Re: multiplexed HST )and other) followup

From: Tony Spadafora (ALSpadafora@lbl.gov)
Date: Thu Nov 07 2002 - 20:19:02 PST

  • Next message: Greg Aldering: "Keck seeing"

    Greg,

    -073 and -076 are 17 arcsec apart. (-073 is a priority 4 but see Alex &
    Alex were suspicious of it - see comments.)

    -Tony

    Greg Aldering wrote:
    >
    > Last night we noticed quite by accident that -012 and -026 are very
    > close to one another - separated by 29 arcsec. This means that we can
    > observe both of them with ACS (imaging and grism) at the same time. We
    > would have to find an ACS pointing location that contains both for the
    > full range of ORIENT angles. Unfortunately they are too far apart to be
    > observed with NICMOS as the field is 19 x 19 arcseconds (diagonal of
    > 26.8 arcsecond).
    >
    > The other implication is that with a long slit specttrograph (GMOS,
    > FORS, FOCAS) these objects could have been observed simultaneously,
    > rather than serially with ESI. Could someone examine SNTRAK to see
    > whether there are other pairs of priority 5 or 4 which are within
    > a few arcminutes? These might be best observed elsewhere than Keck
    > (and may be additional ACS freebies).
    >
    > - Greg

    -- 
    Tony Spadafora                                ALSpadafora@lbl.gov 
    Physics Division                              Tel: (510) 495-2316 
    Lawrence Berkeley National Lab                FAX: (510) 486-6738 
    1 Cyclotron Road BLDG 50R5032
    Berkeley, CA 94720-8160
    


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