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NANOGrav — North American Nanohertz Observatory for Gravitational Waves
Overview The North American Nanohertz Observatory for Gravitational Waves Physics Frontiers Center (NANOGrav PFC) is an international collaboration using ultra-stable millisecond pulsars to detect gravitational waves. NANOGrav observes a pulsar timing array (PTA) of dozens of millisecond pulsars with approximately monthly cadence using the Robert C. Byrd Green Bank Telescope and the William E. Gordon…
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GOTHAM — GBT Observations of TMC-1: Hunting Aromatic Molecules
GOTHAM is an extremely high-sensitivity (2 mK), high-resolution (0.02 km/s) spectral line survey of the cold core TMC-1 in X, K, and Ka bands. Pilot, targeted observations of the source over only <2 GHz of total bandwidth resulted in the detection of three new astronomical molecules, including the first radio detection of a benzene-ring aromatic…
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GDIGS — The GBT Diffuse Ionized Gas Survey
The GBT Diffuse Ionized Gas Survey (GDIGS) is a large ongoing survey to map radio recombination line emission from diffuse ionized gas in the Galactic plane. Diffuse ionized gas known as the “Warm Ionized Medium (WIM)” is a major component of the interstellar medium, making up ∼20% of the total Milky Way gas mass and…
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Drift Scan Survey for Pulsars, FRBs, Radio Transients, and Gas in Galaxies
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AstroBIO 2019
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MUSTANG Penetrates the Central Molecular Zone
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Holiday Asteroid Imaged with NASA Radar
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Global Properties of HI in Galaxies
Workshop, April 1-3, 2012 A Green Bank Workshop titled “Global Properties of HI in Galaxies” was held at the NRAO (now GBO) in Green Bank, WV in honor of the 35th anniversary of the discovery of the Tully-Fisher relationship. This workshop brought together researchers and students to discuss recent results on HI in galaxies.