All names: TIC 159693368, 2MASS J21132277-4015193, EC21101-4027, Gaia DR3 6581669908015862656, EC 21101-4027, UCAC4 249-181234, Gaia DR2 6581669908015862656, Gaia EDR3 6581669908015862656
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 21 13 22.75 (0.04) | 21 13 22.72 | 21 13 22.74 (0.04) | ||
| Declination | -40 15 19.52 (0.03) | -40 15 19.66 | -40 15 19.32 (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] | 1.13 (0.05) | 1.24 (0.07) | 1.13 (0.05) | |
| Distance | [pc] | 887.94 (36) | 804.89 (43) | 887.94 (36) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 2.955 (0.04) | 3.009 (0.09) | 2.955 (0.04) | |
| Proper motion (declination) | [mas/yr] | -12.358 (0.04) | -12.336 (0.08) | -12.358 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 14.96 (0.02) | ||||
| V magnitude | 15.06 (0.03) | ||||
| R magnitude | 15.49 (0.1) | ||||
| I magnitude | |||||
| J magnitude | 15.33 (0.05) | 15.33 (0.05) | |||
| H magnitude | 15.43 (0.1) | 15.43 (0.1) | |||
| K magnitude | 15.35 (0.1) | 15.35 (0.1) | |||
| u magnitude | |||||
| g magnitude | 14.92 (0.01) | ||||
| r magnitude | 15.30 (0.01) | ||||
| i magnitude | 15.61 (0.07) | ||||
| z magnitude | |||||
| G magnitude | 15.08 (0.003) | 15.09 (0.0005) | 15.08 (0.003) | ||
| BP magnitude | 14.96 (0.003) | 14.92 (0.006) | |||
| RP magnitude | 15.27 (0.004) | 15.27 (0.002) | |||
| Pan g magnitude | |||||
| Pan r magnitude | |||||
| Pan i magnitude | |||||
| Pan z magnitude | |||||
| Pan y magnitude | |||||
| E(B-V) | 0.022 | ||||
* 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.