Re: VLT

From: Robert A. Knop Jr. (robert.a.knop@vanderbilt.edu)
Date: Sat May 11 2002 - 11:29:37 PDT

  • Next message: Tony Spadafora: "[Fwd: Update on Guide Stars for potential HST candidates]"

    > For tonight, we could ask them to observe T02-015, C02-031,
    > or both.
    >
    > If the seeing is better than 0.6, I'll ask them to use the 0.7" slit as this
    > gives us better wavelength coverage. If the offsets are good to 0.1", this
    > should be safe.

    I don't know if offsets are good to 0.1", but I believe they are
    probably good to 0.2-0.3". For dimmer candidates, the *candidate*
    position is probably not good to 0.1" (which is 1/3 of a CTIO pixel),
    which will of course set a limit on how good the offset is.

    However, even with an error of 0.3" in the offset, an 0.7" slit is
    probably still a good bet.

    -Rob

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