The GONG Farside Project Status

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The GONG Farside Project(Status)
Irene González Hernández and the GONG Farside
team
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Contents

• Data acquisition software improvement
• Adding GONG magnetograms
• Predicting magnetic activity AR1088
• Full hemisphere
• Future work

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GONG near-real-time data

• Software running at the sites (quickreduce)
• Quick calibration
• Generating 215x215 Gaussian-smoothed velocity
  images
• Transferred to Tucson in a daily basis

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GONG near-real-time data

• Quickreduce process modifications
• Image calibration calculating XC, YC parameters
• Sky mask
• Site independent software
• Magnetogram QA.
• Emulator currently running in the DMAC
• Self-contained distribution package
• Version control
• Move to the sites

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Farside website

• Web site improvement
• Archived data
• Include GONG magnetograms in the farside maps
• Sent to Tucson in a daily basis
• About 7 magnetograms per site.
• http//gong.nso.edu/data/farside

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Holography of the farside
From Dougs Braun web site
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Holography of farside
Active Region AR-10808
Aug 29 ? Sep 4 2005 (GONG)
sin(latitude)
Carrington Longitude
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Farside project full hemisphere
Courtesy of Doug Braun
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Farside project full hemisphere

• Evolution of AR 9393 from March 15 2001 to April
  23 2001. (MDI)

Courtesy of P. Scherrer and K. Oslund
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Future work

• Test new site code in TC and move to all the
  production locations.
• Move map calculation pipeline to linux box.
• Integrate full hemisphere.
• Scientific calibration
• Relate phase-delay to magnetic activity
• Full resolution GONG data
• 4 years of continuous data