FIRE
A Folded-port InfraRed Echellette for the Magellan Telescopes
High-Resolution Echellette Mode:
| Spectral resolution | R = 6000 or 50 km/s (0.6" slit) |
| Spatial resolution | 0.18" per pixel |
| Continuous Bandpass (single exposure) | 0.89-2.51 microns |
| Slit length | 7 arcseconds |
| Slit width | Nominal 0.6", selectable 0.3-2.0" |
| Echelle orders | orders 11-28 |
| Cross dispersion | ZnSe and Infrasil prisms |
| Primary dispersion | Reflection grating |
High-Throughput Prism Mode
| Spectral Resolution | RJ=2500, RH=1300, RK=900 |
| Spatial Resolution | 0.18" per pixel |
| Continuous Bandpass (single exposure) | 0.89-2.51 microns |
| Slit length | 1 arcminute |
| Slit width | Nominal 0.6", selectable 0.3-2.0" |
| Primary dispersion | ZnSe and Infrasil prisms |
Acquisition/Guiding System
| Field of view | 50 x 50 arcseconds |
| Spatial resolution | 0.2" per pixel |
| Bandpass | Fixed filter |
| Detector | 256 x 256 Rockwell PICNIC |
| Mode | Slit viewing |