![]() MeasurementSet Name: /lustre/naasc/sciops/qa2/dkim/casa_testing/MyTutorial/sis14_twhya_calibrated_flagged.ms MS Version 2 The listobs output for our data set is as follows: You can exit the help menu at any time by typing the letter "q". The complete package (4.1G) is available here: If you plan on working through just this imaging tutorial then you can download a smaller data package (see below). If you plan on working through all of the "First Look" tutorials for CASA beginners, it is worth downloading the entire package now. The data used in this tutorial is part of a larger data package used for NRAO calibration and imaging tutorials. The data includes observations from 21 of the ALMA 12-m main array antennas, observed during Early Science Cycle 0. ![]() The spectral window we will image covers 234.375 MHz in bandwidth, and contains 384 channels spaced by 610 kHz. Our goal will be to image the continuum emission and the N2H+ spectral line, which is bright and well suited for demonstrating the imaging techniques. Furthermore, to make the data set more manageable, we have reduced it in size by averaging in time and frequency. The data used in our tutorial has already been calibrated.
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