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Cornell Department of Astronomy & Space Sciences Spring 2021 Colloquium Series

Thursday, March 25, 2021 at 4:00pm to 5:00pm

Virtual Event

"The Josephine Lawrence Hopkins Foundation Colloquium":

“From Arecibo to FAST"

Abstract: Inspired by the visionary efforts of building Arecibo and developed into one of the final four SKA concepts, the Five-hundred-meter Aperture Spherical radio Telescope (FAST) was formally established as a stand-alone project in 2007. Through much trials and tribulation, FAST's construction commenced in 2011; achieved first light in 2016;  started normal operation in 2020. We will release the first internationally open call-for-proposa in the coming April.  I report here a few science highlights so far, particularly from the CRAFTS survey, which is an unprecedented large-scale commensal survey. Enabled by a novel calibration technique, CRAFTS simultaneously records pulsar, Galactic HI, extra-galactic HI, and transient data streams. CRAFTS has discovered more than 150 new pulsars, including at least one DNS system. We have imaged about 5% of the full sky, including the Lockman hole, the Orion region, etc. CRAFTS has also resulted in 5 new FRBs, including one high DM repeater that has been localized.

Dial-In Information

The colloquia are held every Thursday afternoon 4-5 pm. The public is welcome. To view via Zoom, please contact Monica Carpenter ( or Jason Jennings ( for the link.

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Di Li

Speaker Affiliation

National Astronomical Observatiories of China, Chinese Academy of Science

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