File:ALMA first fringes at Chajnantor.jpg

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Summary

Description
English: The first two ALMA antennas linked together as an interferometer on the 5000-metre altitude plateau of Chajnantor. These antennas were used to make the first interferometric measurements of radio signals — so-called “fringes” — of an astronomical source from this site. This is an important technical step for ALMA, as it used a full suite of the production equipment, including two of the 12-metre diameter antennas, and sophisticated electronic systems for receiving and correlating the signals.
Date
Source ESO
Author ALMA (ESO/NAOJ/NRAO), A. Quintana/J. Olivares (ALMA)

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17 November 2009

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current10:34, 17 November 2009Thumbnail for version as of 10:34, 17 November 20092,871 × 1,545 (860 KB)Originalwana{{Information |Description={{en|1=The first two ALMA antennas linked together as an interferometer on the 5000-metre altitude plateau of Chajnantor. These antennas were used to make the first interferometric measurements of radio signals — so-called
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