All names: Gaia DR3 85707760314515712, WISE J022619.87+180729.8, 2MASS J02261989+1807296, TIC 246982601, LAMOST J022619.89+180729.6, LAMOSTJ022619.89+180729.6, CHSS 3450, GALEX J022619.8+180728, UCAC4 541-004434, Gaia DR2 85707760314515712
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 02 26 19.89 | 02 26 19.89 (0.04) | ||
| Declination | 18 07 29.68 | 18 07 29.69 (0.02) | ||
| Spectral type | sdOB | sdB/sdO | ||
| Effective temperature | [K] | 37867.0 (430) | ||
| log(g) | [cgs] | 6.00 (0.09) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 1.49 (0.06) | 1.47 (0.04) | |
| Distance | [pc] | 672.45 (28) | 681.99 (18) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -2.847 (0.09) | -2.88 (0.04) | |
| Proper motion (declination) | [mas/yr] | -5.617 (0.07) | -5.514 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 14.97 (0.01) | |||
| V magnitude | 14.85 (0.03) | |||
| R magnitude | 15.13 (0.1) | |||
| I magnitude | ||||
| J magnitude | 14.93 (0.04) | 14.93 (0.04) | ||
| H magnitude | 15.00 (0.07) | 15.00 (0.07) | ||
| K magnitude | 15.04 (0.1) | 15.04 (0.1) | ||
| u magnitude | ||||
| g magnitude | 14.85 (0.02) | |||
| r magnitude | 14.99 (0.05) | |||
| i magnitude | 15.07 (0.1) | |||
| z magnitude | ||||
| G magnitude | 14.85 (0.0006) | 14.82 (0.003) | ||
| BP magnitude | 14.80 (0.006) | |||
| RP magnitude | 14.82 (0.004) | |||
| Pan g magnitude | 14.80 (0.003) | |||
| Pan r magnitude | 14.96 (0.001) | |||
| Pan i magnitude | 15.15 (0.002) | |||
| Pan z magnitude | 15.30 (0.002) | |||
| Pan y magnitude | 15.42 (0.004) | |||
| E(B-V) | 0.084 | |||
* 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.