All names: 2QZ J215747.2-280830, Gaia DR3 6617937466559717248, Gaia EDR3 6617937466559717248, Gaia DR2 6617937466559717248
| Parameter | Unit | Gaia EDR3 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 21 57 47.32 (0.5) | 21 57 47.29 (0.5) | ||
| Declination | -28 08 29.67 (0.3) | -28 08 29.46 (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] | 2.03 (0.7) | 2.03 (0.7) | |
| Distance | [pc] | 493.75 (164) | 493.75 (164) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 20.508 (0.6) | 20.508 (0.6) | |
| Proper motion (declination) | [mas/yr] | -13.016 (0.4) | -13.016 (0.4) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 20.12 | |||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | ||||
| H magnitude | ||||
| K magnitude | ||||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 20.14 (0.005) | 20.14 (0.005) | ||
| BP magnitude | 20.29 (0.05) | |||
| RP magnitude | 19.87 (0.07) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.018 | |||
* 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.