All names: SDSS J174712.94+434834.8, 2MASS J17471292+4348346, TIC 193632948, GALEX J174712.9+434834, Gaia DR3 1349089226705872000, Gaia DR2 1349089226705872000, SDSSJ174712.94+434835.1, SDSS J174712.94+434835.1
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 17 47 12.95 | 17 47 12.94 (0.03) | ||
| Declination | 43 48 34.87 | 43 48 34.90 (0.04) | ||
| Spectral type | sd | sd+G/K | ||
| 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] | 0.40 (0.05) | 0.41 (0.04) | |
| Distance | [pc] | 2500.00 (330) | 2458.21 (236) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -0.898 (0.1) | -0.876 (0.05) | |
| Proper motion (declination) | [mas/yr] | -5.366 (0.1) | -5.584 (0.05) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 16.43 (0.1) | 16.43 (0.1) | ||
| H magnitude | 16.26 (0.2) | 16.26 (0.2) | ||
| K magnitude | 15.44 (0.2) | 15.44 (0.2) | ||
| u magnitude | 16.37 (0.006) | 16.36 (0.007) | ||
| g magnitude | 16.57 (0.004) | 16.55 (0.004) | ||
| r magnitude | 16.87 (0.005) | 16.88 (0.004) | ||
| i magnitude | 17.01 (0.006) | 17.00 (0.005) | ||
| z magnitude | 17.11 (0.01) | 17.07 (0.01) | ||
| G magnitude | 16.71 (0.002) | 16.68 (0.003) | ||
| BP magnitude | 16.60 (0.008) | |||
| RP magnitude | 16.69 (0.005) | |||
| Pan g magnitude | 16.64 (0.002) | |||
| Pan r magnitude | 16.90 (0.003) | |||
| Pan i magnitude | 17.04 (0.003) | |||
| Pan z magnitude | 17.13 (0.004) | |||
| Pan y magnitude | 17.16 (0.008) | |||
| 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.