linc-nirvanaw. gaessler 03/10/2006 lbt-sw-ws@tuscon linc-nirvana wolfgang gaessler j. berwein, f....
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03/10/2006 LBT-SW-WS@Tuscon LINC-NIRVANA W. Gaessler
LINC-NIRVANA
Wolfgang GaesslerJ. Berwein, F. Briegel, F. Kittmann,
A. Pavlov, C. Storz
MPIA (Germany), INAF (Italy), Universitaet Koeln (Germany),
MPIfR (Germany)
03/10/2006 LBT-SW-WS@Tuscon LINC-NIRVANA W. Gaessler
LINC-NIRVANAFizeau Imager with MCAO
JHK (1-2.4 µm)
Pixel: 5.11 mas
/23m: 10 mas (J) -20 mas (K)
FOV: 10” science1’x1.5’ FFT
2’ Mid-High AO6’ GLAO
AO Conjugates @ 100 m, 8-14 km (6-8 km)
8 NG stars in MHWS; 12 NG stars in GWS
2’
6’
03/10/2006 LBT-SW-WS@Tuscon LINC-NIRVANA W. Gaessler
+60°
0°
-60°
Reconstructed 23m Resolution
LINC-NIRVANA Observation
03/10/2006 LBT-SW-WS@Tuscon LINC-NIRVANA W. Gaessler
LN C
omm
on S
W
Software overviewOPS Estimator Viewer (GUI)
OPS = Observation Preparation SW, OSS = Observation Support SW, ICS = InstrumentControl SW, TCS = Telescope Control SW, AOS = Adaptive Optics System, FFT = FringeFlexure Tracker, IRC = Infrared Camera, WDHS = Wavefront Data Handling System
OSS Scheduler Executor
ICSSub-system co-ordination, synchronization
TCSInterface wrapper
AOS 4x System ctrl 4x Wavefront ctrl
FFT System ctrl Piston ctrl
IRC System ctrl Detector ctr
ObservationLevel
System Level
Sub-System Level
WDHS• optimization• offloading
03/10/2006 LBT-SW-WS@Tuscon LINC-NIRVANA W. Gaessler
Control Architecture
FFTS
DMDM
M2M2
HexHex
M1M1
PistonHWS HWS
GWSGWS
728Hz
WDHS
TCS>1Hz>1Hz
1kHz1kHz
2kHz 2kHz
03/10/2006 LBT-SW-WS@Tuscon LINC-NIRVANA W. Gaessler
Computer
9
Power
4.2kW
Space
19” 54RU
Ethernet/26Fiber/2BCU/Vibration?
03/10/2006 LBT-SW-WS@Tuscon LINC-NIRVANA W. Gaessler
Instrument/Observation Modes
• InsMode– Single– LINC– NIRVANA
• ObsMode– Staring– Nodding <5”– Dithering >5”
03/10/2006 LBT-SW-WS@Tuscon LINC-NIRVANA W. Gaessler
Set MHWS r/l
(67s)
Observation procedureLaunch Observation
Set GWS r/l (84s)
Start GWS (287s)
Set FFTS(120s)
Set IRCS(120s)
Offset (nod120/dith600s)
Preset Telescope(<130s)
Move GWS Move MHWS
Start MHWS(166s)
Move FFTS
Start FFTS(180s)
Start De-RotScience Exposure
Science Exposure
03/10/2006 LBT-SW-WS@Tuscon LINC-NIRVANA W. Gaessler
Observation Preparation (off LBT)
LN OPRepository
@ LBT
Visual Target Tuner• Reference Star Selector• Position Editor• Offset Pattern Editor File
Elevation Plot
File
Performance Estimator
File
Observation Program Editor• Instrument Setup Editor• Observation Block Editor
File
Target Selector
File
• Creates one or more OP• OP = Sum of OB for one or more targets• Simpelst OP = one OB for one target
03/10/2006 LBT-SW-WS@Tuscon LINC-NIRVANA W. Gaessler
Observation Selection @LBT
LN OPRepository
@ LBT
File
OB
OB
OB
Executor Planner
Procedures• Staring• Nodding• Dithering• Changing Filter• Offset• End
OPS