All names: UVEX J204751.27+442920.1, UGPS J204751.27+442920.2, Gaia DR2 2067125020351532800, Gaia DR3 2067125020351532800, Gaia EDR3 2067125020351532800
| Parameter | Unit | Gaia EDR3 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 20 47 51.27 (0.3) | 20 47 51.27 (0.3) | ||
| Declination | 44 29 20.03 (0.3) | 44 29 20.18 (0.3) | ||
| Spectral type | DA | |||
| 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] | 2.31 (0.4) | 2.31 (0.4) | |
| Distance | [pc] | 433.46 (72) | 433.46 (72) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 1.022 (0.4) | 1.022 (0.4) | |
| Proper motion (declination) | [mas/yr] | -9.546 (0.4) | -9.546 (0.4) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 17.95 (0.03) | |||
| H magnitude | 16.95 (0.02) | |||
| K magnitude | 16.36 (0.04) | |||
| u magnitude | ||||
| g magnitude | 19.96 | |||
| r magnitude | 20.00 | |||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 19.94 (0.005) | 19.94 (0.005) | ||
| BP magnitude | 20.00 (0.04) | |||
| RP magnitude | 19.84 (0.06) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.057 | |||
* 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.