All names: Gaia DR3 1382353537958506240, Gaia DR2 1382353537958506240, SDSS J161823.42+431325.5, SDSS J161823.41+431325.5, GALEX J161823.4+431324
| Parameter | Unit | Stilism | Simbad |
|---|---|---|---|
| Right ascension | 16 18 23.42 (0.7) | ||
| Declination | 43 13 25.54 (0.7) | ||
| Spectral type | D | ||
| Effective temperature | [K] | ||
| log(g) | [cgs] | ||
| Mass | [M☉] | ||
| log(Luminosity) | [L☉] | ||
| Cooling age | [Gyr] | ||
| log(H/He) | |||
| log(C/He) | |||
| log(Ca/He) | |||
| log(Ca/H) | |||
| Parallax | [mas] | 2.80 (0.8) | |
| Distance | [pc] | 357.28 (106) | |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | -9.907 (1) | |
| Proper motion (declination) | [mas/yr] | -4.532 (1) | |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | |||
| V magnitude | |||
| R magnitude | |||
| I magnitude | |||
| J magnitude | |||
| H magnitude | |||
| K magnitude | |||
| u magnitude | 21.13 (0.1) | ||
| g magnitude | 20.77 (0.03) | ||
| r magnitude | 20.69 (0.03) | ||
| i magnitude | 20.76 (0.05) | ||
| z magnitude | 20.83 (0.3) | ||
| G magnitude | 20.69 (0.01) | ||
| BP magnitude | |||
| RP magnitude | |||
| Pan g magnitude | |||
| Pan r magnitude | |||
| Pan i magnitude | |||
| Pan z magnitude | |||
| Pan y magnitude | |||
| E(B-V) | 0.016 | ||
* 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.