All names: TIC 207465906, SBSS 1621+564, SDSS J162238.23+562243.4, GALEX J162238.2+562243, Gaia DR2 1429601481044865664, Gaia DR3 1429601481044865664, USNO-B1.0 1463-00276301, 2MASS J16223831+5622430, SBSS1621+564
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 16 22 38.25 | 16 22 38.24 (0.04) | ||
| Declination | 56 22 43.20 | 56 22 43.32 (0.04) | ||
| 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] | 0.31 (0.06) | 0.15 (0.04) | |
| Distance | [pc] | 3270.11 (653) | 6872.85 (2012) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -3.488 (0.1) | -3.432 (0.06) | |
| Proper motion (declination) | [mas/yr] | -3.601 (0.1) | -3.281 (0.06) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 16.80 | |||
| V magnitude | ||||
| R magnitude | 17.20 | |||
| I magnitude | ||||
| J magnitude | 16.40 (0.1) | 16.40 (0.1) | ||
| H magnitude | 16.40 (0.3) | 16.40 (0.3) | ||
| K magnitude | 16.12 | |||
| u magnitude | 17.41 (0.01) | 17.40 (0.01) | ||
| g magnitude | 16.40 (0.004) | 16.40 (0.004) | ||
| r magnitude | 16.64 (0.004) | 16.64 (0.004) | ||
| i magnitude | 16.83 (0.005) | 16.82 (0.005) | ||
| z magnitude | 16.98 (0.01) | 16.97 (0.01) | ||
| G magnitude | 16.55 (0.0009) | 16.53 (0.003) | ||
| BP magnitude | 16.54 (0.005) | |||
| RP magnitude | 16.50 (0.01) | |||
| Pan g magnitude | 16.46 (0.003) | |||
| Pan r magnitude | 16.64 (0.002) | |||
| Pan i magnitude | 16.83 (0.003) | |||
| Pan z magnitude | 16.99 (0.005) | |||
| Pan y magnitude | 17.00 (0.006) | |||
| E(B-V) | 0.021 | |||
* 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.