The MOF at South Pole Italian-American Research Collaboration Amundsen-Scott Station December 2002...
-
date post
15-Jan-2016 -
Category
Documents
-
view
216 -
download
0
Transcript of The MOF at South Pole Italian-American Research Collaboration Amundsen-Scott Station December 2002...
![Page 1: The MOF at South Pole Italian-American Research Collaboration Amundsen-Scott Station December 2002 – January 2003.](https://reader035.fdocuments.us/reader035/viewer/2022062518/56649d645503460f94a47197/html5/thumbnails/1.jpg)
The MOF at South Pole
Italian-American Research Collaboration
Amundsen-Scott Station
December 2002 – January 2003
![Page 2: The MOF at South Pole Italian-American Research Collaboration Amundsen-Scott Station December 2002 – January 2003.](https://reader035.fdocuments.us/reader035/viewer/2022062518/56649d645503460f94a47197/html5/thumbnails/2.jpg)
A collaboration between
• Maui Scientific Research Center (University of New Mexico)
– Phd Stuart Jefferies– Phd Wolfgang Finsterle– Allister Knox– Cinthya Gebienk
• University of Roma “La Sapientia”– Prof. Alessandro Cacciani– Paolo Rapex– Vincenzo Di Martino– Berenice Subrizi
![Page 3: The MOF at South Pole Italian-American Research Collaboration Amundsen-Scott Station December 2002 – January 2003.](https://reader035.fdocuments.us/reader035/viewer/2022062518/56649d645503460f94a47197/html5/thumbnails/3.jpg)
Experiment Objectives
•Seismically map the sound speed of the sun's lower atmosphere using high-frequency sound waves
• Improve the models for the sun's atmosphere
•Space Weather : early warning to explosive phenomena (flares, CME, …)
![Page 4: The MOF at South Pole Italian-American Research Collaboration Amundsen-Scott Station December 2002 – January 2003.](https://reader035.fdocuments.us/reader035/viewer/2022062518/56649d645503460f94a47197/html5/thumbnails/4.jpg)
The velocity and intensity signals are detected at two different heights in the solar atmosphere
(two Magneto-Optical Filters tuned to the solar
K and Na absorption lines )The instrument has been given the
name M O T H
Magneto Optical filters at Two Heights
Experiment Description
![Page 5: The MOF at South Pole Italian-American Research Collaboration Amundsen-Scott Station December 2002 – January 2003.](https://reader035.fdocuments.us/reader035/viewer/2022062518/56649d645503460f94a47197/html5/thumbnails/5.jpg)
• 2 MOFs tuned to the K (7699 A –D1) and Na (5890 A – D2) lines • Acquisition of separate and simultaneous images in the Red and Blue flanks of the above absorption lines• 2 compact Telescopes (48 mm diam)• 4 x 12-bit digital Cameras, running at 16 frames/s• 10 s integration time for each recorded 16 bit image• 1 TeraByte Raid Hard Disk recording System
Experiment Description
![Page 6: The MOF at South Pole Italian-American Research Collaboration Amundsen-Scott Station December 2002 – January 2003.](https://reader035.fdocuments.us/reader035/viewer/2022062518/56649d645503460f94a47197/html5/thumbnails/6.jpg)
South Pole Remote site
![Page 7: The MOF at South Pole Italian-American Research Collaboration Amundsen-Scott Station December 2002 – January 2003.](https://reader035.fdocuments.us/reader035/viewer/2022062518/56649d645503460f94a47197/html5/thumbnails/7.jpg)
External Instrument Positioning
![Page 8: The MOF at South Pole Italian-American Research Collaboration Amundsen-Scott Station December 2002 – January 2003.](https://reader035.fdocuments.us/reader035/viewer/2022062518/56649d645503460f94a47197/html5/thumbnails/8.jpg)
The buried Control Room
![Page 9: The MOF at South Pole Italian-American Research Collaboration Amundsen-Scott Station December 2002 – January 2003.](https://reader035.fdocuments.us/reader035/viewer/2022062518/56649d645503460f94a47197/html5/thumbnails/9.jpg)
The MOTH
![Page 10: The MOF at South Pole Italian-American Research Collaboration Amundsen-Scott Station December 2002 – January 2003.](https://reader035.fdocuments.us/reader035/viewer/2022062518/56649d645503460f94a47197/html5/thumbnails/10.jpg)
Aligning and Focusing
![Page 11: The MOF at South Pole Italian-American Research Collaboration Amundsen-Scott Station December 2002 – January 2003.](https://reader035.fdocuments.us/reader035/viewer/2022062518/56649d645503460f94a47197/html5/thumbnails/11.jpg)
Hunting the Sun …
![Page 12: The MOF at South Pole Italian-American Research Collaboration Amundsen-Scott Station December 2002 – January 2003.](https://reader035.fdocuments.us/reader035/viewer/2022062518/56649d645503460f94a47197/html5/thumbnails/12.jpg)
The MOTH ‘s Optical Layout
![Page 13: The MOF at South Pole Italian-American Research Collaboration Amundsen-Scott Station December 2002 – January 2003.](https://reader035.fdocuments.us/reader035/viewer/2022062518/56649d645503460f94a47197/html5/thumbnails/13.jpg)
The System Layout
![Page 14: The MOF at South Pole Italian-American Research Collaboration Amundsen-Scott Station December 2002 – January 2003.](https://reader035.fdocuments.us/reader035/viewer/2022062518/56649d645503460f94a47197/html5/thumbnails/14.jpg)
First results
![Page 15: The MOF at South Pole Italian-American Research Collaboration Amundsen-Scott Station December 2002 – January 2003.](https://reader035.fdocuments.us/reader035/viewer/2022062518/56649d645503460f94a47197/html5/thumbnails/15.jpg)
Red + Blu
Red – Blu
Red + Blu
Red
Blu
Sodium
![Page 16: The MOF at South Pole Italian-American Research Collaboration Amundsen-Scott Station December 2002 – January 2003.](https://reader035.fdocuments.us/reader035/viewer/2022062518/56649d645503460f94a47197/html5/thumbnails/16.jpg)
Red + Blu
Red – Blu
Red + Blu
Red
Blu
Potassium
![Page 17: The MOF at South Pole Italian-American Research Collaboration Amundsen-Scott Station December 2002 – January 2003.](https://reader035.fdocuments.us/reader035/viewer/2022062518/56649d645503460f94a47197/html5/thumbnails/17.jpg)
Potassium Sodium (D2)
Velocity Signals
![Page 18: The MOF at South Pole Italian-American Research Collaboration Amundsen-Scott Station December 2002 – January 2003.](https://reader035.fdocuments.us/reader035/viewer/2022062518/56649d645503460f94a47197/html5/thumbnails/18.jpg)
Potassium Log Power Spectrum - m corrected
![Page 19: The MOF at South Pole Italian-American Research Collaboration Amundsen-Scott Station December 2002 – January 2003.](https://reader035.fdocuments.us/reader035/viewer/2022062518/56649d645503460f94a47197/html5/thumbnails/19.jpg)
Sodium Log Power Spectrum - m corrected
![Page 20: The MOF at South Pole Italian-American Research Collaboration Amundsen-Scott Station December 2002 – January 2003.](https://reader035.fdocuments.us/reader035/viewer/2022062518/56649d645503460f94a47197/html5/thumbnails/20.jpg)
Na-K average Cross Spectrum
![Page 21: The MOF at South Pole Italian-American Research Collaboration Amundsen-Scott Station December 2002 – January 2003.](https://reader035.fdocuments.us/reader035/viewer/2022062518/56649d645503460f94a47197/html5/thumbnails/21.jpg)
Time Lag Map @ 7 mHz(average: 27 seconds)
![Page 22: The MOF at South Pole Italian-American Research Collaboration Amundsen-Scott Station December 2002 – January 2003.](https://reader035.fdocuments.us/reader035/viewer/2022062518/56649d645503460f94a47197/html5/thumbnails/22.jpg)
Time Lag Map @ 3 mHz(average: 0 seconds)
![Page 23: The MOF at South Pole Italian-American Research Collaboration Amundsen-Scott Station December 2002 – January 2003.](https://reader035.fdocuments.us/reader035/viewer/2022062518/56649d645503460f94a47197/html5/thumbnails/23.jpg)
Acknowledgements
•NSF (National Science Foundation)
•Enea PNRA (Progetto Nazionale Ricerche Antartide)