All names: FBS 2314+420, GALEX J231636.6+422127, Gaia DR3 1936576053412987648, 2MASS J23163663+4221278, Gaia DR2 1936576053412987648, TIC 173706612, FBS2314+420, FBS B 421
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 23 16 36.66 | 23 16 36.62 (0.02) | ||
| Declination | 42 21 28.70 | 42 21 27.90 (0.02) | ||
| 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] | 0.63 (0.06) | 0.63 (0.04) | |
| Distance | [pc] | 1598.47 (154) | 1591.34 (92) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -0.254 (0.07) | -0.152 (0.03) | |
| Proper motion (declination) | [mas/yr] | -2.352 (0.07) | -2.351 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.15 | |||
| V magnitude | 15.25 | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 15.74 (0.06) | 15.74 (0.06) | ||
| H magnitude | 15.68 (0.1) | 15.68 (0.1) | ||
| K magnitude | 15.83 (0.3) | 15.83 (0.3) | ||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 15.49 (0.0006) | 15.46 (0.003) | ||
| BP magnitude | 15.36 (0.005) | |||
| RP magnitude | 15.59 (0.003) | |||
| Pan g magnitude | 15.36 (0.004) | |||
| Pan r magnitude | 15.65 (0.004) | |||
| Pan i magnitude | 15.92 (0.002) | |||
| Pan z magnitude | 16.14 (0.004) | |||
| Pan y magnitude | 16.28 (0.006) | |||
| E(B-V) | 0.116 | |||
* 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.