SOFIA to embark on new cycle of science observations

Aug 31, 2012
Astronomers and mission operations staff monitor data at their consoles during a science flight aboard the SOFIA flying observatory. The FORCAST instrument is mounted on the blue pressure bulkhead; the telescope itself is mounted on the other side of the bulkhead. (NASA/DLR/USRA/DSI/FORCAST team)

(—The Stratospheric Observatory for Infrared Astronomy, or SOFIA, a joint program between NASA and the German Aerospace Center DLR, is set to begin its first full cycle of science flights starting in November 2012 and extending through December 2013. SOFIA's Science Mission Operations Director Erick Young today announced the list of researchers who have been awarded time to study the universe with this unique infrared observatory.

SOFIA is a heavily modified 747SP aircraft that carries a telescope with an effective diameter of 100 inches (2.5 meters) to altitudes above 39,000 feet (12 km), beyond the obscuring layer of in Earth's atmosphere.

In announcing the observing time awards, Young noted, "More than 1,000 hours of observing time were requested, five times the amount available, evidence of SOFIA's desirability to astronomers. The approved projects make good use of the observatory's capabilities to study objects ranging from Earth's solar system neighbors to galaxies hundreds of millions of light years away."

SOFIA's first observations were made in December 2010. During 2011, SOFIA accomplished 30 flights in the "Early Science" program as well as a deployment to Germany from its base at NASA's Dryden Aircraft Operations Facility in Palmdale, Calif.

The newly announced observing period, known as Cycle 1, includes 46 science flights grouped in four multi-week observing campaigns spread through a 13-month span. The Cycle 1 science flights include approximately 330 research flight hours, about 200 hours of which have been awarded to guest investigators whose proposals to observe with SOFIA were evaluated by U.S. and German-chartered peer review panels.

In addition to the 46 science flights planned for Cycle 1, during the coming months SOFIA will undertake commissioning observations needed to make the first four of the observatory's seven first-generation scientific instruments ready for use by guest investigators. The four instruments to be employed during Cycle 1 are: the FORCAST mid-infrared camera and spectrometer (Principal Investigator Terry Herter, Cornell University); the GREAT far-infrared spectrometer (P.I. Rolf Guesten, Max Planck Institute for Radio Astronomy); the HIPO high-speed photometer (P.I. Ted Dunham, Lowell Observatory); and the FLITECAM near-infrared camera and spectrometer (P.I. Ian McLean, University of California at Los Angeles).

Twenty-six U.S. educators in the Airborne Astronomy Ambassadors program previously were chosen to participate in SOFIA Cycle 1 flights as partners with the astronomers. These educators, including classroom teachers and science museum staff, were selected based on the quality of their plans to bring SOFIA training and flight experiences back to their classrooms and communities. Six German Airborne Ambassador educators also are expected to participate in SOFIA flights during Cycle 1.

"Last year, SOFIA demonstrated that it is well on its way to being a first-class asset to the world scientific community. Since then, the observatory staff has been working hard to complete integrated systems testing, fine-tuning of observatory performance, and planning for international operations," said Pete Zell, NASA SOFIA Science Project manager. "This SOFIA 1 announcement marks an important step in our progress. Infrared studies from these observations will enhance our knowledge of the life cycles of stars, how planets form, the chemistry of the interstellar medium, and much more."

SOFIA is a joint project of NASA and the German Aerospace Center (DLR) that is based and managed at NASA's Dryden Aircraft Operations Facility in Palmdale, Calif. 's Ames Research Center at Moffett Field, Calif., manages the SOFIA science and mission operations in cooperation with the Universities Space Research Association (USRA) headquartered in Columbia, Md., and the German SOFIA Institute (DSI) at the University of Stuttgart.

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