[daip] forwarded message from Eric Greisen

[Eric Greisen]

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From: Eric Greisen <egreisen at cv3.cv.nrao.edu>
To: Tracey Delaney <tdelaney at astro.umn.edu>
Subject: Re: [daip] beam area
Date: Wed, 1 Aug 2001 14:19:43 -0600

The actual formula is 1.1331 * Bmaj * Bmin.  You have left out a log
(2) base e.  The integral formulas are for exp(-(x/r)**2).  In that
case r = 2 sqrt(ln(2)) *  Bmaj..

Eric Greisen


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