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2013 Survey Science Group Workshop, 13-16 Feb. 2013 High-1 Resort.

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Presentation on theme: "2013 Survey Science Group Workshop, 13-16 Feb. 2013 High-1 Resort."— Presentation transcript:

1 2013 Survey Science Group Workshop, 13-16 Feb. 2013 High-1 Resort

2 # 2 Contents I.GMT Project – A Brief Introduction II.Current Status III.Plan 2013

3 2013 Survey Science Group Workshop, 13-16 Feb. 2013 High-1 Resort

4 # 4 GMT Overview  Project period : 2003 ~ 2019(E) ~ 2022(F)  Construction cost : $791M (2010)  Partners : 10 ( USA, AUS, ROK)  Funding :  Partner Share Goals : 85%  Commitments & Received : 45%  Room for 15% yet waiting for 1-2 partners

5 2013 Survey Science Group Workshop, 13-16 Feb. 2013 High-1 Resort # 5 GMT Partner Institutions Harvard Carnegie Texas A&M ANU KASI U. Arizona Campanas SAO U. Texas Austin AAL Chicago

6 2013 Survey Science Group Workshop, 13-16 Feb. 2013 High-1 Resort # 6 GMT - Features Features  Ground-based 25 m telescope operating at near UV, visible & IR wavelengths  Gregorian optical system with segmented primary & secondary mirrors  Alt-azimuth mount  Active & adaptive optics operation  Natural seeing and AO science instruments

7 2013 Survey Science Group Workshop, 13-16 Feb. 2013 High-1 Resort # 7 Optical Concept Seven 8.4m Primary Mirror Segments Primary mirror: f/0.7 386 m 2 Secondary mirror segments – 1.05m Conjugated 1:1 with primary segments Final Gregorian focus: f/8.3 Seven 8.4m Primary Mirror Segments Primary mirror: f/0.7 386 m 2 Secondary mirror segments – 1.05m Conjugated 1:1 with primary segments Final Gregorian focus: f/8.3

8 2013 Survey Science Group Workshop, 13-16 Feb. 2013 High-1 Resort # 8 Secondar Mirrors – ASM & FSM Seven 1.1 m M2 segments Individual six DOF positioning mechanisms Two interchangeable f/8 M2 assemblies Adaptive Secondary Mirror (ASM) Fast-steering Secondary Mirror (FSM) Exchanged using the Enclosure crane ASM FSM

9 2013 Survey Science Group Workshop, 13-16 Feb. 2013 High-1 Resort # 9 Development Phases

10 2013 Survey Science Group Workshop, 13-16 Feb. 2013 High-1 Resort # 10 GMT Master Plan

11 2013 Survey Science Group Workshop, 13-16 Feb. 2013 High-1 Resort Current Status (at the end of 2012)

12 2013 Survey Science Group Workshop, 13-16 Feb. 2013 High-1 Resort # 12 Achievements  Science Case Updated  Science Requirement Document completed in Feb. 2013  Completion of the first primary segment  Setting up of pipeline fabrication plan  Site Preparation at Cerro Campanas  Selection of 1 st Generation Instruments

13 2013 Survey Science Group Workshop, 13-16 Feb. 2013 High-1 Resort # 13 GMT Science Book Science Goals Themes  From Stars to Planets  Exoplanets  Stellar Populations  Galaxy Assembly & Evolution  Cosmology and Fundamental Physics  First Light & Reionization  Transient Phenomena  Synergies with other Facilities 3-4 key science questions in each area 125 pages total www.gmto.org The objective of the GMT Project is to design, build and operate a next- generation 25 meter optical/infrared telescope to conduct forefront astronomical research.

14 2013 Survey Science Group Workshop, 13-16 Feb. 2013 High-1 Resort # 14 Document Tree and Flow-Down Science Case ✓ ✓ ✓ ✓ 14

15 2013 Survey Science Group Workshop, 13-16 Feb. 2013 High-1 Resort # 15 Science Requirements Document

16 2013 Survey Science Group Workshop, 13-16 Feb. 2013 High-1 Resort # 16 Science Requirements Document

17 2013 Survey Science Group Workshop, 13-16 Feb. 2013 High-1 Resort # 17 Achievements  Science Case Updated  Science Requirement Document completed in Feb. 2013  Completion of the first primary segment  Setting up of pipeline fabrication plan  Site Preparation at Cerro Campanas  Selection of 1 st Generation Instruments

18 2013 Survey Science Group Workshop, 13-16 Feb. 2013 High-1 Resort # 18 GMT #1  M1 development program: 2004  Parameters:  8.4 m diameter off-axis segment  36 m radius of curvature  15 mm aspheric departure  New polishing techniques  Metrology  New test tower at SOML  Principal test: full aperture interferometer  Verification tests:  Laser tracker Plus  Scanning Pentaprism Test  SCOTS test (small scale) GMT pipeline: Capacity ~ 4 mirrors Cadence: ~12-14 mon.

19 2013 Survey Science Group Workshop, 13-16 Feb. 2013 High-1 Resort # 19 8.4m Offf-Axis Primary

20 2013 Survey Science Group Workshop, 13-16 Feb. 2013 High-1 Resort # 20 Off-axis primary mirror segments SegmentStatus 1 Completed (2012) 2 Cast, core clean-out (Backside processing in Feb. 2013) 3Casting in Aug. 24, 2013 4Glass purchased in 2012 Primary Mirror Segment Production GMT2 lift-off at SOML June 2012 GMT in Full Primary Mirror Production Mode

21 2013 Survey Science Group Workshop, 13-16 Feb. 2013 High-1 Resort # 21 Achievements  Science Case Updated  Science Requirement Document completed in Feb. 2013  Completion of the first primary segment  Setting up of pipeline fabrication plan  Site Preparation at Cerro Campanas  Selection of 1 st Generation Instruments

22 2013 Survey Science Group Workshop, 13-16 Feb. 2013 High-1 Resort # 22 Cerro Campanas Site Manquis Ridge (2308 m) (DuPont 100” telescope) Manqui Pk. (2450 m) (Magellan 6.5m telescopes) GMT Site Campanas Pk. (2551 m) Alcaino Pk. (2410 m) Pan American Hwy (Route 5) La Serena 160 km Pump station

23 2013 Survey Science Group Workshop, 13-16 Feb. 2013 High-1 Resort # 23 Preparation for the Site First blast (3/23/12) Site development timeline Clearing: Mar-Aug 2012 Geotechnical testing: 2012-2013 Civil works: 2014-2015 Facility construction: 2015-2017 Enclosure installation: 2016-2017

24 2013 Survey Science Group Workshop, 13-16 Feb. 2013 High-1 Resort # 24 Before & After

25 2013 Survey Science Group Workshop, 13-16 Feb. 2013 High-1 Resort # 25 When Completed

26 2013 Survey Science Group Workshop, 13-16 Feb. 2013 High-1 Resort # 26 Achievements  Science Case Updated  Science Requirement Document completed in Feb. 2013  Completion of the first primary segment  Setting up of pipeline fabrication plan  Site Preparation at Cerro Campanas  Selection of 1 st Generation Instruments

27 2013 Survey Science Group Workshop, 13-16 Feb. 2013 High-1 Resort # 27 Gregorian Instruments Rotator Folded Ports ~Three Science Instruments GLAO Assembly Guider Assembly Tertiary Mirror Assembly Direct Gregorian Focus Four Science Instrument bays

28 2013 Survey Science Group Workshop, 13-16 Feb. 2013 High-1 Resort # 28 First Generation Instruments 28 NameFunctionRemark GMACSWide field multi-object optical spectrographNon AO G-CLEFHigh dispersion, high stability optical spectrographNon AO GMTNIRSHigh-Resolution NIR/MIR spectrographAO GMTIFSNIR Integral-Field spectrographAO Plus MANIFEST !!

29 2013 Survey Science Group Workshop, 13-16 Feb. 2013 High-1 Resort # 29 Instruments Specifications InstrumentFunction λ Range, μm ResolutionField of ViewLoc GMACS * Optical Multi-Object Spectrometer 0.36 – 1.0 1500 – 4000, 10,000 40 – 80 arcmin 2 DG NIRMOS Near-IR Multi-Object Spectrometer 0.9 – 2.52700 – 500042 arcmin 2 DG G-CLEF* Optical High Resolution Spectrometer 0.35 – 0.9520 – 100K7 x 1” fibersGIS GMTNIRS* Near-IR AO-fed High Resolution Spectrometer 1.2 – 5.050 – 100KSingle ObjectFP TIGER Mid-IR AO-fed Imager and Spectrometer 1.5 – 143000.25 arcmin 2 FP GMTIFS* NIR AO-fed IFU / Imager0.9 – 2.54000 – 10,00010 / 400 arcsec 2 FP MANIFEST** Facility Robotic Fiber Feed0.36 – 1.0300 arcmin 2 DG

30 2013 Survey Science Group Workshop, 13-16 Feb. 2013 High-1 Resort Plan 2013

31 2013 Survey Science Group Workshop, 13-16 Feb. 2013 High-1 Resort # 31

32 2013 Survey Science Group Workshop, 13-16 Feb. 2013 High-1 Resort # 32 GMT 2013 Plan  Staged Construction Plan Setup  Stage 1 (Early Science) : 4 Primaries, FSM, NS-instruments  Stage 2 (Full Commission) : 7 Primaries, ASM, AO-instruments  Preliminary Design Review Meetings  Sub-system PDR : ~ August  GMT System PDR : Sep. ~ Oct.  Cost estimation (capital & operation) : March  Cost for stage 1 construction  Total construction  Adjustment of project schedule according to cost estimation  Fix contribution plans of partners by the end of 2013  Currently 100% committed partners : Korea (10%), Carnegie (10%), Australia(10%), Chicago (5%)

33 2013 Survey Science Group Workshop, 13-16 Feb. 2013 High-1 Resort # 33 GMT 2013 Plan  Meetings  GMTO Board Retreat : Aug. 23 rd. (Tucson)  GMT #3 Casting Event : Aug. 24 th. (Tucson)  GMTIFS Science Conference : Mar. 12 th. – 13 th. (Pasadena)  Cosmology Conference : Jun. 10 th – 12 th. (Chicago)  GMT Enclosure & Facilities PDR : Jan. 16 th. – 18 th. (Pasadena)  AO PDR : Feb. ?  Telescope PDR : Aug. ?  System PDR : Sep. ~ Oct.

34 2013 Survey Science Group Workshop, 13-16 Feb. 2013 High-1 Resort

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