All names: LAMOST J040334.66+260359.4, UCAC4 581-010067, LAMOST J040334.66+260359.6, Gaia DR2 162510331145182976, GALEXJ04035+2603, 2MASS J04033466+2603596, GALEX J040334.6+260359, Cl* Melotte 22 AK IV-859, Gaia DR3 162510331145182976
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 04 03 34.70 | 04 03 34.67 (0.03) | ||
| Declination | 26 03 59.44 | 26 03 59.46 (0.02) | ||
| Spectral type | sdB+MS | sdB+F7V | ||
| 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] | 2.33 (0.06) | 2.29 (0.04) | |
| Distance | [pc] | 429.61 (12) | 436.43 (7) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 3.475 (0.09) | 2.668 (0.04) | |
| Proper motion (declination) | [mas/yr] | -43.773 (0.05) | -43.395 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 12.58 (0.02) | |||
| V magnitude | 12.40 (0.04) | |||
| R magnitude | 12.41 (0.06) | |||
| I magnitude | ||||
| J magnitude | 11.57 (0.02) | 11.57 (0.02) | ||
| H magnitude | 11.35 (0.02) | 11.35 (0.02) | ||
| K magnitude | 11.26 (0.02) | 11.26 (0.02) | ||
| u magnitude | ||||
| g magnitude | 12.44 (0.01) | |||
| r magnitude | 12.40 (0.04) | |||
| i magnitude | 12.37 (0.03) | |||
| z magnitude | ||||
| G magnitude | 12.29 (0.0004) | 12.27 (0.003) | ||
| BP magnitude | 12.37 (0.003) | |||
| RP magnitude | 12.02 (0.002) | |||
| Pan g magnitude | 12.48 (0.001) | |||
| Pan r magnitude | 12.39 (0.1) | |||
| Pan i magnitude | 12.54 (0.01) | |||
| Pan z magnitude | 13.23 (0.1) | |||
| Pan y magnitude | 12.40 (0.004) | |||
| E(B-V) | 0.194 | |||
* 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.