All names: GALEX J231509.8-283127, Gaia EDR3 2378323846508859904, 2QZ J231509.8-283127, Gaia DR2 2378323846508859904, Gaia DR3 2378323846508859904
| Parameter | Unit | Gaia EDR3 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 23 15 09.86 (0.4) | 23 15 09.84 (0.4) | ||
| Declination | -28 31 27.22 (0.4) | -28 31 27.35 (0.4) | ||
| Spectral type | DB | |||
| 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] | 1.83 (0.4) | 1.83 (0.4) | |
| Distance | [pc] | 547.38 (120) | 547.38 (120) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 14.269 (0.4) | 14.269 (0.4) | |
| Proper motion (declination) | [mas/yr] | 8.574 (0.4) | 8.574 (0.4) | |
| 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 | 19.78 (0.005) | 19.78 (0.005) | ||
| BP magnitude | 19.62 (0.06) | |||
| RP magnitude | 19.70 (0.1) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.010 | |||
* 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.