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Lauren RubensteinFebruary 13, 20181min
Meredith Hughes, assistant professor of astronomy, assistant professor of integrative sciences, has been named a Cottrell Scholar for 2018 by the Research Corporation for Science Advancement (RCSA). Hughes is one of two dozen early career academic scientists to receive this honor, which comes with a $100,000 award for research and teaching. “The Cottrell Scholar (CS) program champions the very best early career teacher-scholars in chemistry, physics and astronomy by providing these significant discretionary awards,” said RCSA President and CEO Daniel Linzer. (more…)

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Lauren RubensteinOctober 17, 20172min
Writing in The Conversation, Roy Kilgard, research associate professor of astronomy, explains the significance of an exciting new discovery in astronomy. For the first time, astrophysicists have observed merging neutron stars using LIGO (the Laser Interferometer Gravitational-Wave Observatory) and the Virgo interferometer. Kilgard writes: This news may confirm a longstanding theory: that some gamma-ray bursts (GRBs for short), which are among the most energetic, luminous events in the universe, are the result of merging neutron stars. And it is in the crucible of these mergers that most heavy elements may be forged. Researchers can’t produce anything like the temperatures or pressures of…

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Randi Alexandra PlakeSeptember 18, 20172min
A team of scientists from Wesleyan, led by Associate Professor of Astronomy Seth Redfield and graduate student Prajwal Niraula MA '18, has co-authored a paper on the discovery of three planets, or super-Earths, transiting around a nearby star, just 98 light-years away. “Super-Earths are slightly larger than Earth, and the three of them straddle the divide between the rocky planets like Earth and ice giants like Neptune,” explains Redfield. These planets were found using the Kepler Space Telescope. “Kepler has found thousands of exoplanets these last eight years, but this is the closest planetary system that Kepler has ever found, although closer planetary systems have been…

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Olivia DrakeAugust 21, 20171min
Wesleyan's Department of Astronomy hosted a public eclipse viewing on Aug. 21, outside the Van Vleck Observatory. Hundreds of Wesleyan and local community members attended this historic event. Although Middletown wasn't in the narrow path of totality, viewers still were able to witness about 65 percent of the sun disappear. In addition to telescopes and eclipse glasses for safely viewing the Sun, participants were encouraged to tour the Department of Astronomy's historical exhibition and see images from the 1925 solar eclipse that passed directly over Wesleyan. A live streaming feed of the eclipse also was shown in a classroom. (more…)

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Laurie KenneyAugust 15, 20171min
The campus and local community is invited to witness the partial eclipse of the Sun at Wesleyan's Van Vleck Observatory on Aug. 21. While Middletown isn't in the narrow path of totality, viewers should still be able to see about 65 percent of the Sun disappear. Telescopes for the family-friendly event will be set up at 1 p.m., and the eclipse will begin at approximately 1:20 p.m., with mid-eclipse falling at approximately 2:40 p.m. The event is hosted by Wesleyan's Astronomy Department and is free of charge. (more…)

Olivia DrakeApril 14, 20172min
Jim Greenwood, assistant professor of earth and environmental sciences, and Bill Herbst, the John Monroe Van Vleck Professor of Astronomy, professor of integrative sciences, have received a research award from NASA in the amount of $550,000 for a program titled “Experimental simulations of chondrule formation by radiative heating of hot planetesimals." The grant will allow Greenwood and Herbst to hire a post-doctoral fellow who will work in Greenwood’s lab in Exley Science Center to reproduce chondrules — small spherules of melted rock that formed early in the history of the solar system and hold clues to the origin of the planets.…

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Olivia DrakeJanuary 26, 20173min
Arthur Reinhold Upgren, the John Monroe Van Vleck Professor of Astronomy, Emeritus, died on Jan. 21, a month before his 84th birthday. Upgren received his PhD from Case Western Reserve University before coming to Wesleyan as an assistant professor in 1966. He was the Director of the Van Vleck Observatory from 1973 to 1993. He held his endowed chair from 1982 until his retirement in 2000. Upgren was an author or co-author of 285 publications in the astronomical literature, including one that appeared in 2016. His research interests were in the areas of parallax (distance measurement) of stars and galactic…

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Lauren RubensteinJanuary 9, 20174min
Wesleyan Associate Professor of Astronomy Seth Redfield and astronomy student Julia Zachary '17 recently reported at the 229th meeting of the American Astronomical Society on their research using data from the Hubble Space Telescope combined with two Voyager spacecraft probes, both very long-lived and successful NASA missions. The findings were shared in dozens of news outlets from the U.S. to India to Afghanistan. According to Nature.com, "The work is a rare marriage of two of the most famous space missions — and an unprecedented glimpse at the realm between the stars." “If the Voyager spacecraft and the Google Street View car are going…

Randi Alexandra PlakeJanuary 5, 20171min
Bill Herbst, the John Monroe Van Vleck Professor of Astronomy; Martha Gilmore, the George I. Seney Professor of Geology; Wilson Cauley, a post-doctoral fellow; and Nicole Arulanantham MA ’15 are the co-authors of a paper forthcoming in The Astrophysical Journal. The paper is based on Arulanantham's thesis research at Wesleyan. The paper also was featured in the December newsletter of the Gemini Observatory, an international observatory based in Hawaii and Chile. “The subject of the paper, a star known as KH 15D, was recognized as an important and interesting object in the 1990s through observations made on the Wesleyan campus by undergraduate and graduate students,” Herbst explained.…

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Lauren RubensteinDecember 14, 20162min
Four Wesleyan undergraduate students have received grants from NASA's Connecticut Space Grant Consortium. Astronomy major Hannah Fritze '18 was awarded $5,000 for an Undergraduate Research Fellowship Grant titled, “Searching for Intermediate Mass Black Holes in Ultraluminous X-ray Binaries.” This grant will support her research this coming semester on black holes with Roy Kilgard, support astronomer and research associate professor of astronomy. Avi Stein '17, who is majoring in astronomy, was awarded $1,000 for a Student Travel Grant. He will be presenting his research on Venus—conducted with Martha Gilmore, the George I. Seney Professor of Geology, professor of earth and environmental sciences—at…