All names: UCAC4 347-192054, Gaia DR3 2398506825545940352, EC22583-2101, 2MASS J23010384-2045095, GALEX J230103.8-204509, EC 22583-2101, Gaia DR2 2398506825545940352, TIC 204293150
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 23 01 03.80 | 23 01 03.84 (0.05) | ||
| Declination | -20 45 09.07 | -20 45 09.67 (0.05) | ||
| 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] | 0.45 (0.08) | 0.48 (0.06) | |
| Distance | [pc] | 2207.02 (394) | 2070.82 (248) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 9.928 (0.1) | 10.187 (0.07) | |
| Proper motion (declination) | [mas/yr] | -6.083 (0.2) | -6.033 (0.06) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 16.15 (0.07) | |||
| V magnitude | 16.10 (0.1) | |||
| R magnitude | 16.11 (0.1) | |||
| I magnitude | ||||
| J magnitude | 15.71 (0.06) | 15.71 (0.06) | ||
| H magnitude | 15.35 (0.1) | 15.35 (0.1) | ||
| K magnitude | 15.09 (0.1) | 15.09 (0.1) | ||
| u magnitude | ||||
| g magnitude | 16.08 (0.1) | |||
| r magnitude | 16.23 (0.02) | |||
| i magnitude | 16.48 (0.01) | |||
| z magnitude | ||||
| G magnitude | 16.08 (0.002) | 16.05 (0.003) | ||
| BP magnitude | 16.02 (0.01) | |||
| RP magnitude | 16.00 (0.006) | |||
| Pan g magnitude | 16.06 (0.003) | |||
| Pan r magnitude | 16.23 (0.003) | |||
| Pan i magnitude | 16.33 (0.004) | |||
| Pan z magnitude | 16.42 (0.004) | |||
| Pan y magnitude | 16.45 (0.008) | |||
| E(B-V) | 0.015 | |||
* 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.