All names: Gaia EDR3 6833628112825119488, Gaia DR2 6833627739162873600, UCAC4 358-204727, 2MASS J21060578-1833093, EC 21032-1845, GALEX J210605.8-183307, Gaia DR3 6833627739162873600, BPS CS 22898-0026, EC21032-1845
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 21 06 07.02 (0.5) | 21 06 05.80 | 21 06 05.78 (0.01) | ||
| Declination | -18 32 59.83 (0.4) | -18 33 08.86 | -18 33 09.42 (0.01) | ||
| 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] | 3.27 (0.5) | 0.92 (0.03) | 0.85 (0.02) | |
| Distance | [pc] | 305.82 (49) | 1085.78 (35) | 1179.52 (22) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -3.254 (0.6) | 5.197 (0.04) | 5.142 (0.01) | |
| Proper motion (declination) | [mas/yr] | -6.852 (0.6) | -6.893 (0.03) | -6.96 (0.01) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 13.65 (0.04) | ||||
| V magnitude | 13.38 (0.01) | ||||
| R magnitude | 13.48 (0.1) | ||||
| I magnitude | |||||
| J magnitude | 12.74 (0.02) | 12.74 (0.02) | |||
| H magnitude | 12.57 (0.03) | 12.57 (0.03) | |||
| K magnitude | 12.52 (0.03) | 12.52 (0.03) | |||
| u magnitude | |||||
| g magnitude | 13.48 (0.02) | ||||
| r magnitude | 13.41 (0.01) | ||||
| i magnitude | 13.36 (0.1) | ||||
| z magnitude | |||||
| G magnitude | 20.13 (0.006) | 13.33 (0.0004) | 13.32 (0.003) | ||
| BP magnitude | 20.26 (0.09) | 13.45 (0.004) | |||
| RP magnitude | 20.00 (0.1) | 13.07 (0.001) | |||
| Pan g magnitude | 13.43 (0.02) | ||||
| Pan r magnitude | 13.40 (0.002) | ||||
| Pan i magnitude | 13.44 (0.004) | ||||
| Pan z magnitude | 13.47 (0.002) | ||||
| Pan y magnitude | 13.48 (0.005) | ||||
| E(B-V) | 0.029 | ||||
* 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.