Contents
Contents
List of Figures
List of Tables
1 Introduction to SIS
1.1 Contents of this manual
1.2 References to SIS and MOS/SIS
2 SIS optical and mechanical layout
2.1 Optical layout
2.2 Optical performances
2.2.1 Image quality
2.2.2 Transmission
2.3 Mechanics
2.3.1 Mechanical assembly
2.3.2 Mechanical flexures
3 SIS active guiding
3.1 Principle
3.2 Tip/tilt mirror and APD
3.3 Guide probe
3.4 Performances
4 SIS environment
4.1 Mask slides
4.2 Filters
4.2.1 Filter specifications
4.3 Grisms
4.3.1 Grism specifications
4.3.2 Grism list
4.4 CCD detectors
4.5 Calibration lamps
4.6 LAser MAchine (LAMA)
4.6.1 Mask preparation
4.6.2 Mask cutting
5 SIS control and data acquisition with Pegasus
5.1 Checking the status of the instrument and starting observations
5.2 SIS window: configuring the instrument
5.3 CAF window: Computer Aided Focussing
5.4 OFFSET and SIS-Ofst windows: accurate offsetting
5.5 RASTER and EXPOSE windows: gathering photons
5.6 LAMPS window: calibration unit control
5.7 CAL-SEQ window: automatic calibration sequence
5.8 IMAGE and GRAPH windows: looking at the data
5.9 FILES window: handling data files
5.10 GUIDE: guide star selection (T.O.)
6 Observing procedures
6.1 Overview
6.2 Recipe 1: Summary of steps for direct imaging
6.3 Recipe 2: Summary of steps for long slit or multi-slit spectroscopy
6.4 Cassegrain bonnette rotation
6.5 Field acquisition and centering
6.6 Focussing
6.6.1 Running CAF efficiently
6.6.2 ``Manual'' focussing; IQE
6.7 Offsetting
6.7.1 OFFSET
6.7.2 SIS-Ofst
6.8 Guiding
6.8.1 With Cassegrain bonnette
6.8.2 With active mirror
6.9 Imaging exposures
6.10 Spectroscopy exposures
6.11 Aperture mask preparation
6.11.1 Selecting parameters in the LAMA session
6.11.2 Preparing a mask file
6.11.3 Cutting the mask with LAMA
6.12 Aperture mask installation
6.13 Calibration
6.13.1 Imaging: summary, recommended exposures
Flat-fields on dome:
Photometric standards:
Biases:
6.13.2 Spectroscopy: summary, recommended exposures
Spectroscopic flat-fields:
Wavelength calibration spectra:
Spectrophotometric standards:
6.13.3 CAL-SEQ
6.14 Data evaluation
6.14.1 IMAGE and IQE
6.14.2 GRAPH
7 Data reduction procedures
7.1 Direct imaging
7.2 Spectroscopy
7.2.1 Overview
7.2.2 The MULTIRED package
8 SIS performance
8.1 Imaging
8.1.1 Bonnette guiding
8.1.2 Active guiding
8.2 Spectroscopy
9 Instrument set-up (staff)
9.1 Spectrograph alignment
9.1.1 Principles
9.1.2 Alignment procedure:
9.2 Spectrograph focussing
9.3 CAF set-up:
9.4 OFFSET set-up:
9.5 Checking the LAser MAchine: