https://casaguides.nrao.edu/index.php?title=VLA_CASA_Flagging-CASA4.6.0&feed=atom&action=history
VLA CASA Flagging-CASA4.6.0 - Revision history
2024-03-28T10:31:59Z
Revision history for this page on the wiki
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https://casaguides.nrao.edu/index.php?title=VLA_CASA_Flagging-CASA4.6.0&diff=20412&oldid=prev
Jsalcido at 22:34, 18 October 2016
2016-10-18T22:34:03Z
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 18:34, 18 October 2016</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>This operation will flag data that correspond to flagged solutions, so {{applycal}} makes a backup version of the flags prior to operating on the data. Running {{applycal}} might take a little while.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>This operation will flag data that correspond to flagged solutions, so {{applycal}} makes a backup version of the flags prior to operating on the data. Running {{applycal}} might take a little while.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Now that we have bandpass-corrected data, we will run {{flagdata}} in rflag mode (CASA Cookbook 3.4.2.8). </div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Now that we have bandpass-corrected data, we will run {{flagdata}} in rflag mode (<ins style="font-weight: bold; text-decoration: none;">[https://casa.nrao.edu/casa_cookbook.pdf#subsubsection.3.4.2.8 </ins>CASA Cookbook 3.4.2.8<ins style="font-weight: bold; text-decoration: none;">]</ins>).</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Image:amp_v_freq.beforeRFlag.png|250px|thumb|right|'''Figure 13''' <br />Amplitude vs. Frequency plot of scan 190, before RFlag is applied.]]</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Image:amp_v_freq.beforeRFlag.png|250px|thumb|right|'''Figure 13''' <br />Amplitude vs. Frequency plot of scan 190, before RFlag is applied.]]</div></td></tr>
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Jsalcido
https://casaguides.nrao.edu/index.php?title=VLA_CASA_Flagging-CASA4.6.0&diff=20409&oldid=prev
Jsalcido at 22:19, 18 October 2016
2016-10-18T22:19:38Z
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 18:19, 18 October 2016</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>=== Shadowed Antennas ===</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>=== Shadowed Antennas ===</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>The VLA D-configuration is the most compact; there may be, therefore, instances where one antenna blocks, or shadows, another. For more on shadowing, please refer to the [https://science.nrao.edu/facilities/vla/docs/manuals/obsguide/<del style="font-weight: bold; text-decoration: none;">modes/shadowing </del>antenna shadowing] section in the [https://science.nrao.edu/facilities/vla/docs/manuals/obsguide Guide to Observing with the VLA]. Generally, observing sources at 40 degrees elevation and higher will result in less shadowing. We will create a plot of elevation vs. time by using the {{plotms}} task and note the elevation of the radio sources we observed.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>The VLA D-configuration is the most compact; there may be, therefore, instances where one antenna blocks, or shadows, another. For more on shadowing, please refer to the [https://science.nrao.edu/facilities/vla/docs/manuals/obsguide/<ins style="font-weight: bold; text-decoration: none;">dynsched#section-1 </ins>antenna shadowing] section in the [https://science.nrao.edu/facilities/vla/docs/manuals/obsguide Guide to Observing with the VLA]. Generally, observing sources at 40 degrees elevation and higher will result in less shadowing. We will create a plot of elevation vs. time by using the {{plotms}} task and note the elevation of the radio sources we observed.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><source lang="python"></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><source lang="python"></div></td></tr>
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Jsalcido
https://casaguides.nrao.edu/index.php?title=VLA_CASA_Flagging-CASA4.6.0&diff=20124&oldid=prev
Jsalcido at 14:39, 10 August 2016
2016-08-10T14:39:47Z
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 10:39, 10 August 2016</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div> Mainly created for demonstration purposes.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div> Mainly created for demonstration purposes.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>The data are split from the original MS and time-averaged using the <del style="font-weight: bold; text-decoration: none;">Casa </del>task split. <del style="font-weight: bold; text-decoration: none;">For CASA 4.5.2 we use the split2() implementation:</del></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>The data are split from the original MS and time-averaged using the <ins style="font-weight: bold; text-decoration: none;">CASA </ins>task split. </div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div> ''<del style="font-weight: bold; text-decoration: none;">split2</del>(vis='SNR_G55.ms', outputvis='SNR_G55_10s.ms', field='3~5', spw='4~5,7~8', timebin='10s', </div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> ''<ins style="font-weight: bold; text-decoration: none;">split</ins>(vis='SNR_G55.ms', outputvis='SNR_G55_10s.ms', field='3~5', spw='4~5,7~8', timebin='10s', </div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div> antenna='!ea06,ea17,ea20,ea26', datacolumn='data', keepflags=False)''</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div> antenna='!ea06,ea17,ea20,ea26', datacolumn='data', keepflags=False)''</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Start CASA by typing '''casa''' on a terminal command line. If you have not used CASA before, some helpful tips are available on the [[Getting Started in CASA]] page.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Start CASA by typing '''casa''' on a terminal command line. If you have not used CASA before, some helpful tips are available on the [[Getting Started in CASA]] page.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>This guide has been written for CASA version 4.<del style="font-weight: bold; text-decoration: none;">5</del>.<del style="font-weight: bold; text-decoration: none;">2</del>. Please confirm your version before proceeding by checking the message in the command line interface window or the CASA logger after startup.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>This guide has been written for CASA version 4.<ins style="font-weight: bold; text-decoration: none;">6</ins>.<ins style="font-weight: bold; text-decoration: none;">0</ins>. Please confirm your version before proceeding by checking the message in the command line interface window or the CASA logger after startup.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>For this tutorial, we will be running tasks using the task ''(parameter = value)'' syntax. All parameters not explicitly called by this manner will use their default values.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>For this tutorial, we will be running tasks using the task ''(parameter = value)'' syntax. All parameters not explicitly called by this manner will use their default values.</div></td></tr>
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Jsalcido
https://casaguides.nrao.edu/index.php?title=VLA_CASA_Flagging-CASA4.6.0&diff=20016&oldid=prev
Jsalcido at 22:03, 9 June 2016
2016-06-09T22:03:03Z
<p></p>
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Jsalcido
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Jott: Blanked the page
2016-05-18T21:05:37Z
<p>Blanked the page</p>
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Jott
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Jott: Jott moved page VLA-CASA-Flagging-CASA4.6.0 to VLA CASA Flagging-CASA4.6.0
2016-05-18T21:02:41Z
<p>Jott moved page <a href="/index.php?title=VLA-CASA-Flagging-CASA4.6.0" class="mw-redirect" title="VLA-CASA-Flagging-CASA4.6.0">VLA-CASA-Flagging-CASA4.6.0</a> to <a href="/index.php?title=VLA_CASA_Flagging-CASA4.6.0" title="VLA CASA Flagging-CASA4.6.0">VLA CASA Flagging-CASA4.6.0</a></p>
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<td colspan="1" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 17:02, 18 May 2016</td>
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Jott
https://casaguides.nrao.edu/index.php?title=VLA_CASA_Flagging-CASA4.6.0&diff=19526&oldid=prev
Jott: Created page with "* '''This CASA guide is designed for CASA 4.5.2''' == Overview == This CASA guide covers online data flagging, as well as shadowing, zero-clipping, and quacking. It also co..."
2016-05-18T20:58:01Z
<p>Created page with "* '''This CASA guide is designed for CASA 4.5.2''' == Overview == This CASA guide covers online data flagging, as well as shadowing, zero-clipping, and quacking. It also co..."</p>
<a href="https://casaguides.nrao.edu/index.php?title=VLA_CASA_Flagging-CASA4.6.0&diff=19526">Show changes</a>
Jott