CRIRES User Manual
Doc. Number: ESO-254264
Doc. Version: P109.4
Issued on:
2021-12-01
Page:
87 of 99
Document Classification: ESO Internal Use [Confidential for Non-ESO Staff]
CRIRES_spec_acq_NGS_difftrack
To be specified:
Parameter
Range
(default)
P2 label
SEQ.NGS.COLOR
-1..5
(0)
AO guide star: B-R color value
SEQ.NGS.FWHM
0..10
(0.0)
AO guide star FWHM (arcsec)
SEQ.NGS.SNR
0.0..10000.0
(1000)
AO guide star: Minimum S/N
SEQ.NGS.USELASTSKY
T F
(T)
Use the last sky measurement
for the WFS?
SEQ.NGS.SKYALPHA
-30..+30
(4.0)
WFS Alpha sky offset (arcsec)
SEQ.NGS.SKYDELTA
-30..+30
(4.0)
WFS Delta sky offset (arcsec)
SEQ.SV.USELASTSKY
T F
(F)
Use the last sky measurement
for the SV?
SEQ.METROLOGY.ST
T F
(F)
Improve
opto-mechanical
positioning via metrology?
(Recommended: yes)
SEQ.NGS.MAG
0.2 .. 15
R-band magnitude of the AO
guide star
SEQ.SVGS.HMAG
-5 .. 20
H-band magnitude of the SV
Guide Star
Reference star tracking table
file
Name of PAF file
Ephemeris file of reference
object
Target tracking table file
Name of PAF file
Ephemeris file of target
TEL.SKY.OFFSETALPHA
-120..120
(30.0)
RA offset to sky
TEL.SKY.OFFSETDELTA
-120..120
(30.0)
DEC offset to sky
TEL.AG.GUIDESTAR
NONE
SETUPFILE
CATALOGUE
(CATALOGUE)
Telescope guide star selection
TEL.GS1.ALPHA
(0.0)
RA of telescope guide star
TEL.GS1.DELTA
(0.0)
DEC of telescope guide star
INS.DROT.POSANG
0 .. 360 (0)
Derotator position angle
INS.OPTI1.NAME
FREE GAS_N20 GAS_SGC
(FREE)
Optional gas cell
INS.SLIT1.NAME
w_0.2, w_0.4
(w_0.2)
Entrance slit width
INS.WLEN.CWLEN
See Table 19
Standard wavelength setting
TEL.TARG.ALPHA
(NODEFAULT)
Right Ascension
TEL.TARG.DELTA
(NODEFAULT)
Declination
TEL.TARG.EQUINOX
-2000..3000
(2000)
Equinox
TEL.TARG.EPOCH
-2000...3000
(2000)
Epoch
TEL.TARG.PMA
-10..10
(0)
Proper Motion RA
TEL.TARG.PMD
-10..10
(0.0)
Proper Motion DEC
