Jan 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010alman...4....1d&link_type=abstract
ALMA Newsletter, vol. 4, p. 1-1
Other
Alma
Scientific paper
First of all, I would like to wish all of you an happy New Year, which I sincerely hope will bring you success, happiness and interesting new opportunities. For us in ALMA, the end of 2009 and the beginning of 2010 have been very exciting and this is once more a special moment in the development of our observatory. After transporting our third antenna to the high altitude Chajnantor plateau, at 5000 meters above sea level, our team successfully combined the outputs of these antennas using "phase closure", a standard method in interferometry. This achievement marks one more milestone along the way to the beginning of Commissioning and Science Verification, CSV, which, once completed, will mark the beginning of Early Science for ALMA. There was an official announcement about this milestone at the AAS meeting early January and we also wanted to share this good news with you through this newsletter, which contains the content of the announcement. In another area, this newsletter contains the progress on site and a presentation of the Atacama Compact Array (ACA). This is the second part of a two part series on antennas, a continuation of the article in the last newsletter. The ACA plays a crucial part in the imaging of extended sources with ALMA. Without the ACA, the ability to produce accurate images would be very restricted. Finally, as you know, we like to show the human face of this great endeavour we are building and this time, we decided to highlight the Department of Technical Services, another fundamental piece working actively to make ALMA the most powerful radio observatory ever built.
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