Alma pipeline progress and status
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ALMA Pipeline Progress and Status. ANASAC Face-to-Face Sept 16-17, 2013. Jeff Kern. CASA Team Lead. Pipeline Status. ALMA Interferometric Pipeline is ready to support Cycle 1 Data reduction Calibration and Diagnostic Images of Phase and Bandpass Calibrators Single Dish through imaging *

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ALMA Pipeline Progress and Status

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ALMA Pipeline Progress and Status

ANASAC Face-to-Face

Sept 16-17, 2013

  • Jeff Kern

  • CASA Team Lead


Pipeline Status

ALMA Interferometric Pipeline is ready to support Cycle 1 Data reduction

Calibration and Diagnostic Images of Phase and Bandpass Calibrators

Single Dish through imaging*

No support for combination

Some human intervention still required:

Calibrator Fluxes

Extraordinary Flagging

Rapid progress made in past year:

Tiger Team led by Todd Hunter

Built on experience from cycle-0 reduction

* Still developing global consensus on best single dish reduction. Pipeline is closely connected to this discussion.

ANASAC Face-to-Face: Sept. 16,17 2013


Organization

  • Pipeline Working Group now formed

Liz Humphries (Chair)

Eric Villard (Deputy)

Remy Indebetouw

Hiroko Shinnaga

Todd Hunter (ex officio: Tiger Team Lead)

  • International test / user team

    • NAASC Data Analysts

    • JAO Data Content Managers


Cycle-1 Operations

  • Early Cycle-1: Parallel Reduction

    • Each ARC organized slightly differently

    • Pipeline and manual scripts will be run in parallel results compared by reducer

      • Common feedback forms to pipeline to describe meaningful differences from human reduction.

  • Late Cycle-1: Pipeline Calibration

    • Pipeline does primary calibration for most projects

      • Band 9, special cases still needs manual reduction.

      • Data reducer starts with calibrated data from the archive and does reference imaging.

        Actually had hoped to already be at this state by now!


ALMA PipelineExecution Summary


ALMA PipelineObservation Summary


ALMA PipelineTask Summary


ALMA PipelineTask Summary


ALMA PipelineTask Details


ALMA PipelineCalibrator Image Production


ALMA PipelineTarget Imaging


Looking Forward

  • Support for cycle-1 operations:

    • Dealing with bugs (ours and theirs)

  • WebLog

    • Meeting existing requirements from first focus group meeting

    • Revisit WebLog requirements (Q1-2014) based on experience for Cycle 1

  • Cycle-2 Capabilities

  • More complicated SPW setups

  • Initial Polarization Calibration

  • Low SNR Cases (Band 9)

  • [More] Flagging Heuristics

  • Science Target Imaging:

    • Are we meeting targets.

Planning for user test prior to Cycle-2 Operations to gather responses from Cycle 1 Experience.


The National Radio Astronomy Observatory is a facility of the National Science Foundationoperated under cooperative agreement by Associated Universities, Inc.

www.nrao.edu • science.nrao.edu


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