All names: Gaia EDR3 1762118192700900736, GALEX J204201.8+135116, SDSS J204201.93+135114.9, SDSSJ204201.93+135114.9, Gaia DR2 1762118192700900736, SDSS J204201.94+135114.9, Gaia DR3 1762118192700900736, PN G058.8-16.9
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 20 42 01.93 (0.03) | 20 42 01.94 | 20 42 01.94 (0.03) | ||
| Declination | 13 51 14.98 (0.03) | 13 51 14.99 | 13 51 14.91 (0.03) | ||
| Spectral type | sd | 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] | 0.78 (0.04) | 0.81 (0.05) | 0.78 (0.04) | |
| Distance | [pc] | 1277.63 (70) | 1242.08 (77) | 1277.63 (70) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -6.272 (0.05) | -6.241 (0.08) | -6.272 (0.05) | |
| Proper motion (declination) | [mas/yr] | 4.574 (0.04) | 4.627 (0.06) | 4.574 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | |||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 16.25 (0.08) | ||||
| H magnitude | 16.50 (0.2) | ||||
| K magnitude | 15.92 | ||||
| u magnitude | 14.87 (0.004) | 14.87 (0.004) | |||
| g magnitude | 15.29 (0.003) | 15.29 (0.003) | |||
| r magnitude | 15.82 (0.004) | 15.82 (0.004) | |||
| i magnitude | 16.19 (0.004) | 16.19 (0.004) | |||
| z magnitude | 16.45 (0.008) | 16.45 (0.008) | |||
| G magnitude | 15.57 (0.003) | 15.58 (0.0006) | 15.57 (0.003) | ||
| BP magnitude | 15.41 (0.003) | 15.34 (0.005) | |||
| RP magnitude | 15.87 (0.005) | 15.86 (0.003) | |||
| Pan g magnitude | 15.43 (0.002) | ||||
| Pan r magnitude | 15.85 (0.003) | ||||
| Pan i magnitude | 16.20 (0.005) | ||||
| Pan z magnitude | 16.48 (0.004) | ||||
| Pan y magnitude | 16.67 (0.006) | ||||
| E(B-V) | 0.082 | ||||
* 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.