Oxford Algorithms Workshop

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Presentation transcript:

Oxford Algorithms Workshop EVLA 1-50 GHz +bands at 90cm and 4m Continuum Sensitivity ~ 1 micro/Jy in 12 hours across the 1-50 GHz Up to 8 GHz bandwidth at once Still 27x25m antennas (actually 28) Resolution at highest frequency ~30milliarcsec Frazer Owen Oxford Algorithms Workshop December 1, 2008

EVLA/ALMA 100 hr sensitivity Frazer Owen Oxford Algorithms Workshop December 1, 2008

Oxford Algorithms Workshop Frazer Owen Oxford Algorithms Workshop December 1, 2008

Oxford Algorithms Workshop EVLA Requirements #1 Data Rate:1000X > VLA; 1Tbyte database common Robust Automatic Flagging Wide-band Calibration: bandpass, polarization, amplitude, phase/delay Spectral-line imaging 16384 channels normal; 262,144 or more possible Frazer Owen Oxford Algorithms Workshop December 1, 2008

Oxford Algorithms Workshop EVLA Requirements #2 Wide-band/Wide-field Continuum Imaging over 2:1 bandwidths Dynamic Range 10^5-10^7 Primary beam/Pointing Correction Selfcal Full-field Polarization Calibration/Selfcal Mosaicking RM Imaging, other special applications Frazer Owen Oxford Algorithms Workshop December 1, 2008