All names: KPD0106+5227, KPD 0106+5227, UCAC4 714-009150, TIC 240892616, LAMOST J010903.17+524348.2, 2MASS J01090328+5243493, GALEX J010903.2+524348, Gaia DR2 404959035980962944, Gaia DR3 404959035980962944
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 01 09 03.25 | 01 09 03.29 (0.02) | ||
| Declination | 52 43 48.25 | 52 43 49.33 (0.02) | ||
| 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] | 0.58 (0.06) | 0.53 (0.03) | |
| Distance | [pc] | 1720.87 (164) | 1885.73 (117) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -6.541 (0.1) | -6.527 (0.03) | |
| Proper motion (declination) | [mas/yr] | 0.638 (0.07) | 0.403 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.53 (0.05) | |||
| V magnitude | 15.26 (0.01) | |||
| R magnitude | 15.98 (0.1) | |||
| I magnitude | ||||
| J magnitude | 15.48 (0.05) | 15.48 (0.05) | ||
| H magnitude | 15.47 (0.1) | 15.47 (0.1) | ||
| K magnitude | 15.12 | |||
| u magnitude | ||||
| g magnitude | 15.41 (0.01) | |||
| r magnitude | 15.23 (0.01) | |||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 15.51 (0.0005) | 15.49 (0.003) | ||
| BP magnitude | 15.50 (0.004) | |||
| RP magnitude | 15.43 (0.003) | |||
| Pan g magnitude | 15.52 (0.004) | |||
| Pan r magnitude | 15.61 (0.005) | |||
| Pan i magnitude | 15.76 (0.002) | |||
| Pan z magnitude | 15.91 (0.002) | |||
| Pan y magnitude | 15.99 (0.006) | |||
| E(B-V) | 0.223 | |||
* 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.