All names: Gaia EDR3 6425454250879712896, TIC 1988427273, EC20432-6554, Gaia DR2 6425451364661000320, Gaia DR3 6425451364661000320
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 20 47 26.78 (0.3) | 20 47 42.73 | 20 47 42.74 (0.08) | ||
| Declination | -65 42 36.51 (0.4) | -65 43 07.36 | -65 43 07.33 (0.08) | ||
| Spectral type | sdB+G | ||||
| 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] | 1.16 (0.6) | 0.69 (0.08) | 0.56 (0.06) | |
| Distance | [pc] | 865.35 (417) | 1456.66 (177) | 1792.76 (195) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -7.44 (0.4) | 4.477 (0.4) | 3.316 (0.1) | |
| Proper motion (declination) | [mas/yr] | -0.61 (0.6) | -8.112 (0.4) | -6.835 (0.1) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | |||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 13.96 (0.03) | ||||
| H magnitude | 13.57 (0.04) | ||||
| K magnitude | 13.62 (0.05) | ||||
| u magnitude | |||||
| g magnitude | |||||
| r magnitude | |||||
| i magnitude | |||||
| z magnitude | |||||
| G magnitude | 20.39 (0.005) | 15.62 (0.002) | 15.63 (0.003) | ||
| BP magnitude | 20.84 (0.08) | 14.98 (0.01) | |||
| RP magnitude | 19.94 (0.06) | 14.45 (0.01) | |||
| Pan g magnitude | |||||
| Pan r magnitude | |||||
| Pan i magnitude | |||||
| Pan z magnitude | |||||
| Pan y magnitude | |||||
| E(B-V) | 0.029 | ||||
* 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.