[daip] [!8690]: AIPS - Factor in CONVL
Eric Greisen
noreply at nrao.edu
Mon Jul 18 15:49:42 EDT 2016
Eric Greisen updated #8690
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Staff (Owner): Eric Greisen (was: -- Unassigned --)
Status: Closed (was: Open)
Due: - Cleared - (was: 20 July 2016 06:41 PM)
Factor in CONVL
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Ticket ID: 8690
URL: https://help.nrao.edu/staff/index.php?/Tickets/Ticket/View/8690
Full Name: Hansung Gim
Email: hgim at astro.umass.edu
Creator: User
Department: AIPS Data Reduction
Staff (Owner): Eric Greisen
Type: Issue
Status: Closed
Priority: Default
Template Group: Default
Created: 18 July 2016 06:41 PM
Updated: 18 July 2016 07:49 PM
The units are Jy/beam - you have increased the beam area by a factor of 17.25
but the noise went up only by a factor of 3 in Jy per the much larger beam. You
are coming out ahead so long as the signal in Jy/(new beam) is larger by more than
a factor of 3.
Eric Greisen
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