All names: UCAC2 42078863, 2MASS J17470078+2905037, WISEA J174700.78+290503.7, Gaia DR3 4596420502067288960, GALEXJ174700.87+290504.60, WISE J174700.78+290503.8, LAMOST J174700.78+290503.7, TIC 460090329, GALEX J174700.8+290504, Gaia DR2 4596420502067288960, UCAC4 596-060213
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 17 47 00.87 | 17 47 00.78 (0.02) | ||
| Declination | 29 05 04.60 | 29 05 03.74 (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] | 0.73 (0.04) | 0.70 (0.03) | |
| Distance | [pc] | 1363.70 (76) | 1435.75 (56) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 2.834 (0.06) | 2.881 (0.03) | |
| Proper motion (declination) | [mas/yr] | 1.584 (0.07) | 1.68 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 12.95 (0.01) | |||
| V magnitude | 13.28 (0.01) | |||
| R magnitude | 13.36 (0.09) | |||
| I magnitude | ||||
| J magnitude | 13.65 (0.03) | 13.65 (0.03) | ||
| H magnitude | 13.80 (0.04) | 13.80 (0.04) | ||
| K magnitude | 13.87 (0.04) | 13.87 (0.04) | ||
| u magnitude | ||||
| g magnitude | 12.95 (0.01) | |||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 13.11 (0.0008) | 13.09 (0.003) | ||
| BP magnitude | 12.92 (0.007) | |||
| RP magnitude | 13.33 (0.002) | |||
| Pan g magnitude | 13.25 | |||
| Pan r magnitude | 13.32 (0.001) | |||
| Pan i magnitude | 13.71 (0.009) | |||
| Pan z magnitude | 13.95 (0.005) | |||
| Pan y magnitude | 14.11 (0.004) | |||
| E(B-V) | 0.040 | |||
* 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.