All names: GALEX J214156.8-291628, ATO J325.4867-29.2751, TIC 209393544, EC 21390-2930, Gaia DR3 6785706005902423680, TYC 6952-17-1, Gaia DR2 6785706005902423680, EC21390-2930, 2MASS J21415681-2916305
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 21 41 56.80 | 21 41 56.81 (0.04) | ||
| Declination | -29 16 30.65 | -29 16 30.60 (0.03) | ||
| Spectral type | sdB+F | sdB+F | ||
| 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] | 1.76 (0.08) | 1.68 (0.05) | |
| Distance | [pc] | 567.38 (25) | 596.13 (19) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 26.107 (0.1) | 25.795 (0.05) | |
| Proper motion (declination) | [mas/yr] | -12.71 (0.1) | -12.992 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 12.37 (0.2) | |||
| V magnitude | 12.49 (0.2) | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 13.41 (0.02) | 13.41 (0.02) | ||
| H magnitude | 13.49 (0.03) | 13.49 (0.03) | ||
| K magnitude | 13.57 (0.04) | 13.57 (0.04) | ||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 12.83 (0.002) | 12.80 (0.003) | ||
| BP magnitude | 12.64 (0.01) | |||
| RP magnitude | 13.04 (0.009) | |||
| Pan g magnitude | 12.53 | |||
| Pan r magnitude | 13.00 | |||
| Pan i magnitude | 13.36 | |||
| Pan z magnitude | 13.66 (0.02) | |||
| Pan y magnitude | 13.83 (0.002) | |||
| E(B-V) | 0.032 | |||
* 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.