All names: 2MASS J23381209-1958433, EC 23355-2015, GD 1319, GALEX J233812.0-195843, EC23355-2015, UCAC4 351-195527, Gaia DR2 2389080300043998208, Gaia DR3 2389080300043998208, TIC 89467049
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 23 38 12.03 | 23 38 12.10 (0.04) | ||
| Declination | -19 58 43.68 | -19 58 43.37 (0.04) | ||
| Spectral type | sdB | 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] | 0.28 (0.07) | 0.45 (0.05) | |
| Distance | [pc] | 3610.11 (947) | 2220.74 (236) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 0.638 (0.1) | 0.176 (0.05) | |
| Proper motion (declination) | [mas/yr] | -12.93 (0.09) | -13.227 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.80 | |||
| V magnitude | ||||
| R magnitude | 15.66 | |||
| I magnitude | ||||
| J magnitude | 15.50 (0.06) | 15.50 (0.06) | ||
| H magnitude | 15.28 (0.07) | 15.28 (0.07) | ||
| K magnitude | 15.23 (0.2) | 15.23 (0.2) | ||
| u magnitude | 15.78 (0.005) | |||
| g magnitude | 15.73 (0.003) | |||
| r magnitude | 15.95 (0.004) | |||
| i magnitude | 16.04 (0.005) | |||
| z magnitude | 16.14 (0.009) | |||
| G magnitude | 15.85 (0.001) | 15.83 (0.003) | ||
| BP magnitude | 15.83 (0.009) | |||
| RP magnitude | 15.76 (0.004) | |||
| Pan g magnitude | 15.84 (0.002) | |||
| Pan r magnitude | 15.98 (0.002) | |||
| Pan i magnitude | 16.09 (0.003) | |||
| Pan z magnitude | 16.19 (0.008) | |||
| Pan y magnitude | 16.23 (0.003) | |||
| E(B-V) | 0.019 | |||
* 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.