All names: Gaia DR3 2771763402242931072, GALEX J234520.3+153537, Gaia DR2 2771763402241213440, SDSS J234520.33+153538.2, Gaia EDR3 2771763402242931072, SDSS J234520.32+153538.2
| Parameter | Unit | Gaia EDR3 | Stilism | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|
| Right ascension | 23 45 20.32 (0.4) | 23 45 20.33 (0.4) | |||
| Declination | 15 35 37.31 (0.3) | 15 35 38.29 (0.3) | |||
| Spectral type | DA | 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] | 5.61 (0.5) | 5.61 (0.5) | ||
| Distance | [pc] | 178.32 (16) | 178.32 (16) | ||
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -9.435 (0.5) | -9.435 (0.5) | ||
| Proper motion (declination) | [mas/yr] | -61.265 (0.4) | -61.265 (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 | 20.69 (0.06) | ||||
| g magnitude | 20.16 (0.02) | ||||
| r magnitude | 19.93 (0.02) | ||||
| i magnitude | 19.82 (0.03) | ||||
| z magnitude | 19.95 (0.1) | ||||
| G magnitude | 19.92 (0.005) | 19.92 (0.005) | |||
| BP magnitude | 20.16 (0.07) | ||||
| RP magnitude | 19.54 (0.06) | ||||
| Pan g magnitude | |||||
| Pan r magnitude | |||||
| Pan i magnitude | |||||
| Pan z magnitude | |||||
| Pan y magnitude | |||||
| E(B-V) | 0.019 | ||||
* 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.