CSV Issues B. Vila-Vilaro (NAOJ) ASAC F2F, Florence, Sept 2006
CSV Teams Since ACA System PDR (Nov 2005) “ joint ” activity Staffing: “ Core ” members + Additional -Requirements ( “ boxes ” approach) -Negotiations with ASIAA (Taiwan) -EA ARC Contribution On-site vs. Remote Support Issues ATF and AIV involvement (How many and when) “ Similar ” tests/Knowledge base Sharing Resources
Additional (pre)CSV Sites MELCO Antenna Construction Facility (Kurashiki,Okayama Pref.) Oct-Dec 2006: CIPT + Metrology + Pointing ACA Correlator Test Facility (NAOJ, Mitaka) Sept-Oct 2006, Dec 2006-Jan 2007,May Sept-2008 Mauna Kea Observatory (Hawaii, USA) ASTE Tests
ACA Corr Band4 Band8 Band10 ACA CSV Timeline Both 12m handed over at same time MELCO Refurbished 12m Antenna First 7m Antenna
Strawman CSV Model OSF AOS 12M 2(?) 7M 2(?) First 7M ACA BALMA ACA BALMA Ant Ant Site Site Similar Antennas Similar Tests Sharing Resources and Experience Joint Array TP+Interf Combined Modes Additional Bands Other Obs. Modes
12m and 7m ant: Main Diff. 12m Ant7m Ant Size12m7m Surf Acc 25 m20 m Opticsf/D~0.4f/D~0.367 Central Hole SubrefNutator+ConeSubref+Cone WVRONNone (intially?) Obs ModesTP(all)+InterfTP(some)+Intf Holography Beam Patt
ACA Specific Issues TP Observations + Nutator WVR Phase Correction (4-point method) ACA Correlator Issues Configuration Evolution until Full Operation Calibration (Cross-calibration, high accuracy modes, etc) CSV STAGES for ACA 1 TP 12m antenna (Milestone, not at ACA Site) 1TP + ACA Correlator 2TP + ACA Correlator 4 TP + 1 st 7m Growth of 7m Array