All names: Gaia DR2 2328540708782274560, Gaia EDR3 2328540708782274560, 2QZ J233037.3-313242, GALEX J233037.4-313242, Gaia DR3 2328540708782274560
| Parameter | Unit | Gaia EDR3 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 23 30 37.47 (0.5) | 23 30 37.43 (0.5) | ||
| Declination | -31 32 42.50 (0.7) | -31 32 42.47 (0.7) | ||
| 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] | 3.42 (0.6) | 3.42 (0.6) | |
| Distance | [pc] | 292.41 (52) | 292.41 (52) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 28.39 (0.5) | 28.39 (0.5) | |
| Proper motion (declination) | [mas/yr] | -1.901 (0.7) | -1.901 (0.7) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | ||||
| H magnitude | ||||
| K magnitude | ||||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 20.23 (0.007) | 20.23 (0.007) | ||
| BP magnitude | 20.14 (0.07) | |||
| RP magnitude | 20.22 (0.1) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.009 | |||
* 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.