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         title="Permalink to CASA Cross-Calibration Application">CASA Cross-Calibration Application</a></h2>
 
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    <abbr class="published" title="2019-08-22T13:06:00-06:00">
      2019/08/22
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      By <a class="url fn" href="https://keflavich.github.io/blog/author/adam-ginsburg-adamgginsburggmailcom.html">Adam Ginsburg (Adam.G.Ginsburg@gmail.com)</a>
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    <p>On several independent occasions, I've had data where the continuum is bright
enough to self-calibrate, but the lines aren't.  In these cases, I want to apply
the continuum-derived selfcal solutions to the line data.</p>
<p>In all of these cases, I have several independent execution blocks that I've
split and downsampled before combining to make the continuum image.</p>
<p>I got stuck trying to make this happen, but we reconvened on the topic in early
2021, and Manuel Fernandez and Roberto Galvan-Madrid and I came up with this
tool to match spectral windows in a concatenated data set to the appropriate
windows in the original:
<a class="reference external" href="https://github.com/ALMA-IMF/reduction/blob/master/misc/applycal_tests.py">https://github.com/ALMA-IMF/reduction/blob/master/misc/applycal_tests.py</a></p>

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