All names: Gaia EDR3 4593168460209044352, GALEX J182310.0+333353, Gaia DR3 4593168460209044352, TIC 23539238, UCAC2 43639384, UCAC4 618-062315, WISE J182310.17+333353.7, WISEA J182310.16+333353.7, O11J182310+333355, Gaia DR2 4593168460209044352, 2MASS J18231017+3333536, GALEX J182310.0+333354
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 18 23 10.16 (0.02) | 18 23 10.00 | 18 23 10.16 (0.02) | ||
| Declination | 33 33 53.68 (0.03) | 33 33 55.00 | 33 33 53.73 (0.03) | ||
| Spectral type | sd | ||||
| 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] | 0.70 (0.03) | 0.68 (0.05) | 0.70 (0.03) | |
| Distance | [pc] | 1433.08 (59) | 1479.07 (100) | 1433.08 (59) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -3.822 (0.03) | -3.874 (0.07) | -3.822 (0.03) | |
| Proper motion (declination) | [mas/yr] | -2.953 (0.03) | -2.956 (0.08) | -2.953 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | |||||
| V magnitude | |||||
| R magnitude | 15.31 (0.1) | ||||
| I magnitude | |||||
| J magnitude | 15.66 (0.05) | 15.66 (0.05) | |||
| H magnitude | 15.56 (0.1) | 15.56 (0.1) | |||
| K magnitude | 15.99 (0.2) | 15.99 (0.2) | |||
| u magnitude | |||||
| g magnitude | |||||
| r magnitude | |||||
| i magnitude | |||||
| z magnitude | |||||
| G magnitude | 15.04 (0.003) | 15.06 (0.0007) | 15.04 (0.003) | ||
| BP magnitude | 14.92 (0.003) | 14.87 (0.006) | |||
| RP magnitude | 15.28 (0.004) | 15.27 (0.004) | |||
| Pan g magnitude | 14.88 (0.004) | ||||
| Pan r magnitude | 15.28 (0.003) | ||||
| Pan i magnitude | 15.61 (0.001) | ||||
| Pan z magnitude | 15.87 (0.008) | ||||
| Pan y magnitude | 16.04 (0.006) | ||||
| E(B-V) | 0.051 | ||||
* 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.