All names: Gaia EDR3 4000810930131778688, Gaia DR3 4000810930131778688, [BGK2006] J115520.95+224754.6, SDSS J115520.95+224754.5, GALEX J115520.9+224755, Gaia DR2 4000810930131778688
| Parameter | Unit | Gaia EDR3 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 11 55 20.95 (0.4) | 11 55 20.94 (0.4) | ||
| Declination | 22 47 54.53 (0.2) | 22 47 54.45 (0.2) | ||
| 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] | 1.94 (0.4) | 1.94 (0.4) | |
| Distance | [pc] | 514.27 (104) | 514.27 (104) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 3.932 (0.4) | 3.932 (0.4) | |
| Proper motion (declination) | [mas/yr] | 5.298 (0.3) | 5.298 (0.3) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | ||||
| H magnitude | ||||
| K magnitude | ||||
| u magnitude | 19.83 (0.04) | |||
| g magnitude | 19.42 (0.01) | |||
| r magnitude | 19.72 (0.02) | |||
| i magnitude | 19.94 (0.03) | |||
| z magnitude | 20.10 (0.1) | |||
| G magnitude | 19.58 (0.004) | 19.58 (0.004) | ||
| BP magnitude | 19.62 (0.04) | |||
| RP magnitude | 19.76 (0.06) | |||
| 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.