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06/10/2006 IRAM Interferometry School 1
ARC node at IRAMF.Gueth – IRAM Grenoble
06/10/2006 IRAM Interferometry School 2
ALMA @ IRAM
• IRAM deeply involved in ALMA construction• Hardware:
– band 7 (280—360 GHz) development and (pre-)production
– receiver common optics– backend samplers
• Software & proto-ARC:– scientific software requirements (SSR) group– real-time telescope calibration pipeline– tests of prototype antennas
Band 7, Lazareff et al. IRAM
Band 7 noise temperature, 8 GHz IF (Maier et al. IRAM)
06/10/2006 IRAM Interferometry School 5
ARC node at IRAM
• IRAM partners• CNRS (France)• MPG (Germany)• IGN (Spain)
• ARC node at IRAM also supported by • French community• Spain ALMA committee
• IRAM open to all astronomers: 30% observing time outside partner countries, TNA RadioNet FP6
06/10/2006 IRAM Interferometry School 6
IRAM millimeter interferometry
center• IRAM ARC node will be an activity of the
IRAM millimeter interferometry center
• Center is already in place – GILDAS software (CLASS, CLIC, …)– PdBI f2f user support since >10 years– mm-interferometry school series since 1998– general expertise in mm-
interferometry calibration and imaging techniques
06/10/2006 IRAM Interferometry School 7
ARC node at IRAM
• Goals of mm-interferometry expertise center: User formation User face-to-face support Technical expertise center Data reduction software
• Based on and fully open to collaborations with other groups
• Several actions already started or planned
06/10/2006 IRAM Interferometry School 8
User formation
• Interferometry school series 5th school Oct. 2-6 2006, 66 participants
• Long-period visits of PhD/postdocs– Formation to mm-interferometry techniques
and data reduction, observations at PdBI (new access)
– Can start in 2007 (new building available)– Please contact us if interested
IRAM mm-interferometry school
series
• Every two years since 1998
• General introduction to mm-interferometry, PdBI data reduction, introduction to ALMA
• ALMA practical session in 2008 ( Early Science)
• Lectures and book available on the web
06/10/2006 IRAM Interferometry School 10
User f2f support
• In place at IRAM for PdBI since ~10 years – Each project has a local contact to help
during the data reduction at Grenoble
• Will be extended to support ALMA users – Critical for early-science required in
2009
06/10/2006 IRAM Interferometry School 11
Technical Expertise
• ALMA commissioning – GILDAS to be used for antenna SD
holographies
• New observing mode: OTF interferometry development at PdBI then ALMA (EU-FP6)
• Using Jupiter satellites as mm flux calibrators: PdBI/30m project started (collab. with Paris Obs.)
• ALMA imaging simulator
06/10/2006 IRAM Interferometry School 12
Software devl’t
• Software developments for ALMA: – telescope calibration pipeline– GILDAS/CLIC adapted for ALMA holographies– goal: long-term support/upgrade of ALMA software
• pyGILDAS development: interoperability of the data reduction software (collab. with Bordeaux Obs.)