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Knowledgebase: General ALMA Queries
How will high time resolution observations be handled with ALMA?
Posted by Tony Remijan, Last modified by Sarah Wood on 30 September 2014 08:55 PM
For interferometric observations, the highest time resolution is set by the shortest correlator dump time. In so-called time division mode (TDM), the correlator can output every 16ms (though at reduced spectral resolution), so you can Nyquist sample a 32ms variation. One of these modes is number 70 which is described in detail in ALMA memo 556 available at or at Escoffier et al. 2007, A&A 462, 801. For single dish observations with the total power array, dumps as short as 1ms will be possible.
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