All names: Gaia DR2 788686979175755264, SDSS J112127.93+475625.4, Gaia EDR3 788686979175755264, SDSS J112127.92+475625.4, GALEX J112128.0+475626, Gaia DR3 788686979175755264
| Parameter | Unit | Gaia EDR3 | Stilism | Vincent et al. 2024 | Simbad |
|---|---|---|---|---|---|
| Right ascension | 11 21 27.91 (0.05) | 11 21 27.91 | 11 21 27.93 (0.05) | ||
| Declination | 47 56 25.47 (0.06) | 47 56 25.47 | 47 56 25.41 (0.06) | ||
| Spectral type | DB | DB | |||
| Effective temperature | [K] | 17549.0 (826) | |||
| log(g) | [cgs] | 7.95 (0.06) | |||
| Mass | [M☉] | 0.564 (0.04) | |||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 4.27 (0.09) | 4.27 | 4.27 (0.09) | |
| Distance | [pc] | 234.43 (5) | 234.43 | 234.43 (5) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -10.746 (0.05) | -10.746 (0.05) | ||
| Proper motion (declination) | [mas/yr] | 3.566 (0.06) | 3.566 (0.06) | ||
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | |||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | |||||
| H magnitude | |||||
| K magnitude | |||||
| u magnitude | 17.44 (0.01) | ||||
| g magnitude | 17.63 (0.005) | ||||
| r magnitude | 17.87 (0.006) | ||||
| i magnitude | 18.12 (0.009) | ||||
| z magnitude | 18.41 (0.03) | ||||
| G magnitude | 17.69 (0.003) | 17.69 | 17.69 (0.003) | ||
| BP magnitude | 17.62 (0.007) | ||||
| RP magnitude | 17.81 (0.01) | ||||
| Pan g magnitude | |||||
| Pan r magnitude | |||||
| Pan i magnitude | |||||
| Pan z magnitude | |||||
| Pan y magnitude | |||||
| E(B-V) | 0.016 | ||||
* 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.