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Proposals for the 2018A observing semester will be due September 14, 2017. The 2018A proposal call will be posted in mid-August 2017.
Notice of Future Call for NASA Keck Key Strategic Mission Support Programs

NASA is a 1/6 partner in the two 10-m telescopes of the William M. Keck Observatory. Access to NASA's share of this time on the Keck telescopes, approximately 90 nights per year, is available to all astronomers resident at US institutions. Proposals are submitted twice a year to the NASA Exoplanet Science Institute (NExScI) which runs the selection process on behalf of all science disciplines in NASA's Astrophysics and Planetary Science Divisions. Observing time is awarded on the basis of scientific merit and the degree to which the proposed program supports NASA missions and/or NASA's strategic goals.

Starting in 2016, NASA set aside 1/3 of its allocation for Key Strategic Mission Support programs (KSMS). These programs were required to demonstrate a critical need for ground-based data in direct support of an on-going or a future space mission. In the 2016A semester, NASA selected three KSMS projects for a 2 year duration: follow-up of transiting exoplanet candidates found by the K2 mission (Andrew Howard, PI, Hawaii/Caltech, 40 nights over 2 years); calibration of photometric redshifts for the EUCLID mission using spectroscopic redshifts of over 1,000 galaxies (Dan Stern, JPL, PI, 10 nights over 2 years); and a search for evidence of water and active generation of plumes in support of the Europa Clipper project (Lucas Paganini, U. Catholic/GSFC, PI, 10 nights over 2 years). All three programs come to an end at the completion of the 2017B semester.

In the expectation that NASA's 5-year Cooperative Agreement with William M. Keck Observatory will be renewed for the period 2018-2022, The 2018A KSMS opportunity will be open for topics/missions in astrophysics and planetary science. However, due to uncertainties in the actual launch dates for, and the availability of data from, TESS and JWST, KSMS proposals will NOT be accepted for these two missions in 2018A. PIs interested in precursor or early follow-up observations for these two missions can still propose for general Mission Support projects in semesters 2018A-2019A, in addition to the next KSMS proposal call planned for the 2019B semester. We expect that successful proposers will be funded, depending on the number of allocated nights, to assist with data analysis and the development of data products.

Details of the opportunity and the proposal process will be announced when the 2018A Call for Proposals is released in late July with non-binding notices of intent due August 16, 2017 (submitted via email to keckcfp@ipac.caltech.edu). A KSMS project is typically multi-semester, spanning 10-60 nights over a time period of up to three years.


Click here for information on proposal submission.

NASA Keck Single-Aperture Operations

NExScI administers NASA's portion of the time on the Keck Telescopes, issuing the twice yearly proposal solicitations, conducting the peer review, and finalizing selections.

The Keck Telescopes are operated for the California Association for Research in Astronomy (CARA), the University of Hawaii (UH), NASA and the California Institute of Technology by the W. M. Keck Observatory in Waimea, Hawaii. The Keck telescopes are two 10-meter aperture telescopes whose primary mirrors are each composed of thirty-six 2 meter mirror segments.

Remote Observing

Remote observing facilities (ROFs) at Caltech, Yale, and USRA (Columbia, MD) are available for use by NASA Keck time awardees. Scientists wishing to use the ROFs should start the approval process 5 weeks in advance of their scheduled observations.

Keck Observatory Archive

NExScI and WMKO have developed the Keck Observatory Archive (KOA) an archiving and access system for the following Keck datasets: DEIMOS, ESI, HIRES, Keck Interferometer, LRIS, MOSFIRE, NIRC2, and NIRSPEC.

Management and Operations Working Group (MOWG)

NExScI facilitates the NASA Keck Management and Operations Working Group (MOWG). The MOWG reviews all aspects of the operations of the facility, including budgets, observing proposal review, visitor support, telescope performance, maintenance, instrumentation, operational procedures, scientific results, and future plans. The group meets twice a year and reports to NASA Headquarters. Current membership of the NASA Keck MOWG can be found here.