Guaranteed Time Observations (GTOs)
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GTO general information
The Spitzer Guaranteed Time Observation (GTO) program results from a 1983 NASA Announcement of Opportunity and competitive selection of Instrument Teams and the Spitzer science team. For the first 2.5 years of Spitzer's prime mission, 20 percent of observing time was allocated to the GTO program. The Principal Investigators (PIs) of the three science instrument teams were each allocated 5 percent of the observing time. The balance was shared equally among these members of the Spitzer Science Working Group (SWG). Beyond 2.5 years, the GTO allocation was reduced to 15 percent of the observing time, and was split equally among the three PIs of the instrument teams. The GTO teams did not receive any separate observing time during the Warm Mission.
GTO Abstracts
The GTO programs are listed in the Spitzer Reserved Observations Catalog (ROC) and the abstracts are listed here.
People
The Guaranteed Time Observers are:Instrument Team Principal Investigators (members of SWG)
- Giovanni G. Fazio, InfraRed Array Camera (IRAC)
Smithsonian Astrophysical Observatory - James R. Houck, InfraRed Spectrometer (IRS)
Cornell University - George Rieke, Multiband Imaging Photometer for Spitzer (MIPS)
University of Arizona
- Michael W. Werner, Project Scientist
Jet Propulsion Laboratory - Dale P. Cruikshank, Interdisciplinary Scientist
NASA/Ames Research Center - Robert D. Gehrz, User Community Coordinator
University of Minnesota - Michael Jura, Interdisciplinary Scientist
University of California - Los Angeles - Charles R. Lawrence, Deputy Project Scientist
Jet Propulsion Laboratory - Frank J. Low, Facility Scientist
University of Arizona - Marcia J. Rieke, Outreach Coordinator
University of Arizona - Thomas L. Roellig, Facility Scientist
NASA/Ames Research Center - Edward L. (Ned) Wright, Interdisciplinary Scientist
University of California - Los Angeles
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