All names: TIC 968226, PHL211, uvby98 610160211, PHL 211, UCAC4 398-135465, Gaia EDR3 2617039266987434624, Gaia DR3 2617039266987434624, 2MASS J21551708-1025025, Gaia DR2 2617039266987434624
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 21 55 17.10 (0.03) | 21 55 17.10 | 21 55 17.09 (0.03) | ||
| Declination | -10 25 02.59 (0.03) | -10 25 02.20 | -10 25 02.49 (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] | 1.00 (0.04) | 1.14 (0.07) | 1.00 (0.04) | |
| Distance | [pc] | 1001.20 (43) | 876.50 (53) | 1001.20 (43) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 12.082 (0.04) | 12.266 (0.1) | 12.082 (0.04) | |
| Proper motion (declination) | [mas/yr] | -6.34 (0.03) | -6.285 (0.1) | -6.34 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 14.03 (0.04) | ||||
| V magnitude | 14.20 (0.02) | ||||
| R magnitude | 14.41 (0.09) | ||||
| I magnitude | |||||
| J magnitude | 14.82 (0.04) | 14.82 (0.04) | |||
| H magnitude | 14.91 (0.08) | 14.91 (0.08) | |||
| K magnitude | 14.93 (0.1) | 14.93 (0.1) | |||
| u magnitude | |||||
| g magnitude | 14.02 (0.04) | ||||
| r magnitude | 14.40 (0.04) | ||||
| i magnitude | 14.75 (0.01) | ||||
| z magnitude | |||||
| G magnitude | 14.16 (0.003) | 14.17 (0.001) | 14.16 (0.003) | ||
| BP magnitude | 14.02 (0.003) | 13.97 (0.01) | |||
| RP magnitude | 14.42 (0.004) | 14.42 (0.004) | |||
| Pan g magnitude | 13.99 (0.005) | ||||
| Pan r magnitude | 14.41 (0.004) | ||||
| Pan i magnitude | 14.77 (0.004) | ||||
| Pan z magnitude | 15.02 (0.004) | ||||
| Pan y magnitude | 15.19 (0.006) | ||||
| E(B-V) | 0.035 | ||||
* 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.