All names: Gaia DR3 3863485849128162560, SDSS J102320.66+075934.0, Gaia DR2 3863485849128162560, SDSSJ102320.66+075934.0, [BGK2006] J102320.67+075934.1, GALEX J102320.6+075934, SDSS J102320.67+075934.1, SDSS J102320.66+075934.1
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 10 23 20.67 | 10 23 20.67 (0.08) | ||
| Declination | 07 59 34.08 | 07 59 34.30 (0.09) | ||
| Spectral type | sdB | sdA | ||
| 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] | 0.07 (0.2) | 0.15 (0.1) | |
| Distance | [pc] | 14025.25 (38417) | 6609.39 (4320) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -3.423 (0.2) | -3.072 (0.1) | |
| Proper motion (declination) | [mas/yr] | -7.17 (0.2) | -7.486 (0.1) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 17.31 (0.02) | |||
| H magnitude | 17.37 (0.05) | |||
| K magnitude | 17.59 (0.09) | |||
| u magnitude | 16.88 (0.007) | 16.88 (0.007) | ||
| g magnitude | 16.67 (0.004) | 16.67 (0.004) | ||
| r magnitude | 17.09 (0.005) | 17.09 (0.005) | ||
| i magnitude | 17.35 (0.006) | 17.35 (0.006) | ||
| z magnitude | 17.60 (0.01) | 17.60 (0.01) | ||
| G magnitude | 16.93 (0.002) | 16.90 (0.003) | ||
| BP magnitude | 16.82 (0.01) | |||
| RP magnitude | 17.09 (0.01) | |||
| Pan g magnitude | 16.75 (0.004) | |||
| Pan r magnitude | 17.09 (0.003) | |||
| Pan i magnitude | 17.40 (0.002) | |||
| Pan z magnitude | 17.60 (0.008) | |||
| Pan y magnitude | 17.73 (0.01) | |||
| E(B-V) | 0.025 | |||
* 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.