All names: TIC 128438750, Gaia DR2 1904345106994620672, GALEXJ22348+3611, Gaia DR3 1904345106994620672, SDSS J223452.78+361104.9, GALEX J223452.9+361104, UCAC4 631-131013, WISE J223452.77+361105.0, WISEA J223452.77+361104.9, 2MASS J22345279+3611050, UCAC2 44587146
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 22 34 52.91 | 22 34 52.79 (0.01) | ||
| Declination | 36 11 04.95 | 36 11 05.04 (0.02) | ||
| Spectral type | sdB+MS | sdB+? | ||
| 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] | 1.30 (0.04) | 1.41 (0.02) | |
| Distance | [pc] | 769.70 (21) | 711.69 (12) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -2.191 (0.06) | -1.905 (0.02) | |
| Proper motion (declination) | [mas/yr] | -16.938 (0.06) | -17.505 (0.02) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 14.14 (0.1) | |||
| V magnitude | 13.95 (0.09) | |||
| R magnitude | 14.04 (0.1) | |||
| I magnitude | ||||
| J magnitude | 13.22 (0.03) | 13.22 (0.03) | ||
| H magnitude | 12.91 (0.02) | 12.91 (0.02) | ||
| K magnitude | 12.83 (0.02) | 12.83 (0.02) | ||
| u magnitude | 14.40 (0.005) | |||
| g magnitude | 14.15 (0.003) | 13.97 (0.1) | ||
| r magnitude | 13.92 (0.08) | |||
| i magnitude | 15.83 (0.01) | 13.89 (0.09) | ||
| z magnitude | 14.08 (0.006) | |||
| G magnitude | 13.85 (0.0006) | 13.84 (0.003) | ||
| BP magnitude | 13.94 (0.004) | |||
| RP magnitude | 13.60 (0.003) | |||
| Pan g magnitude | 13.98 (0.005) | |||
| Pan r magnitude | 13.96 (0.001) | |||
| Pan i magnitude | 13.95 (0.003) | |||
| Pan z magnitude | 13.97 (0.004) | |||
| Pan y magnitude | 13.97 (0.003) | |||
| E(B-V) | 0.091 | |||
* 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.