Subject: Re: HIGH CADENCE IMAGING CAMPAIGN Date: Mon, 15 Apr 2002 15:28:48 +0900 From: SHIBASAKI kiyoto To: canfield@mithra.physics.montana.edu Dear Dick, We are willing to participate in your High Cadence Imaging Campaign. Nobeyama Radioheliograph (NoRH) has a capability of imaging of full Sun with one second cadence at 17 and 34 GHz. For strong events with highly variable intensity, cadence is 100 msec for a limited interval (rizing phase of events). http://solar.nro.nao.ac.jp/ >The RHESSI team seeks collaborators at ground-based and space-based >observatories to participate in a High Cadence Imaging Campaign. RHESSI >is capable of making high-quality hard and soft X-ray movies with a >cadence of 2 seconds (half spin) and even down to 10s of ms for intense >events, and seeks collaborators at observatories working in other >spectral bands (H-alpha, radio, EUV, continuum, ...) who can make >observations at similar cadence. 1. What field of view can you observe at this cadence? full Sun 2. What spectral bandpass(es) can you observe? 17 GHz and 34 GHz (two point frequencies) 3. In what UT time range and seasons can you observe? 22:30 - 06:30 (shorter in winter time) 4. Can you participate in a Target-of-Opportunity campaign at very short notice, or must we pick a fixed schedule? Yes we can. We do not need to change the routine observing mode. 5. If we must pick a fixed schedule, how far in advance must fixed dates be chosen. We requires no advanced notice. Kiyoto Kiyoto SHIBASAKI Nobeyama Solar Radio Observatory