<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><br></div>Dear Eric and AIPS support,<div><br></div><div><span class="Apple-tab-span" style="white-space:pre"> </span>sorry for the spam. I was not thinking in real and imaginary values.</div><div><br></div><div>Sorry again</div><div><br></div><div>Hans<br><div><br></div><div><br></div><div><br></div><div><div>Begin forwarded message:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px;"><span style="font-family:'Helvetica'; font-size:medium; color:rgba(0, 0, 0, 1);"><b>From: </b></span><span style="font-family:'Helvetica'; font-size:medium;">Hans-Rainer Kloeckner <hrkloeckner@gmail><br></span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px;"><span style="font-family:'Helvetica'; font-size:medium; color:rgba(0, 0, 0, 1);"><b>Date: </b></span><span style="font-family:'Helvetica'; font-size:medium;">10 November 2011 17:02:18 CET<br></span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px;"><span style="font-family:'Helvetica'; font-size:medium; color:rgba(0, 0, 0, 1);"><b>To: </b></span><span style="font-family:'Helvetica'; font-size:medium;"><a href="mailto:aipsmail@nrao.edu">aipsmail@nrao.edu</a><br></span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px;"><span style="font-family:'Helvetica'; font-size:medium; color:rgba(0, 0, 0, 1);"><b>Subject: </b></span><span style="font-family:'Helvetica'; font-size:medium;"><b>VPLOT negative fluxes</b><br></span></div><br><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><br></div><div>Dear Eric, Dear Aips support,</div><div><br></div><div><span class="Apple-tab-span" style="white-space:pre"> </span>sorry for this basic question. Is there a way in AIPS to plot negative flux (even its un-physical)? </div><div><br></div><div><br></div><div>I have used UVSUB to subtract some local sky model from my dataset, but if I look with VPLOT it only shows me positive fluxes.</div><div><br></div><div>I have attached two screen shots explaining what I mean in detail. </div><div><br></div><div>--- VPLOT on file F2501 shows the visibilities and the model</div><div><br></div><div>--- VPLOT on file FF501DS shows the visibilities model subtracted </div><div><br></div><div><br></div><div>NOW e.g. for baseline 1-10 I would expect negative flux, but vplot shows only positive flux. </div><div><br></div><div><br></div><div><br></div><img id="327af113-c482-4432-8cd6-ce295fec82a0" height="600" width="620" apple-width="yes" apple-height="yes" src="cid:F16CDF95-AD52-415B-8643-94BA13E09F80"><div><br></div><div><img id="0778810f-63bb-4c27-896c-6cb5d809fd09" height="606" width="620" apple-width="yes" apple-height="yes" src="cid:D4B68E79-C4EC-4B92-BE7F-467A40A82C52"><br><div><br class="webkit-block-placeholder"></div><div>Thanks for your help.</div><div><br></div><div>cheers,</div><div><br></div><div>Hans</div><div><br class="webkit-block-placeholder"></div><div>
<div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div>--------------------------------------------------------<br>Hans-Rainer Kloeckner<br>--------------------------------------------------------<br><div>Max-Planck-Institut fuer Radioastronomie<br>Auf dem Huegel 69<br>53121 Bonn<br>Germany<br>+49 (0)228 525-481<br><a href="mailto:hrk@mpifr-bonn.mpg.de">hrk@mpifr-bonn.mpg.de</a><br>--------------------------------------------------------</div></div><div>University of Oxford<br>Denys Wilkinson Building<br>Keble Road<br>Oxford OX1 3RH<br>United Kingdom<br>+44 (0)1865 273303<br><a href="mailto:hrk@astro.ox.ac.uk">hrk@astro.ox.ac.uk</a><br></div></div>--------------------------------------------------------<div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><span class="Apple-style-span" style="border-collapse: separate; font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><div><br></div></div></div></span></div><br class="Apple-interchange-newline">
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<span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div>--------------------------------------------------------<br>Hans-Rainer Kloeckner<br>--------------------------------------------------------<br><div>Max-Planck-Institut fuer Radioastronomie<br>Auf dem Huegel 69<br>53121 Bonn<br>Germany<br>+49 (0)228 525-481<br><a href="mailto:hrk@mpifr-bonn.mpg.de">hrk@mpifr-bonn.mpg.de</a><br>--------------------------------------------------------</div></div><div>University of Oxford<br>Denys Wilkinson Building<br>Keble Road<br>Oxford OX1 3RH<br>United Kingdom<br>+44 (0)1865 273303<br><a href="mailto:hrk@astro.ox.ac.uk">hrk@astro.ox.ac.uk</a><br></div></div>--------------------------------------------------------<span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><div><br></div></div></div></span></div></span></span><br class="Apple-interchange-newline">
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