All names: UCAC4 106-119737, EC23007-6912, Gaia DR3 6390633817137530752, EC 23007-6912, Gaia DR2 6390633817137530752, TIC 260749705, 2MASS J23040344-6855541, GALEX J230403.3-685554
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 23 04 03.22 | 23 04 03.42 (0.03) | ||
| Declination | -68 55 52.93 | -68 55 54.08 (0.03) | ||
| 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] | 0.27 (0.05) | 0.49 (0.03) | |
| Distance | [pc] | 3770.74 (758) | 2051.70 (139) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 13.404 (0.1) | 13.356 (0.03) | |
| Proper motion (declination) | [mas/yr] | -8.443 (0.09) | -8.487 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.76 (0.02) | |||
| V magnitude | 15.80 (0.02) | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 15.35 (0.06) | 15.35 (0.06) | ||
| H magnitude | 14.96 (0.09) | 14.96 (0.09) | ||
| K magnitude | 14.75 (0.1) | 14.75 (0.1) | ||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | 15.89 (0.08) | |||
| i magnitude | 16.01 (0.1) | |||
| z magnitude | ||||
| G magnitude | 15.75 (0.0009) | 15.73 (0.003) | ||
| BP magnitude | 15.68 (0.008) | |||
| RP magnitude | 15.70 (0.003) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| 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.