All names: EC 21031-3251, TIC 92709374, 2MASS J21061015-3239054, Gaia DR3 6781157154501196288, UCAC4 287-211439, GALEX J210610.1-323906, Gaia EDR3 6781157154501196288, Gaia DR2 6781157154501196288, GALEXJ21061-3239
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 21 06 10.16 (0.02) | 21 06 10.13 | 21 06 10.14 (0.02) | ||
| Declination | -32 39 05.59 (0.02) | -32 39 05.27 | -32 39 05.49 (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] | 1.37 (0.03) | 1.34 (0.05) | 1.37 (0.03) | |
| Distance | [pc] | 730.03 (17) | 746.66 (29) | 730.03 (17) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 13.196 (0.03) | 13.155 (0.07) | 13.196 (0.03) | |
| Proper motion (declination) | [mas/yr] | -6.281 (0.03) | -6.333 (0.06) | -6.281 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 14.27 (0.02) | ||||
| V magnitude | 14.39 (0.01) | ||||
| R magnitude | 14.59 (0.1) | ||||
| I magnitude | |||||
| J magnitude | 14.70 (0.03) | 14.70 (0.03) | |||
| H magnitude | 14.76 (0.06) | 14.76 (0.06) | |||
| K magnitude | 14.67 (0.07) | 14.67 (0.07) | |||
| u magnitude | |||||
| g magnitude | 14.20 (0.01) | ||||
| r magnitude | 14.46 (0.01) | ||||
| i magnitude | 14.71 (0.01) | ||||
| z magnitude | |||||
| G magnitude | 14.30 (0.003) | 14.32 (0.0004) | 14.30 (0.003) | ||
| BP magnitude | 14.22 (0.003) | 14.16 (0.005) | |||
| RP magnitude | 14.45 (0.004) | 14.45 (0.002) | |||
| Pan g magnitude | 14.39 | ||||
| Pan r magnitude | 14.70 | ||||
| Pan i magnitude | 14.79 (0.01) | ||||
| Pan z magnitude | 15.15 | ||||
| Pan y magnitude | 15.26 | ||||
| E(B-V) | 0.072 | ||||
* 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.