42 (0.002) | |||||||||
| Pan i magnitude | 15.73 (0.002) | |||||||||
| Pan z magnitude | 15.99 (0.001) | |||||||||
| Pan y magnitude | 16.19 (0.003) | |||||||||
| E(B-V) | 0.014 | |||||||||
* 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.