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Colloq Abstract -Stovall

March 17

11am Mountain

Kevin Stovall (NRAO)

Searching for New Pulsars for the North American Nanohertz Observatory for Gravitational Waves

Abstract:

The North American Nanohertz Observatory for Gravitational Waves (NANOGrav) is an effort to detect gravitational waves at nanohertz frequencies using an array of millisecond pulsars (MSPs). I will describe the current status of NANOGrav and some of the ongoing efforts to increase the sensitivity of the timing array by finding new high-quality MSPs. There are multiple ongoing large area surveys to find new MSPs, including the Green Bank North Celestial Cap (GBNCC) and the Arecibo 327-MHz Drift Scan (AO327) surveys. I will describe these two surveys and present their current status.

The NSF National Radio Astronomy Observatory and NSF Green Bank Observatory are facilities of the U.S. National Science Foundation operated under cooperative agreement by Associated Universities, Inc.

Founded in 1956, the NSF NRAO provides state-of-the-art radio telescope facilities for use by the international scientific community. NSF NRAO telescopes are open to all astronomers regardless of institutional or national affiliation. Observing time on NSF NRAO telescopes is available on a competitive basis to qualified scientists after evaluation of research proposals on the basis of scientific merit, the capability of the instruments to do the work, and the availability of the telescope during the requested time. NSF NRAO also provides both formal and informal programs in education and public outreach for teachers, students, the general public, and the media.

Searching for New Pulsars for the North American Nanohertz Observatory for Gravitational Waves

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The NSF National Radio Astronomy Observatory and NSF Green Bank Observatory are facilities of the U.S. National Science Foundation operated under cooperative agreement by Associated Universities, Inc.