All names: BPS CS 22950-0180, Gaia DR3 6863440653353666048, EC 20327-1510, 2MASS J20353464-1459511, UCAC4 376-172342, EC20327-1510, Gaia DR2 6863440653353666048, Gaia EDR3 6863440653353666048
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 20 35 34.64 (0.04) | 20 35 34.67 | 20 35 34.64 (0.04) | ||
| Declination | -14 59 51.06 (0.03) | -14 59 50.39 | -14 59 51.00 (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] | 0.77 (0.04) | 0.80 (0.07) | 0.77 (0.04) | |
| Distance | [pc] | 1292.32 (75) | 1254.23 (107) | 1292.32 (75) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -3.851 (0.04) | -3.946 (0.1) | -3.851 (0.04) | |
| Proper motion (declination) | [mas/yr] | -3.968 (0.03) | -4.008 (0.07) | -3.968 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 14.83 | ||||
| V magnitude | 15.27 | ||||
| R magnitude | 15.14 (0.09) | ||||
| I magnitude | |||||
| J magnitude | 15.65 (0.06) | 15.65 (0.06) | |||
| H magnitude | 15.88 (0.2) | 15.88 (0.2) | |||
| K magnitude | 15.06 | ||||
| u magnitude | 14.50 (0.004) | ||||
| g magnitude | 14.74 (0.003) | ||||
| r magnitude | 15.24 (0.003) | ||||
| i magnitude | 15.57 (0.004) | ||||
| z magnitude | 15.86 (0.007) | ||||
| G magnitude | 15.00 (0.003) | 15.01 (0.0007) | 15.00 (0.003) | ||
| BP magnitude | 14.86 (0.003) | 14.77 (0.008) | |||
| RP magnitude | 15.27 (0.004) | 15.27 (0.003) | |||
| Pan g magnitude | 14.86 (0.004) | ||||
| Pan r magnitude | 15.26 (0.004) | ||||
| Pan i magnitude | 15.61 (0.002) | ||||
| Pan z magnitude | 15.88 (0.003) | ||||
| Pan y magnitude | 16.03 (0.006) | ||||
| E(B-V) | 0.055 | ||||
* 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.