Re: NOTE -- wrong magnitudes on individual images

From: Vitaliy Fadeyev (VAFadeyev@lbl.gov)
Date: Mon Apr 05 2004 - 10:02:48 PDT

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    That's not so great. The individual magnitudes may have entered in
    my decision-making in some cases. Granted those cases were doubtful
    to start with.

    vitaliy

    "Robert A. Knop Jr." wrote:

    > When you go into imview to look at the magnitudes on the invidual
    > images, the magnitudes you get are TOO HIGH (i.e. too dim) by 0.75
    > magnitudes, due to a bug in the processing. Please take this into
    > account. (imview still is fine for consistency checks.)
    >
    > Note also that the magnitudes in imview are for the host+the supernova,
    > so in general (when the magnitudes are right) you will see *lower*
    > (brighter) magnitudes in imview for the individual images than you see
    > in the subtraction. The bug offsets this (and will fortuitously offset
    > it just the right amount if %INC is 100), but it wasn't intentional!
    >
    > -Rob
    >
    > --
    > --Prof. Robert Knop
    > Department of Physics & Astronomy, Vanderbilt University
    > robert.a.knop@vanderbilt.edu

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