All names: TIC 139916247, Gaia DR3 6461495073805073920, Gaia DR2 6461495073805073920, 2MASS J21483148-5327070, UCAC4 183-223356, GALEX J214831.4-532706, EC 21451-5341, Gaia EDR3 6461495073805073920, EC21451-5341
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 21 48 31.50 (0.03) | 21 48 31.48 | 21 48 31.48 (0.03) | ||
| Declination | -53 27 07.20 (0.03) | -53 27 07.02 | -53 27 07.07 (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] | 0.46 (0.05) | 0.37 (0.09) | 0.46 (0.05) | |
| Distance | [pc] | 2194.43 (257) | 2712.97 (674) | 2194.43 (257) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 9.875 (0.04) | 9.76 (0.1) | 9.875 (0.04) | |
| Proper motion (declination) | [mas/yr] | -8.523 (0.05) | -8.588 (0.1) | -8.523 (0.05) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 15.92 (0.04) | ||||
| V magnitude | 16.12 (0.09) | ||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 16.63 (0.1) | 16.63 (0.1) | |||
| H magnitude | 16.39 | ||||
| K magnitude | 16.76 | ||||
| u magnitude | |||||
| g magnitude | 15.90 (0.01) | ||||
| r magnitude | 16.38 (0.03) | ||||
| i magnitude | |||||
| z magnitude | |||||
| G magnitude | 16.09 (0.003) | 16.11 (0.002) | 16.09 (0.003) | ||
| BP magnitude | 15.95 (0.004) | 15.88 (0.009) | |||
| RP magnitude | 16.38 (0.005) | 16.37 (0.004) | |||
| Pan g magnitude | |||||
| Pan r magnitude | |||||
| Pan i magnitude | |||||
| Pan z magnitude | |||||
| Pan y magnitude | |||||
| E(B-V) | 0.014 | ||||
* 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.