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HST CP and Primer for Cycle 23
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Hubble Space Telescope Call for Proposals for Cycle 23

HST Call For Proposals
January 2015
Hubble Space Telescope Call for Proposals for Cycle 23
Policies, Procedures
&
Phase I Proposal Instructions
Call for Proposals
We invite scientists to participate in Cycle 23 of the Hubble Space Telescope (HST). The telescope and its instruments were built under the auspices of the National Aeronautics and Space Administration (NASA) and the European Space Agency (ESA). Management of HST’s scientific program is carried out by the Space Telescope Science Institute (STScI). We anticipate allocating up to 3400 orbits in this cycle, including 1800 orbits for Small Programs, 600 orbits for Medium Programs, and 1000 orbits for Large and Treasury Programs. An additional 1000 Snapshot observations and 500 Pure-Parallel observations may be allocated. Abstracts of previously accepted programs can be found on the HST proposal catalogs webpage.
Phase I proposal deadline: Friday, April 10, 2015, 8:00 pm EDT
E/PO proposal deadline: Wednesday, August 19, 2015, 5:00 pm EDT
Where to Get Help
Contact the STScI Help Desk. Either send an e-mail to help@stsci.edu, call 1-800-544-8125, or call +1-410-338-1082 from outside the U.S. and Canada.
Who’s Responsible
The Science Policies Group (SPG), part of the STScI Science Mission Office (SMO), is responsible for the HST science program selection process. The SPG staff includes astronomers Claus Leitherer (Head of SPG), Neill Reid (Head of SMO), Andrew Fox, Andy Fruchter, Janice Lee, Jennifer Lotz, and Technical Manager Brett Blacker.
The Cycle 23 Call for Proposals was edited by
Louis-Gregory Strolger and Susan Rose,
based in part on versions from previous cycles, and with text and assistance from many different individuals at STScI, in particular Ron Downes, Dorothy Fraquelli, Svea Hernandez, Neill Reid, Ken Sembach, Paula Sessa, and Brad Whitmore.

Hubble Space Telescope Call for Proposals for Cycle 23

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