麻豆app

Researchers from the are taking new steps to study gamma-ray bursts in the far reaches of the universe, thanks to a $500,000听grant from NASA.听

NASA has selected science proposals from four teams 鈥� including one from UNH led by Mark McConnell, professor of physics and astronomy 鈥� to further develop their research objectives over the next nine months in what鈥檚 called a 鈥渕ission concept study.鈥� NASA will then select two of these projects to become the next astrophysics missions in NASA鈥檚 Explorer Program, with mission launches targeted for 2025. If selected, the听project would receive $75 million to conduct the mission.听

"LEAP would offer the best gamma-ray polarimeter that anyone has flown to date. It would promise to revoluntionize our understanding of the gamma-ray burst phenomenon."

With collaborators from around the world, most notably at the (San Antonio, Texas), at (Huntsville, Alabama), and at the University of Alabama in Huntsville, the UNH-led team has proposed to design and build an instrument called LEAP (LargE Area burst Polarimeter). LEAP will attach to the International Space Station and record the bright flashes of intense gamma rays that come from faraway sources, including massive star supernovas and compact neutron star mergers 鈥斕�events that lead to the formation of a black hole.听

McConnell, who also serves as the director for the 听located on the UNH-Durham听campus, has a long history of conducting via spacecraft and high altitude scientific balloon flights. LEAP would build on this legacy, utilizing technology that will help scientists to better understand the nature of gamma ray bursts, which represent some of the largest releases of energy in the known universe. LEAP will measure the polarization of gamma rays to probe the role of magnetic fields in focusing the energy release into narrow beams of radiation. Polarization refers to the magnitude and direction of vibrating electric fields that make up the gamma radiation that we receive from space.

鈥淯sing polarimetry to study gamma ray bursts has been the goal of our balloon program for a while, but it鈥檚 challenging to do with balloons,鈥� McConnell says, noting the atmospheric absorption and limited flight time afforded by balloons. Astrophysicists need to get their instrumentation above the Earth鈥檚 atmosphere to collect more high-quality data from distant galaxies, so mounting LEAP on the International Space Station is a better alternative for this type of research, he explains.听

鈥淟EAP would offer the best gamma-ray polarimeter that anyone has flown to date,鈥� McConnell says.听听鈥淚t promises to revolutionize our understanding of the gamma-ray burst phenomenon.鈥�

The is UNH鈥檚 largest research enterprise, comprising six centers with a focus on interdisciplinary, high-impact research on Earth and climate systems, space science, the marine environment, seafloor mapping, and environmental acoustics. With more than $43 million in external funding secured annually, EOS fosters an intellectual and scientific environment that advances visionary scholarship and leadership in world-class research and graduate education.