All names: 2MASS J01470536+3845404, FBS0144+385, GALEX J014705.3+384540, Gaia DR3 343822268167657984, Gaia DR2 343822268167657984, TIC 28693834, FBS B 18, FBS 0144+385
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 01 47 05.50 | 01 47 05.38 (0.06) | ||
| Declination | 38 45 39.60 | 38 45 40.42 (0.05) | ||
| Spectral type | sd | 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] | 0.27 (0.1) | 0.15 (0.06) | |
| Distance | [pc] | 3705.08 (1502) | 6872.85 (2886) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 3.824 (0.2) | 4.072 (0.07) | |
| Proper motion (declination) | [mas/yr] | -4.633 (0.1) | -4.819 (0.06) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 16.18 (0.08) | 16.18 (0.08) | ||
| H magnitude | 15.79 | |||
| K magnitude | 15.32 | |||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 16.19 (0.002) | 16.17 (0.003) | ||
| BP magnitude | 16.17 (0.006) | |||
| RP magnitude | 16.17 (0.003) | |||
| Pan g magnitude | 16.12 (0.002) | |||
| Pan r magnitude | 16.29 (0.001) | |||
| Pan i magnitude | 16.50 (0.002) | |||
| Pan z magnitude | 16.63 (0.004) | |||
| Pan y magnitude | 16.66 (0.008) | |||
| E(B-V) | 0.045 | |||
* 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.