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PMAS (Potsdam MultiAperture Spectrophotometer), is an integral field unit developed in the AIP (P.I. M.M.Roth), currently mounted in the CAHA 3.5m telescope.
Available at: Cassegrain focus of the Zeiss 3.5 m reflector (fiber fed from the Cassegrain Front End).
Contact:
In a nutshell
| Instrument name | PMAS |
| Observing technique | PPAK (hexagonal) or LArr (square) IFU bundles |
| Resolution (LArr) | 900 - 9000 (first order) or 5700 - 24000 (second order) |
| Resolution (PPAK) | 600 - 6000 (first order) or 3800 - 16000 (second order) |
| LArr magnifications | 0.5 - 0.75 - 1.0 (with FOVs 8"x8" - 12"x12" - 16"x16") |
| Wavelength range | 0.35 to 1 μm |
| Gratings | U,V,R,I,J-1200 U,V,R-600 U,V-300 |
| Detector type |
EEV CCD231 |
| Detector and pixel size |
4k x 4k / 15 μm pixel |
| FOV | PPAK: 72" hexagonal - LArr: 8"x8", 12"x12" or 16"x16" |
| A&G FOV | 3.4 x 3.4 arcmin |
Observing with PMAS
| Preparing observations | During observations |
After observing |
| Requesting observing time | Observing manual | Data reduction tool (S.F. Sánchez) |
| Instrument overview | Troubleshooting | Online reduction package |
| Exp. time calculator | Log sheets | |
| Grating table |