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UCO home > Observing > Lick Observing > Lick ToO Policy

Lick ToO Policy

July 19, 2013

Dear colleagues,

At the Fall 2012 UCO Advisory Committee meeting there was an extensive discussion of the UC Target of Opportunity (ToO) rules for Lick Observatory-based observations. At the end of the discussion, the committee voted in favor of having the Lick policy mirror the policy of UC at the Keck Observatory. To remind you, the current Keck policy for UC is described as follows:

"The UCOAC voted on and approved a proposal that all UC programs allocated at least one night of observing time will be subject to donating up to one hour of each night to approved ToO programs. The observers will be able to briefly negotiate when to take the observations (e.g., to delay until completion of a current exposure, if necessary), but they are discouraged from questioning the scientific merits of these TAC-approved programs. The one hour per night is actual clock time from the termination of the observer's own program and includes the overhead for the observer to configure the instrument for the ToO observation and to reconfigure the instrument to resume the normal program. Coauthorship on a resulting paper will be offered to the observer. This policy will start in Semester 2011A. The TAC will recommend a specific number of maximum hours for approved ToO programs and the actual interrupts will be tracked each semester."

We are implementing the Lick ToO policy in Semester 2013B. In summary the policy is:

  • A ToO program may request up to 1hr of clock time.
  • The interrupt is mandatory but the execution time may be discussed.
  • The observer is only required to execute one ToO program per night (the first program to request).
  • Co-authorship must be offered to the observing team.
  • A list of TAC approved programs for 2013B may be found below. I note that the PI's are coordinating with one another to avoid multiple ToO requests on any given night.

Sincerely, Xavier
Associate Director, University of California Observatories

University of California, Santa Cruz
(831) 459-2991

Lick 3 m ToO 2013B Programs

Program PI Instrument(s) Allocated ToO Time
S010 Aaron Barth Kast Spectrograph One 30-min interrupt every night that Kast is on the telescope.
S028 Jonathan Trump Kast Spectrograph One 1-hr interrupt every three nights that Kast is on the telescope.