All names: TIC 25534693, Gaia DR2 1943261255910215552, 2MASS J23280603+5037170, GALEX J232806.0+503717, SDSSJ232806.04+503717.1, SDSS J232806.04+503717.1, Gaia DR3 1943261255910215552
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 23 28 06.05 | 23 28 06.05 (0.04) | ||
| Declination | 50 37 17.15 | 50 37 17.17 (0.04) | ||
| Spectral type | sd | sdB+F5V | ||
| 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] | 0.15 (0.08) | 0.21 (0.06) | |
| Distance | [pc] | 6535.95 (3430) | 4835.59 (1375) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -3.343 (0.1) | -3.517 (0.05) | |
| Proper motion (declination) | [mas/yr] | -3.644 (0.1) | -3.749 (0.05) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 16.13 (0.1) | 16.13 (0.1) | ||
| H magnitude | 15.52 (0.1) | 15.52 (0.1) | ||
| K magnitude | 15.52 | |||
| u magnitude | 17.19 (0.008) | 17.20 (0.01) | ||
| g magnitude | 16.83 (0.004) | 16.84 (0.009) | ||
| r magnitude | 16.75 (0.005) | 16.75 (0.007) | ||
| i magnitude | 16.75 (0.005) | 16.75 (0.01) | ||
| z magnitude | 16.76 (0.01) | 16.74 (0.02) | ||
| G magnitude | 16.71 (0.0009) | 16.70 (0.003) | ||
| BP magnitude | 16.82 (0.005) | |||
| RP magnitude | 16.42 (0.005) | |||
| Pan g magnitude | 16.85 (0.004) | |||
| Pan r magnitude | 16.78 (0.002) | |||
| Pan i magnitude | 16.77 (0.002) | |||
| Pan z magnitude | 16.80 (0.003) | |||
| Pan y magnitude | 16.82 (0.004) | |||
| E(B-V) | 0.146 | |||
* 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.