All names: Gaia EDR3 1381312820138258944, WDJ162259.79+420644.43, NLTT 42676, Gaia DR3 1381312820138258944, ** LDS 4663B, WDS J16231+4206B, Gaia DR2 1381312820138258944, LSPM J1622+4206E, LP 225-17
| Parameter | Unit | Gaia EDR3 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|
| Right ascension | 16 22 59.33 (0.1) | 16 22 59.33 | 16 22 59.79 (0.1) | 16 22 59.34 | ||
| Declination | 42 06 48.97 (0.1) | 42 06 48.97 | 42 06 44.43 (0.1) | 42 06 48.83 | ||
| Spectral type | DA: | DA | ||||
| Effective temperature | [K] | 4267.0 (103) | ||||
| log(g) | [cgs] | 7.79 (0.05) | ||||
| Mass | [M☉] | 0.455 (0.04) | ||||
| log(Luminosity) | [L☉] | |||||
| Cooling age | [Gyr] | |||||
| log(H/He) | ||||||
| log(C/He) | ||||||
| log(Ca/He) | ||||||
| log(Ca/H) | ||||||
| Parallax | [mas] | 22.66 (0.1) | 22.66 | 22.66 (0.1) | 22.75 (0.2) | |
| Distance | [pc] | 44.13 (0.3) | 44.13 | 44.13 (0.3) | 43.95 (0.3) | |
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | -318.434 (0.1) | -318.434 (0.1) | -318.3622803 | ||
| Proper motion (declination) | [mas/yr] | 283.674 (0.2) | 283.674 (0.2) | 283.5886811 | ||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | ||||||
| B magnitude | ||||||
| V magnitude | ||||||
| R magnitude | ||||||
| I magnitude | ||||||
| J magnitude | ||||||
| H magnitude | ||||||
| K magnitude | ||||||
| u magnitude | 21.89 (0.2) | |||||
| g magnitude | 19.62 (0.01) | |||||
| r magnitude | 18.56 (0.009) | |||||
| i magnitude | 18.08 (0.01) | |||||
| z magnitude | 17.84 (0.02) | |||||
| G magnitude | 18.64 (0.003) | 18.64 | 18.64 (0.003) | 18.66 | ||
| BP magnitude | 19.20 (0.05) | 19.22 | ||||
| RP magnitude | 17.73 (0.02) | 17.72 | ||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| E(B-V) | 0.006 | |||||
* 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.