Mode Number | AO config | F/43 focus | F/11 focus | Science Case |
---|---|---|---|---|
1 | S64 | Imaging filter | Acquisition | 12 mas/pixel imaging for all visible wavelengths |
AO-assisted speckle (Lucky) imaging (Hildebrandt) | ||||
Lowest R imaging of faintest targets | ||||
2 | S64 or S32 | Imaging filter 1 | Imaging filter 2 | Dual-color photometry on different plate scales |
Narrow field PSF reference for wider-field astrometry | ||||
Scattered light subtraction for extragalactic emission line science (Dekany) | ||||
3 | S64 or S32 | Flexure and exp. meter | Single-mode fiber | 10 cm/s precision radial velocity for exoplanet study (Johnson) |
> 650nm for WFS | < 500nm for Andor | feeding precision RV spectrograph (need to identify) | ||
4 | S32 or S64 | Flexure compensation | Imaging filter 2 | Deep (long-exposure) visible imagery / galaxy morphology / UDF |
Red-channel coronagraphy (e.g. Serabyn (vortex coronagraphy)) | ||||
5 | S8 | TBD | GLAO w/ ~0.3" FWHM across moderate field | Astrometry survey / identification of transients contexts |
across visible wavelength | ||||
6 | S8 | Flexure & DAR | Dual, scrambled multi-mode fiber | 5 m/s RV of close (<2") binary stars (Johnson) |
compensation | w/ one on 2-axis stage |