All names: HIP 106917, HE 2135-4619, TIC 147283842, CPD-46 10262, Gaia DR3 6563704506492363392, FB 178, GEN# +1.00205805, HIC 106917, 2MASS J21391060-4605515, PPM 327414, GSC 08424-01008, uvby98 100205805, TYC 8424-1008-1, HD205805, SAO 230769, TD1 28298, Gaia DR2 6563704506492363392, HD 205805, CD-46 14026, CPC 0 19489, EC 21359-4619
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 21 39 10.60 | 21 39 10.62 (0.04) | ||
| Declination | -46 05 51.50 | -46 05 51.53 (0.03) | ||
| Spectral type | sdB | sdB | ||
| Effective temperature | [K] | 25000.0 | ||
| log(g) | [cgs] | 5.00 | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 4.17 (0.06) | 4.11 (0.05) | |
| Distance | [pc] | 239.91 (4) | 243.09 (3) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 77.226 (0.09) | 77.294 (0.05) | |
| Proper motion (declination) | [mas/yr] | -8.99 (0.1) | -8.977 (0.05) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 9.98 | |||
| V magnitude | 10.21 | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 10.69 (0.02) | 10.69 (0.02) | ||
| H magnitude | 10.88 (0.02) | 10.88 (0.02) | ||
| K magnitude | 10.93 (0.02) | 10.93 (0.02) | ||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 10.15 (0.0007) | 10.14 (0.003) | ||
| BP magnitude | 10.02 (0.002) | |||
| RP magnitude | 10.40 (0.001) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.009 | |||
* 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.