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Published byBranden Gordon Modified over 9 years ago
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ALFA Installation & Status Steve Torchinsky GALFA Meet3, Arecibo August 29, 2004
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Sky test in Australia March 16, 2004
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Cold test in Australia March 16, 2004
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Cold load in Australia March 16, 2004
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Packing up in Australia March 19, 2004
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Arrival at Arecibo April 1, 2004
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Taking Possesion April 1, 2004
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Pre-installation testing April 5, 2004
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Inside ALFA April 5, 2004
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Practice Run April 13, 2004
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Day before installation April 20, 2004
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Waiting to go April 20, 2004
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At the bottom of the bowl April 21, 2004
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Liftoff! April 21, 2004
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ALFA soars April 21, 2004
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Approaching the Dome April 21, 2004
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Entering the Dome April 21, 2004
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Into the rotary floor April 21, 2004
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ALFA installed April 21, 2004
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7 beams April 21, 2004
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First Light April 24, 2004
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ALFA and OH May 11, 2004 1665/1667 OH Lines observed from Comet 2001 Q4 (NEAT) using ALFA (more later from Ellen)
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Hiccup #1 June, 2004 Motor encoder failure
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Precursor: PALFA August 1, 2004
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First new ALFA pulsar August 1, 2004
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Hiccup #1: resolved August, 2004 Motor replaced
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No RFI from motor August 26, 2004 Cabinet door closedCabinet door open Keep an eye out for harmonics of 13.33MHz (more later from Desh)
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Hiccup #2 August, 2004 Short circuit to LNA Beam 0A Photo: April 5, 2004
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Hiccup #2: continues… August 28, 2004
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EALFA Drift Precursor August 22, 2004 Detects galaxies! Giovanelli, Hoffman, Haynes, Catinella, Momjian, Muller, Kent, et al
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Gain, SEFD, Tsys July 20, 2004(more later from Desh)
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ALFA today August 28, 2004 Pulsar Precursor ongoing Extragalactic Drift precursor on going GALFA precursor starts Friday Array rotation is enabled (parallactic angle tracking, this week) Motor electronics well shielded Center beam, pol-A is still offline
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