All names: Gaia DR2 1762792433845925248, Gaia DR3 1762792433845925248, GALEX J205236.1+154050, SDSSJ205236.09+154050.4, TIC 291368849, 2MASS J20523609+1540505, SDSS J205236.09+154050.4
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 20 52 36.10 | 20 52 36.10 (0.02) | ||
| Declination | 15 40 50.48 | 15 40 50.47 (0.02) | ||
| Spectral type | sd | sd+F/K | ||
| 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] | 0.37 (0.05) | 0.32 (0.03) | |
| Distance | [pc] | 2712.23 (381) | 3148.61 (339) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -4.399 (0.08) | -4.391 (0.03) | |
| Proper motion (declination) | [mas/yr] | -6.548 (0.08) | -6.558 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 14.94 (0.04) | 14.94 (0.04) | ||
| H magnitude | 14.72 (0.06) | 14.72 (0.06) | ||
| K magnitude | 14.69 (0.1) | 14.69 (0.1) | ||
| u magnitude | 15.89 (0.005) | 15.89 (0.01) | ||
| g magnitude | 15.41 (0.003) | 15.38 (0.004) | ||
| r magnitude | 15.43 (0.003) | 15.42 (0.04) | ||
| i magnitude | 15.53 (0.004) | 15.49 (0.03) | ||
| z magnitude | 15.56 (0.006) | 15.55 (0.01) | ||
| G magnitude | 15.40 (0.0005) | 15.38 (0.003) | ||
| BP magnitude | 15.47 (0.003) | |||
| RP magnitude | 15.19 (0.003) | |||
| Pan g magnitude | 15.45 (0.001) | |||
| Pan r magnitude | 15.46 (0.002) | |||
| Pan i magnitude | 15.54 (0.001) | |||
| Pan z magnitude | 15.62 (0.01) | |||
| Pan y magnitude | 15.65 (0.003) | |||
| E(B-V) | 0.066 | |||
* 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.