Re: ISAAC

From: clidman (clidman@eso.org)
Date: Sat Apr 27 2002 - 02:29:10 PDT

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    Hi Ariel,
       This is a very good question. Last night was a technical night.
    We found that although the Aladdin is more efficient, it looks
    as if it will more difficult to flat field in J. We get an RMS of
    3% in the flux of a star that is stepped across the field. Given
    the S/N we are aiming for, this is OK. Tonight, I will be making
    a detailed comparison of the image quality. If the Aladdin holds
    up, I am tempted to use it instead of the Hawaii.

    Cheers, Chris.

    Ariel Goobar wrote:

    > Dear Chris,
    >
    > which chip will ISAAC be using SW-Hawaii or LW-Aladdin?
    > Cheers,
    > Ariel
    >
    > On Fri, 26 Apr 2002 clidman@eso.org wrote:
    >
    > > Dear ISAAC,
    > > ISAAC will be back in service mode from tomorrow night. Please
    > > confirm that you wish us to image S02-032.
    > >
    > > Cheers, Chris.
    > >
    > >
    >
    > --
    > ___________________________________________________________________
    > Ariel Goobar (ariel@physto.se)
    > FYSIKUM, Stockholm University
    > Stockholm Center for Physics, Astronomy & Biotechnology
    > tel: +46 8 55378659

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