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VIMOS User Manual
4.6.2
VLT-MAN-ESO-14610-3509
53
VIMOS mos obs Offset
VIMOS mos obs Offset.tsf
To be specified:
Parameter
DET.WIN1.UIT1
INS.FILT.NAME
Hidden
no
no
INS.GRIS.NAME
no
SEQ.CATG
no
SEQ.NEXPO
no
Range (Default)
1..100000 (NODEFAULT)
U B V R I z OS-blue OS-red
GG475 GG435 Free (NODEFAULT)
LR blue
LR red
HR blue
HR red
HR orange
MR
(NODEFAULT)
SCIENCE TECHNICAL (SCIENCE)
1..1000000 (1)
SEQ.NOFF
SEQ.OFFSET1.LIST
no
no
1..1000000 (NODEFAULT)
(NODEFAULT)
SEQ.OFFSET2.LIST
no
(0)
SEQ.RETURN
Fixed values:
Parameter
DET.READ.MODE
DET.WIN1.BINX
DET.WIN1.BINY
INS.MODE
SEQ.HEADER
no
F T (T)
Number of Exposures per Telescope Offset ?
Number of Telescope Offsets ?
List of offsets (arcsec) along the
slit
List of offsets (arcsec) perpendicular to the slit
Return to Origin ? (T/F)
Hidden
no
no
no
no
no
Value
Medium
1
1
MOS
F
Label
Readout mode
X binning factor
Y binning factor
Instrument Mode
Header type
Label
Exposure time (seconds)
Filter
Grism
Observation Category
The parameters of this template are:
• Exposure time in (seconds). This is the integration time in seconds per exposure.
• Filter. The available filters are: U, B, V, R, I, z, OS-blue, OS-red, GG435, GG475 and no filter.
The standard grism / filter configurations are given in Table 2.5.
Only standard filter / grism combinations are allowed, as indicated in Table 2.5. Other combinations should be requested with a waiver.
• Grism. The available grisms are: LR blue, LR red, MR, HR blue, HR orange, HR red.
• Return to Origin? (T/F). This parameter defines whether or not, after a dithered set of observations, the telescope will return at the position at beginning of the template. This parameter is in
general to be left in the default value (T) in service mode. If another value is desired in service
mode a waiver should be requested.
• Number of Telescope Offsets?. This parameter defines the number of telescope offsets during the template. The number of exposures taken at each telescope position is determined by the
next parameter (Number of exposures per telescope offset?). The pattern of offset
is defined in the List of offsets (arcsec) along the slit and List of offsets
(arcsec) perpendicular to the slit parameters.
• Number of exposures per telescope offset?. This parameter defines how many exposures are taken at each offset position.