All names: Gaia DR3 4486584311272895488, UCAC4 488-071475, GALEXJ17437+0728, WISEA J174345.19+072856.3, 2MASS J17434520+0728564, GALEX J174345.3+072856, UCAC2 34309698, TIC 288113458, Gaia DR2 4486584311272895488, WISE J174345.20+072856.4, SDSS J174345.20+072856.4
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 17 43 45.31 | 17 43 45.21 (0.02) | ||
| Declination | 07 28 56.35 | 07 28 56.43 (0.01) | ||
| Spectral type | sdB+MS | 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] | 0.09 (0.05) | 0.20 (0.02) | |
| Distance | [pc] | 11312.22 (5963) | 4904.36 (556) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -2.95 (0.08) | -2.974 (0.02) | |
| Proper motion (declination) | [mas/yr] | -1.853 (0.08) | -1.653 (0.02) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | 13.95 (0.05) | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 14.29 (0.03) | 14.29 (0.03) | ||
| H magnitude | 14.38 (0.06) | 14.38 (0.06) | ||
| K magnitude | 14.38 (0.08) | 14.38 (0.08) | ||
| u magnitude | 13.74 (0.003) | |||
| g magnitude | 13.77 (0.003) | 13.83 (0.03) | ||
| r magnitude | 14.09 (0.003) | 14.09 (0.04) | ||
| i magnitude | 14.34 (0.003) | 14.41 (0.01) | ||
| z magnitude | 14.57 (0.004) | |||
| G magnitude | 13.96 (0.0005) | 13.94 (0.003) | ||
| BP magnitude | 13.83 (0.007) | |||
| RP magnitude | 14.05 (0.003) | |||
| Pan g magnitude | 13.86 (0.005) | |||
| Pan r magnitude | 14.14 (0.01) | |||
| Pan i magnitude | 14.40 (0.002) | |||
| Pan z magnitude | 14.61 (0.002) | |||
| Pan y magnitude | 14.73 (0.005) | |||
| E(B-V) | 0.167 | |||
* 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.