Re: Updated candidate matches between Berkeley and Hawaii

From: Mamoru Doi (doi@ioa.s.u-tokyo.ac.jp)
Date: Wed Nov 06 2002 - 04:55:24 PST

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    Rob,

    O.K. We somehow thought simlar thing.
    We are going to take 8 exposures.
    So it should be O.K. We chose SXDS_5, because number
    of "holes" seem to be smaller in SXDS_5.

    We won't bother SXDS team this time.

    -Mamoru

    >On Wed, Nov 06, 2002 at 09:45:59PM +0900, Mamoru Doi wrote:
    >
    >> We are in the middle of SXDS_1 observations
    >> (seeing ~ 0.60aecsec), and we
    >> will start obs. of SXDS_5 in 15min.
    >>
    >> Do you really need special dithering patterns
    >> for the first two exposures? We are having 8x5min
    >> exposures.
    >>
    >> Since the default dithering pattern is determined
    >> by the SXDS team, it is very difficult for us
    >> to ask a special pattern.
    >>
    >> Could you tell me the reason?
    >
    >We will be OK without special dithering patterns.
    >
    >The reason was just filling in the "holes" where we had omitted images
    >due to bad seeing. If only a few images were to be taken, that would be
    >best.
    >
    >How many exposures are they going to take? If it's more than five or
    >so, then the specific dithering pattern doesn't matter at all-- it's
    >best if they just repeat what they did previous nights-- in other words,
    >thesame size of dithers and roughly same directions, but in whatever
    >order they want to do them.
    >
    >-Rob
    >
    >--
    >--Prof. Robert Knop
    > Department of Physics & Astronomy, Vanderbilt University
    > robert.a.knop@vanderbilt.edu

    Mamoru Doi
    Institute of Astronomy
    School of Science
    University of Tokyo
    voice +81-422-34-5084
    fax. +81-422-34-5041
    doi@ioa.s.u-tokyo.ac.jp

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