2008 Decmeber 5 ALMA-JT Science Meeting 1 ALMA Project News Koh-Ichiro Morita ALMAJ Project Scientist

2008 Decmeber 5 ALMA-JT Science Meeting 2 Schedule ALMA B (NA & EU) Agreement Ground-breaking Ceremony JP & NA & EU Agreement st ACA Antenna to Chile 1st Light in Chile ACA Correlator to Chile 1 st FE from EA FEIC to Chile Start CSV Operation Early Science Operation Full Operation

2008 Decmeber 5 ALMA-JT Science Meeting 3 © ALMA/ESO/NAOJ/NRAO ALMA in Full Operation Phase Image of antennas at high site. Atacama Compact Array （ ACA ） System

2008 Decmeber 5 ALMA-JT Science Meeting 4 Antenna

2008 Decmeber 5 ALMA-JT Science Meeting 5 ACA 12-m Antenna Status Assembly of PM01 ~ 3 (ACA#1 ~ 3) was completed until 2007 September and PM04 was completed in 2008 March. Many activities for tests & evaluations have been in progress. First light test was conducted in 2008 February. PM03 will be delivered to JAO in December –Conditional Acceptance A way to transfer the operational and maintenance responsibility for a 1 st “Vendor antenna” from the responsible Ant-IPT to JAO, prior to its full completion, as this might take much more time and waiting with the transfer till all relevant requirements are met or demonstrated, would seriously delay progress of AIV and CSV.

2008 Decmeber 5 ALMA-JT Science Meeting 6 ACA 12-m Antenna PM04 PM04 antenna was arrived in Dec and the assembly was completed in Mar 2008.

2008 Decmeber 5 ALMA-JT Science Meeting 7 ACA 12-m Antenna First Light: Solar Observations

2008 Decmeber 5 ALMA-JT Science Meeting 8 Tests & Evaluations: High Accuracy Requirements Surface Accuracy –25 micron rms Pointing Accuracy –2”.0 arcsec Absolute –0”.6 arcsec Offset Photo ： ACA 12-m Antenna #2 Obs Condition [-20 ℃ ~ +20 ℃ ] 9 m /s wind in night time 6 m /s wind in day time High Altitude (5000m) Operation

2008 Decmeber 5 ALMA-JT Science Meeting 9 ACA 12-m Antenna Tests & Evaluations: Surface Accuracy Verified the surface accuracy of 12  m rms & stable over 4 months.

2008 Decmeber 5 ALMA-JT Science Meeting 10 Tests & Evaluations: Absolute Pointing Absolute pointing error of 1.4 arcsec. rms in all-sky optical pointing measurements (136 stars)  Nighttime Pointing: 1”.84 rms without optical seeing  Daytime Pointing: 1”.99 rms without optical seeing 1”.4 rms in about 3 weeks after the best model was determined. PM03 (ACA #2) antenna meets the ALMA spec not exceeding 2”.0 rms under Primary Operating Condition.

2008 Decmeber 5 ALMA-JT Science Meeting 11 Tests & Evaluation Offset Pointing Offset pointing errors meeting the spec from continuous tracking test and from multiple star measurements (15 min.). – Nighttime Pointing performance 0”.49 rms (excluding optical seeing) –Daytime Pointing Performance 0”.53 rms (excluding optical seeing) ACA #2 antenna meets the ALMA spec not exceeding 0”.6 rms under Primary Operating Condition. Left: tracking error of 0”.4 rms just after sunset time.

2008 Decmeber 5 ALMA-JT Science Meeting 12 ACA 12-m Antenna Tests & Evaluations BE / FE Installation Test –Verify I/F Transporter Electrical Testing –Test for mutual interlock, etc.

2008 Decmeber 5 ALMA-JT Science Meeting 13 ACA 7-m Antennas Status PPDR –Held in Sep 9-11 at MELCO factory in Japan. chaired by Masao Saito (ALMAJ) with 7 International Panel reviewers. Proposed design was passed with 5 conditions and 12 AIs #1 Antenna assembly in Japan is in progress. –Basic performance tests will be planned in early 2009.

2008 Decmeber 5 ALMA-JT Science Meeting 14 ACA Correlator

2008 Decmeber 5 ALMA-JT Science Meeting 15 ACA Correlator: Status Assembly at AOS TB was completed in December Firmware & software using the replica system has been conducted in Japan. Acceptance tests will be started in early 2009.

2008 Decmeber 5 ALMA-JT Science Meeting 16 Status of FE Cartridge Developments Band-4 Band-8Band-10

2008 Decmeber 5 ALMA-JT Science Meeting 17 Status Band-4 & Band-8 –1 st cartridge assembly was completed. –Cryogenic acceptance tests are on-going.

2008 Decmeber 5 ALMA-JT Science Meeting 18 Status Band-10 –Prototype design is in progress. –Mixer performance is improved by changing from Nb/SiO/Nb to Nb/AlN/Nb Junction Technology for High Jc.

2008 Decmeber 5 ALMA-JT Science Meeting 19 Various Construction Activities by ALMA-NA, EU

2008 Decmeber 5 ALMA-JT Science Meeting 20 Various Construction Activities by ALMA-NA, EU

2008 Decmeber 5 ALMA-JT Science Meeting 21 EA FEIC (Integration Center) EA FEIC Lab Layout

2008 Decmeber 5 ALMA-JT Science Meeting 22 EA FEIC Status Contract –ASIAA contracted with ARL to operate EA FEIC (Sep. 2006). Staff training –Lectures on key technology (cryogenic / microwave..) Study EDM documents related to FEIC. On-the-job Training at SMA, Hawaii (Jun 07) On-the-Job Training at NA-FEIC (Oct 07-Apr 08). EA-FEIC Lab establishment –Designed by ARL. Refurbished an existing room in the ARL campus; completed in Oct Start partial operation since March –Key test equipments were delivered. –Key FE components were delivered.

2008 Decmeber 5 ALMA-JT Science Meeting 23 EA FE #1 Current Status –Expedited delivery of EA FE #1, which is the second ALMA FE at OSF, is highly desired for the project. –All the components were assembled and tested. EA FE #1 is ready as an Engineering Model, and will be shipped out to Chile on Nov. 14.

2008 Decmeber 5 ALMA-JT Science Meeting 24 EA ARC

2008 Decmeber 5 ALMA-JT Science Meeting 25 High-level concepts for Science Operations Observations will be done in service observing mode with flexible (dynamic) scheduling. Observations 24h/day interrupted by maintenance periods. All observations are executed in the form of scheduling blocks (SBs), each of which contains all information necessary to schedule and execute the observations. The default output to the astronomer are reliable images, calibrated according to the calibration plan. The Joint ALMA Observatory (JAO) is responsible for the data product quality. All science and calibration raw data are captured and archived.

2008 Decmeber 5 ALMA-JT Science Meeting 26 Science Operations: organization Joint ALMA Observatory (DSO) NA ARC EU ARC (ESO) EA ARC NAOJ + ASIAA EU ARC nodes NAASC Enhanced User Services The ARCs are the interfaces to the user community. The ARCs provide: user support delivery of data to the Pis software tools for proposal preparation, observation preparation, and data reduction JAO provides: Array operations Scheduling of projects Execution of observations Data quality assurance Calibration plan maintenance Delivery of data to the archives

2008 Decmeber 5 ALMA-JT Science Meeting 27 Data Flow Technical feasibility Proposal Review Committee (OBOPS) Proposal preparation Phase 2: SBs (OBSPREP) Long-term queue Observations (Control, Correlator, Scheduler, Telcal, Quicklook, Executive) Quality control (OBOPS) Pipeline Proposal preparation Phase 1 (OBSPREP) Archive (OSF+SCO) JAO EA ARC PI EU, NA, EA mirror archives NA ARC EU ARC OBOPS (data delivery) OBOPS (project tracking)

2008 Decmeber 5 ALMA-JT Science Meeting 28 EA ARC: Organization

2008 Decmeber 5 ALMA-JT Science Meeting 29 Non-Core Functionalities Basic (Executive Responsibility) –Software off-site development (CASA) –Maintenance and upgrade (software, antenna, receiver, correlator) –Education and Public Outreach Non-Core Development –Joint archive of ALMA, Nobeyama 45m + EA mm & submm telescopes –Data filler to CASA (for 45 m, SMA, …) –Original Catalog & Collaboration with JVO

2008 Decmeber 5 ALMA-JT Science Meeting 30 Personnel / Employment Status –Manager: K. Tatematsu (50%) –Astronomers/scientists: M. Saito (50%), K. Tachihara, ASIAA Staffs (under discussion) –Admin assistant: T. Yamazaki –EPO-web: A. Ikeda (part-time) Plan –4 astronomers/scientists (faculty and postdocs): to be filled by JFY2009 –DB/archive (5 persons): via contract with company or contract workers

2008 Decmeber 5 ALMA-JT Science Meeting 31 ARC Offices Rooms in the existing building –Offices in three distributed buildings –128 m 2 computer server room with 110 kVA power supply and air conditioning; for archive and data reduction system New building request (2000 m 2 JFY2009 –MEXT (Ministry of Education, Culture, Science, Sports) –budget request  Ministry of Finance –Mainly for EA-ARC core functionalities (face-to-face support etc)

2008 Decmeber 5 ALMA-JT Science Meeting 32 ARC

2008 Decmeber 5 ALMA-JT Science Meeting 33 Archive/Data Reduction System 2008 Sep: Prototype archive (5TB effective) –45 m data for ALMA-J members –Antenna test/commissioning data –ALMA archive system (NGAS) practice JFY 2009: archive & data reduction computers –Servers for CASA

2008 Decmeber 5 ALMA-JT Science Meeting 34 Tutorial / Workshop CASA Tutorials: No. 1 (2008 Jan), … ARC workshop ARC users meeting

2008 Decmeber 5 ALMA-JT Science Meeting 35 The Atacama Large Millimeter/submillimeter Array (ALMA), an international astronomy facility, is a partnership among Europe, Japan and North America, in cooperation with the Republic of Chile. ALMA is funded in Europe by the European Organization for Astronomical Research in the Southern Hemisphere, in Japan by the National Institutes of Natural Sciences (NINS) in cooperation with the Academia Sinica in Taiwan and in North America by the U.S. National Science Foundation (NSF) in cooperation with the National Research Council of Canada (NRC). ALMA construction and operations are led on behalf of Europe by ESO, on behalf of Japan by the National Astronomical Observatory of Japan (NAOJ) and on behalf of North America by the National Radio Astronomy Observatory (NRAO), which is managed by Associated Universities, Inc. (AUI).