Announcements
IFU Spectroscopy
Top-level characteristics of NIFS
The table below gives only a quick-reference overview of the NIFS instrumental parameters. Please consult the relevant subsections for more details.
| Spatial Properties | ||||
| Field of View | 3" × 3" | |||
| Pixel Scale | 0.103" across slices 0.04" along slices |
|||
| Spatial Resolution (FWHM) | 0.1" full AO correction (NGS/LGS) Seeing limited without AO |
|||
| Spectral Properties | ||||
| Grating | Z | J | H | K |
| Standard Wavelength Range (μm) | 0.94 - 1.15 | 1.15 - 1.33 | 1.49 - 1.80 | 1.99 - 2.40 |
| Spectral Resolution | 4990 | 6040 | 5290 | 5290 |
| Guiding Properties | ||||
| Guide Probe | PWFS2 | OIWFS | ALTAIR (NGS) | ALTAIR (LGS) |
| Patrol Field | 3.5 to 6.5 arcminutes | 12.7" to 60" (30" max recommended with ALTAIR field lens) | < 25" | < 25" |
| Limiting Magnitude of A0 Guide Star (minimal performance) | Rmag=15 | Kmag=14.5 | Rmag=15 | Rmag=18.5 |