EVLA Wide-Band Wide-Field Imaging: G55.7 3.4

Overview

This CASA Guide describes the imaging of the supernova remnant G55.7+3.4.. The data were taken on August 23, 2010, in the first D-configuration for which the new wide-band capabilities of the WIDAR correlator were available. The 8-hour-long observation includes all available 1 GHz of bandwidth in L-band, from 1-2 GHz in frequency.

The data have also been flagged and calibrated, and the corrected data for G55.7+3.4 have been split off to

Preliminary data evaluation

plotms, plotants, viewer (?)

A priori calibration and flagging

Antenna position correction

Flagging non-operational antennas

Automatic RFI excision

Hanning-smoothing data

Using phase calibration source for preliminary bandpass calibration

Running testautoflag

Evaluating results & manual flagging

Flagging lowest edge of SPW 0 ...

Calibrating data

Clearing previous calibration

Setting flux scale

Bandpass calibration

Gain calibration

Flux scaling gain solutions

Applying calibration

Plotting calibrated data

Imaging

Splitting out target data

Multi-scale clean

Multi-scale, multi-frequency synthesis

Multi-scale, wide-field clean

Multi-scale, multi-frequency, wide-field clean