All names: WISE J182440.90-031959.9, UCAC4 434-076255, Gaia DR3 4269678120544342144, 2MASS J18244084-0319596, PSO J276.1702-03.3332, PN G026.9+04.4, TIC 131606143, FP J1824-0319, Gaia DR2 4269678120544342144
| Parameter | Unit | Vincent et al. 2024 | Simbad |
|---|---|---|---|
| Right ascension | 18 24 40.87 | 18 24 40.85 (0.05) | |
| Declination | -03 19 59.83 | -03 19 59.52 (0.05) | |
| Spectral type | DA | DA | |
| Effective temperature | [K] | 36402.0 (1443) | |
| log(g) | [cgs] | 7.28 (0.03) | |
| Mass | [M☉] | 0.39 (0.01) | |
| log(Luminosity) | [L☉] | ||
| Cooling age | [Gyr] | ||
| log(H/He) | |||
| log(C/He) | |||
| log(Ca/He) | |||
| log(Ca/H) | |||
| Parallax | [mas] | 5.12 | 5.12 (0.05) |
| Distance | [pc] | 195.24 | 195.24 (2) |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | 13.36 (0.06) | |
| Proper motion (declination) | [mas/yr] | -19.817 (0.05) | |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | 14.67 (0.01) | ||
| V magnitude | 14.99 (0.01) | ||
| R magnitude | 15.29 (0.09) | ||
| I magnitude | |||
| J magnitude | 15.51 (0.07) | ||
| H magnitude | 15.62 (0.1) | ||
| K magnitude | |||
| u magnitude | |||
| g magnitude | 14.75 (0.01) | ||
| r magnitude | 15.27 (0.01) | ||
| i magnitude | |||
| z magnitude | |||
| G magnitude | 14.81 | 14.81 (0.003) | |
| BP magnitude | |||
| RP magnitude | |||
| Pan g magnitude | |||
| Pan r magnitude | |||
| Pan i magnitude | |||
| Pan z magnitude | |||
| Pan y magnitude | |||
| E(B-V) | |||
* 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.