All names: Gaia DR2 6410174234706951808, Gaia EDR3 6410174234706951808, 2MASS J21451796-6014097, Gaia DR3 6410174234706951808, EC21416-6027, UCAC4 149-219185, GALEX J214517.9-601410, EC 21416-6027, TIC 406280906
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 21 45 17.98 (0.02) | 21 45 17.96 | 21 45 17.98 (0.02) | ||
| Declination | -60 14 09.61 (0.02) | -60 14 09.17 | -60 14 09.53 (0.02) | ||
| 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] | 1.05 (0.03) | 0.93 (0.05) | 1.05 (0.03) | |
| Distance | [pc] | 952.29 (28) | 1072.50 (56) | 952.29 (28) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -0.329 (0.03) | -0.238 (0.08) | -0.329 (0.03) | |
| Proper motion (declination) | [mas/yr] | -4.674 (0.03) | -4.883 (0.09) | -4.674 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 14.09 | ||||
| V magnitude | 14.38 (0.06) | ||||
| R magnitude | 14.91 (0.2) | ||||
| I magnitude | |||||
| J magnitude | 15.01 (0.04) | 15.01 (0.04) | |||
| H magnitude | 15.23 (0.1) | 15.23 (0.1) | |||
| K magnitude | 14.96 (0.1) | 14.96 (0.1) | |||
| u magnitude | |||||
| g magnitude | 14.13 (0.01) | ||||
| r magnitude | 14.58 (0.02) | ||||
| i magnitude | 14.97 (0.01) | ||||
| z magnitude | |||||
| G magnitude | 14.32 (0.003) | 14.34 (0.0006) | 14.32 (0.003) | ||
| BP magnitude | 14.17 (0.003) | 14.10 (0.01) | |||
| RP magnitude | 14.62 (0.004) | 14.61 (0.003) | |||
| Pan g magnitude | |||||
| Pan r magnitude | |||||
| Pan i magnitude | |||||
| Pan z magnitude | |||||
| Pan y magnitude | |||||
| E(B-V) | 0.017 | ||||
* 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.