The Allen Telescope Array: The First Widefield, Panchromatic, Snapshot Radio Camera for Radio Astronomy and SETI

Jack Welch , Don Backer , Leo Blitz , Douglas Bock , Geoffrey C. Bower , Calvin Cheng , Steve Croft , Matt Dexter

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Greg Engargiola Ed Fields James Forster Colby Gutierrez-Kraybill Carl Heiles Tamara Helfer Susanne Jorgensen Garrett Keating John Lugten Dave MacMahon Oren Milgrome Douglas Thornton Lynn Urry Joeri van Leeuwen Dan Werthimer Peter H. Williams Melvin Wright Jill Tarter Robert Ackermann Shannon Atkinson Peter Backus William Barott Tucker Bradford Michael Davis Dave DeBoer John Dreher Gerry Harp Jane Jordan Tom Kilsdonk Tom Pierson Karen Randall John Ross Seth Shostak Matt Fleming Chris Cork Artyom Vitouchkine Niklas Wadefalk Sander Weinreb

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classification 🌌 astro-ph.IM

keywords firstradiotelescopeallenarraycameraconductingcost

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The first 42 elements of the Allen Telescope Array (ATA-42) are beginning to deliver data at the Hat Creek Radio Observatory in Northern California. Scientists and engineers are actively exploiting all of the flexibility designed into this innovative instrument for simultaneously conducting surveys of the astrophysical sky and conducting searches for distant technological civilizations. This paper summarizes the design elements of the ATA, the cost savings made possible by the use of COTS components, and the cost/performance trades that eventually enabled this first snapshot radio camera. The fundamental scientific program of this new telescope is varied and exciting; some of the first astronomical results will be discussed.

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The Allen Telescope Array: The First Widefield, Panchromatic, Snapshot Radio Camera for Radio Astronomy and SETI

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