Download - LINC-NIRVANAW. Gaessler 03/10/2006 LBT-SW-WS@Tuscon LINC-NIRVANA Wolfgang Gaessler J. Berwein, F. Briegel, F. Kittmann, A. Pavlov, C. Storz MPIA (Germany),

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)


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’


+60°

0°

-60°

Reconstructed 23m Resolution

LINC-NIRVANA Observation


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


Control Architecture

FFTS

DMDM

M2M2

HexHex

M1M1

PistonHWS HWS

GWSGWS

728Hz

WDHS

TCS>1Hz>1Hz

1kHz1kHz

2kHz 2kHz


Computer

9

Power

4.2kW

Space

19” 54RU

Ethernet/26Fiber/2BCU/Vibration?


Instrument/Observation Modes

• InsMode– Single– LINC– NIRVANA

• ObsMode– Staring– Nodding <5”– Dithering >5”


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


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


Observation Selection @LBT

LN OPRepository

@ LBT

File

OB

OB

OB

Executor Planner

Procedures• Staring• Nodding• Dithering• Changing Filter• Offset• End

OPS


Observation Execution

IRCSAOSGWSL

AOSGWSR

AOSHWSR

AOSHWSL

WDHS

FFTS

Engineering Operation

Status Display Alarm Display Executor

Download - LINC-NIRVANAW. Gaessler 03/10/2006 LBT-SW-WS@Tuscon LINC-NIRVANA Wolfgang Gaessler J. Berwein, F. Briegel, F. Kittmann, A. Pavlov, C. Storz MPIA (Germany),

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