All names: TIC 193630971, Gaia EDR3 1349088676950060672, Gaia DR3 1349088676950060672, LAMOST J174654.36+434604.1, FBS B 387, 2MASS J17465434+4346041, SDSS J174654.36+434604.2, FBS 1745+437, FBS1745+437, GALEX J174654.5+434603, Gaia DR2 1349088676950060672
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 17 46 54.37 (0.02) | 17 46 54.35 | 17 46 54.36 (0.02) | ||
| Declination | 43 46 04.19 (0.03) | 43 46 04.40 | 43 46 04.24 (0.03) | ||
| Spectral type | sdB | sdB | |||
| Effective temperature | [K] | 33750.0 (250) | |||
| log(g) | [cgs] | 5.67 (0.01) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 1.06 (0.03) | 1.08 (0.03) | 1.06 (0.03) | |
| Distance | [pc] | 942.33 (23) | 928.33 (27) | 942.33 (23) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 5.532 (0.03) | 5.463 (0.06) | 5.532 (0.03) | |
| Proper motion (declination) | [mas/yr] | -2.942 (0.03) | -2.856 (0.06) | -2.942 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | |||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 15.02 (0.03) | 15.02 (0.03) | |||
| H magnitude | 15.24 (0.09) | 15.24 (0.09) | |||
| K magnitude | 15.20 (0.1) | 15.20 (0.1) | |||
| u magnitude | 13.84 (0.004) | 13.85 (0.02) | |||
| g magnitude | 14.11 (0.02) | ||||
| r magnitude | 14.60 (0.004) | 14.62 (0.02) | |||
| i magnitude | 14.95 (0.004) | 14.97 (0.02) | |||
| z magnitude | 15.27 (0.006) | 15.28 (0.02) | |||
| G magnitude | 14.36 (0.003) | 14.38 (0.0008) | 14.36 (0.003) | ||
| BP magnitude | 14.22 (0.003) | 14.16 (0.007) | |||
| RP magnitude | 14.64 (0.004) | 14.64 (0.002) | |||
| Pan g magnitude | 14.20 (0.004) | ||||
| Pan r magnitude | 14.63 (0.002) | ||||
| Pan i magnitude | 14.98 (0.002) | ||||
| Pan z magnitude | 15.25 (0.004) | ||||
| Pan y magnitude | 15.43 (0.004) | ||||
| E(B-V) | 0.031 | ||||
* 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.