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2019–20 Fulbright awardee Dr. Richard Gray to ‘unite the sky’ through astronomical partnership with South Africa’s UFS

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Dr. Richard Gray, professor in Appalachian State University’s Department of Physics and Astronomy. Photo by Chase Reynolds

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The 1.5-meter telescope housed in the University of the Free State’s Boyden Conservatory in South Africa. Photo courtesy of Dr. Richard Gray

“Long-term benefits for both of our institutions will be collaborative research in other STEM fields, faculty and student exchanges and opportunities for training … drawing especially from underrepresented groups in Appalachia and South Africa.”

Dr. Richard Gray, professor of astronomy, on his 2019–20 Fulbright project.

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Dr. Richard Gray, professor in Appalachian State University’s Department of Physics and Astronomy. Photo by Chase Reynolds

By Jessica Stump
Posted Nov. 1, 2019 at 12:35 p.m.

BOONE, N.C. — Dr. Richard Gray, professor in Appalachian State University’s Department of Physics and Astronomy, has been awarded a grant through the Fulbright Scholar Program for his project “Uniting the Sky: An Astronomical Partnership with the University of the Free State.”

During the 2019–20 academic year, Gray is teaching two courses on astronomical spectroscopy and conducting research as a visiting professor at the University of the Free State (UFS) in South Africa.

“The technique of astronomical spectroscopy uses a spectrograph, which takes the light from the astronomical object (star, galaxy, etc.) and spreads, or disperses, that light into its component colors or spectrum,” Gray explained.

“Astronomers use the resulting spectrum to determine the properties of that astronomical object — such as its line-of-sight velocity, its temperature (in the case of a single star) or its stellar content (in the case of a galaxy) and the abundances of the chemical elements,” he said.

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The 1.5-meter telescope housed in the University of the Free State’s Boyden Conservatory in South Africa. Photo courtesy of Dr. Richard Gray

The Fulbright Program, established in 1946 under legislation introduced by former U.S. Sen. J. William Fulbright, is sponsored by the U.S. Department of State’s Bureau of Educational and Cultural Affairs (ECA). The program provides participants — chosen for their academic merit as well as leadership potential — the opportunity to study, teach and conduct research, exchange ideas, and contribute to finding solutions to shared international concerns. To date, approximately 370,000 “Fulbrighters” have participated in the program since its inception.

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Appalachian State University’s Dark Sky Observatory. Appalachian faculty and their students use this research facility, located about 20 miles northeast of Boone at an elevation of over 3,000 feet, to conduct observational research in astrophysics. Photo by Marie Freeman

As part of his research, Gray will design and build an astronomical spectrograph for the UFS’s 1.5-meter telescope housed in the Boyden Observatory, which is located near Bloemfontein, the capital of South Africa.

“An astronomical spectrograph is an instrument, attached at the focus of a telescope, which uses an optical element, such as a prism or diffraction grating, to disperse white light into its component colors or spectrum,” Gray explained. “This allows the astronomer to make detailed studies of the astronomical object being observed.”

“Long-term benefits for both of our institutions will be collaborative research in other STEM fields, faculty and student exchanges and opportunities for training … drawing especially from underrepresented groups in Appalachia and South Africa.”

Dr. Richard Gray, professor of astronomy, on his 2019–20 Fulbright project.

He said the collaboration with UFS will include access to the Boyden telescope for Appalachian astronomers and reciprocal access by UFS astronomers to the 32-inch research telescope at the Dark Sky Observatory, making “the entire sky accessible to astronomers at both institutions.”

“Long-term benefits for both of our institutions will be collaborative research in other STEM fields, faculty and student exchanges and opportunities for training a new generation of astronomers at both institutions, drawing especially from underrepresented groups in Appalachia and South Africa,” Gray explained.

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The 32-inch telescope at Appalachian’s Dark Sky Observatory. This telescope features a spectrograph designed and built by Dr. Richard Gray with the help of retired machinist Robert Miller. Photo courtesy of Dr. Richard Gray

Gray holds a B.A. in mathematics from Washington State University. He earned both his M.S. and Ph.D. in astronomy from the University of Toronto.

During his time at Appalachian, Gray has designed and constructed four astronomical spectrographs, three of which are in use in telescopes in the Dark Sky Observatory and one that is used for the 16-inch telescope in the university’s Rankin Science Observatory.

At Appalachian, he teaches courses in environmental and computational physics, thermal physics, techniques of astronomical spectroscopy, astrophysics, planets and exoplanets and computational astronomy.

His research is in the field of stellar spectroscopy, with interests that include the discovery and classification of chemically peculiar stars, Lambda Bootis stars in particular, which is a group of stars that show marked low abundance, or unusually low abundance of iron peak elements in their surface layers.

In addition to his research on Lambda Bootis stars, Gray monitors a set of young solar analogs (YSAs) in an effort to learn more about the space environment of the Earth when life was first forming nearly 4 billion years ago.

He is a member of the International Astronomical Union and American Astronomical Society, and is a fellow of the Royal Astronomical Society. He is also an international collaborator on the LAMOST-Kepler project, which is obtaining spectra of tens of thousands of stars using the Chinese LAMOST spectroscopic telescope in the Kepler field.

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App State faculty earn record number of Fulbright awards for university
App State faculty earn record number of Fulbright awards for university
Nov. 1, 2019

Six nations are represented by Appalachian’s record number of Fulbright awards, which are designed to enhance global relations and problem-solving.

Read the story
App State Fulbright Scholar Program
App State Fulbright Scholar Program

The Fulbright Program is the flagship international educational exchange program sponsored by the U.S. government and was created to increase mutual understanding between the people of the United States and the people of other countries.

At App State, the program is administered through the Office of International Education and Development (OIED) and Office of Research.

Learn more
Dark Sky Observatory
Dark Sky Observatory

Appalachian State University's Dark Sky Observatory is the research facility used by faculty and their students to conduct observational research in astrophysics. It is equipped with four telescopes, each used regularly for CCD imaging and photometry, with spectrographic instrumentation also available at the 32-inch. Established in 1981, the observatory is located about 20 miles northeast of Boone at an elevation of a kilometer. Far from major cities, its dark skies provide a good setting for digital imaging and spectroscopy done in stellar and solar system research projects.

Learn more

About the Department of Physics and Astronomy

The Department of Physics and Astronomy’s curriculum has an applied nature that includes a core of fundamental physics courses and laboratory experiences. The department prepares graduates for a variety of scientific, teaching or engineering professions, as well as future educational endeavors. Learn more at https://physics.appstate.edu.

About the College of Arts and Sciences

The College of Arts and Sciences (CAS) at Appalachian State University is home to 17 academic departments, two centers and one residential college. These units span the humanities and the social, mathematical and natural sciences. CAS aims to develop a distinctive identity built upon our university's strengths, traditions and locations. The college’s values lie not only in service to the university and local community, but through inspiring, training, educating and sustaining the development of its students as global citizens. More than 6,800 student majors are enrolled in the college. As the college is also largely responsible for implementing App State’s general education curriculum, it is heavily involved in the education of all students at the university, including those pursuing majors in other colleges. Learn more at https://cas.appstate.edu.

About Appalachian State University

As a premier public institution, Appalachian State University prepares students to lead purposeful lives. App State is one of 17 campuses in the University of North Carolina System, with a national reputation for innovative teaching and opening access to a high-quality, affordable education for all. The university enrolls more than 21,000 students, has a low student-to-faculty ratio and offers more than 150 undergraduate and 80 graduate majors at its Boone and Hickory campuses and through App State Online. Learn more at https://www.appstate.edu.

“Long-term benefits for both of our institutions will be collaborative research in other STEM fields, faculty and student exchanges and opportunities for training … drawing especially from underrepresented groups in Appalachia and South Africa.”

Dr. Richard Gray, professor of astronomy, on his 2019–20 Fulbright project.

App State faculty earn record number of Fulbright awards for university
App State faculty earn record number of Fulbright awards for university
Nov. 1, 2019

Six nations are represented by Appalachian’s record number of Fulbright awards, which are designed to enhance global relations and problem-solving.

Read the story
App State Fulbright Scholar Program
App State Fulbright Scholar Program

The Fulbright Program is the flagship international educational exchange program sponsored by the U.S. government and was created to increase mutual understanding between the people of the United States and the people of other countries.

At App State, the program is administered through the Office of International Education and Development (OIED) and Office of Research.

Learn more
Dark Sky Observatory
Dark Sky Observatory

Appalachian State University's Dark Sky Observatory is the research facility used by faculty and their students to conduct observational research in astrophysics. It is equipped with four telescopes, each used regularly for CCD imaging and photometry, with spectrographic instrumentation also available at the 32-inch. Established in 1981, the observatory is located about 20 miles northeast of Boone at an elevation of a kilometer. Far from major cities, its dark skies provide a good setting for digital imaging and spectroscopy done in stellar and solar system research projects.

Learn more

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Appalachian Today is an online publication of Appalachian State University. This website consolidates university news, feature stories, events, photo galleries, videos and podcasts.

If you cannot find what you're looking for here, please refer to the following sources:

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Appalachian Today is an online publication of Appalachian State University. This website consolidates university news, feature stories, events, photo galleries, videos and podcasts.

If you cannot find what you're looking for here, please refer to the following sources:

  • Podcasts may be found at Appalachian State University Podcasts
  • Stories and press releases published prior to Jan. 1, 2015 may be found in University Communications Records at the Special Collections Research Center.
  • A university-wide Google Calendar may be found at Events at Appalachian
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