Download VIMOS User's Manual

LAS réf.
VIR réf.
Issue
Date
VLT-PLA-VIRA1.0
Rév. 0.0
24-Oct-02
page
3
TABLE OF CONTENTS
1.
INTRODUCTION .............................................................................................................................................................. 7
2.
VIMOS: THE VISIBLE MULTI-OBJECT SPECTROGRAPH.................................................................................. 8
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
2.10
2.11
3.
REQUESTING OBSERVING TIME AND PREPARING OBSERVATIONS WITH VIMOS................................ 21
3.1
3.2
3.3
3.4
4.
TELESCOPE AND INSTRUMENT FOCUS ............................................................................................................................. 22
GUIDING AND OFFSETS ................................................................................................................................................... 23
FLEXURES AND TRACKING STABILITY............................................................................................................................. 23
DIRECT IMAGING......................................................................................................................................................... 24
5.1
5.2
5.3
5.4
5.5
5.6
6.
CALL FOR PROPOSALS..................................................................................................................................................... 21
EXPOSURE TIME CALCULATOR........................................................................................................................................ 21
PHASE II PROPOSAL PREPARATION (P2PP) ..................................................................................................................... 22
VISITOR AND SERVICE MODES ........................................................................................................................................ 22
OBSERVING WITH THE VLT AND VIMOS ............................................................................................................. 22
4.1
4.2
4.3
5.
VIMOS OBSERVING MODES OVERVIEW............................................................................................................................ 8
VIMOS GENERAL OVERVIEW ......................................................................................................................................... 10
IMAGING MODE .............................................................................................................................................................. 14
MULTI-SLIT SPECTROSCOPY MODE ................................................................................................................................ 14
INTEGRAL FIELD SPECTROSCOPY MODE ........................................................................................................................ 15
DETECTORS AND ACQUISITION SYSTEM ......................................................................................................................... 15
OBSERVATION SOFTWARE .............................................................................................................................................. 16
REAL TIME DISPLAY ...................................................................................................................................................... 18
CALIBRATIONS ............................................................................................................................................................... 19
OVERHEADS ................................................................................................................................................................... 19
TEMPLATES SUMMARY ................................................................................................................................................... 21
OVERVIEW...................................................................................................................................................................... 24
PERFORMANCES ............................................................................................................................................................. 24
OBSERVATION PREPARATION ......................................................................................................................................... 24
OBSERVING SEQUENCE ................................................................................................................................................... 25
CALIBRATION ................................................................................................................................................................. 25
DATA PROCESSING ......................................................................................................................................................... 25
MULTI-SLIT SPECTROSCOPY................................................................................................................................... 25
6.1 OVERVIEW...................................................................................................................................................................... 25
6.2 PERFORMANCES ............................................................................................................................................................. 25
6.3 OBSERVATION PREPARATION ......................................................................................................................................... 25
6.4 MASK DESIGN AND MANUFACTURING ............................................................................................................................ 26
6.4.1
Pre-image catalog................................................................................................................................................ 26
6.4.2
Case 1: no pre-existing external user catalog...................................................................................................... 26
6.4.3
Case 2: cross correlation of pre-image catalog with pre-existing external user
catalog 26
6.4.4
SPOC.................................................................................................................................................................... 26
6.4.5
Display slit / object selection ............................................................................................................................... 27
6.4.6
Mask manufacturing: mask tracker...................................................................................................................... 27
OBSERVING SEQUENCE............................................................................................................................................................. 31
6.5 CALIBRATION ................................................................................................................................................................. 31
6.6 DATA PROCESSING ......................................................................................................................................................... 32
7.
INTEGRAL FIELD SPECTROSCOPY ........................................................................................................................ 32
7.1
7.2
OVERVIEW...................................................................................................................................................................... 32
PERFORMANCES ............................................................................................................................................................. 32
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