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CTIO Blanco 4-m Telescope Target-of-Opportunity Observing Program Policies.

For the attention of: CTIO staff, Blanco 4-m telescope observers, CTIO Blanco 4-m telescope ToO program principal investigators.

Date: 6 Aug 2003

CTIO follows the NOAO Target of Opportunity observing program policy with the addenda given below for the V. M. Blanco 4-m telescope. We thank observers for their forbearance and co-operation with these policies.


The following table lists those persons authorized to initiate a ToO observation:
Person Name Email Telephone
Approved program PI or specified deputy See web page   
CTIO Support scientist for night in question See web page   
Blanco telescope manager / instrument scientist Tim Abbott tabbott@ctio.noao.edu Daytime: +56 51 205 216
Mobile: +56 9 874 8139
Director, CTIO Alistair Walker awalker@ctio.noao.edu Daytime: +56 51 205 305

  • ToO interrupts should be issued only for observations that are time critical. Non-time-critical followup observations should be pursued through other means.

  • ToO PIs may not a priori specify observing conditions under which the ToO observations are made; either the ToO observations are triggered or they are not.

  • ToO observations are authorized only for NOAO assigned telescope time. Observing runs assigned by the Chilean TAC may only be interrupted upon the consent of the scheduled observer.
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