aoquality

aoquality reads and analyses the Measurement Set quality statistics produced by AOFlagger, aoquality, or DP3.

It provides a small Python API over the three AOQuality table types (baseline, frequency, and time statistics) — reading a single Measurement Set or combining many — and a command-line tool, aostats, for diagnostic plots and outlier detection across many observations.

Documentation: https://pyaoquality.readthedocs.io

Installation

pip install aoquality

Requires Python ≥ 3.8.

Quick start

Python API:

import aoquality

bl = aoquality.BaselineStat('obs.MS')
ant_names, ant_stats = bl.get_antenna_stat('SNR')   # (n_ant,), (n_ant, n_pol)

Command line:

aostats plot obs.MS SNR -o stat_snr            # single-MS diagnostic plots
aostats reduce obs1/ obs2/ -o reduced/        # small files of the statistics
aostats plot-grid reduced/*.h5 SNR,DStd      # multi-observation grids
aostats find-bad-stations *.qs SNR -o bad.json # flag outlier antennas

See the documentation for the full Python API, usage guide, and aostats command-line reference.