All names: HS2208+2718, Gaia DR3 1892475088698125824, Gaia DR2 1892475088698125824, HS 2208+2718, TIC 27802258, 2MASS J22103694+2732513, GALEX J221036.9+273251, UCAC2 41637536, UCAC4 588-129760
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 22 10 36.91 | 22 10 36.93 (0.03) | ||
| Declination | 27 32 51.74 | 27 32 51.23 (0.03) | ||
| Spectral type | sdB | sdB | ||
| Effective temperature | [K] | 29500.0 (800) | ||
| log(g) | [cgs] | 5.50 (0.1) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.62 (0.07) | 0.64 (0.04) | |
| Distance | [pc] | 1622.59 (178) | 1563.48 (96) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 5.24 (0.1) | 5.432 (0.04) | |
| Proper motion (declination) | [mas/yr] | -5.167 (0.1) | -5.078 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.11 (0.06) | |||
| V magnitude | 15.25 (0.07) | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 15.77 (0.07) | 15.77 (0.07) | ||
| H magnitude | 16.15 (0.2) | 16.15 (0.2) | ||
| K magnitude | 16.10 | |||
| u magnitude | 14.87 (0.004) | |||
| g magnitude | 15.01 (0.003) | 15.07 (0.05) | ||
| r magnitude | 15.47 (0.004) | 15.48 (0.05) | ||
| i magnitude | 15.78 (0.004) | 15.84 (0.09) | ||
| z magnitude | 16.06 (0.007) | |||
| G magnitude | 15.28 (0.0008) | 15.26 (0.003) | ||
| BP magnitude | 15.13 (0.006) | |||
| RP magnitude | 15.47 (0.003) | |||
| Pan g magnitude | 15.13 (0.005) | |||
| Pan r magnitude | 15.48 (0.002) | |||
| Pan i magnitude | 15.80 (0.002) | |||
| Pan z magnitude | 16.05 (0.002) | |||
| Pan y magnitude | 16.22 (0.005) | |||
| E(B-V) | 0.064 | |||
* 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.