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Measurement Sets

Share your data to other radio astronomers, and use CASA to process this data.

Measurement Sets are a widely used data format for radio astronomy data. The tart2ms tools are used to create measurement sets from TART data.

Tracking named objects​

The tart2ms tool can track objects. We have several objects that can be specified. These are

ObjectDescription
SunThe sun
MoonThe earth's moon
Sgr A*Saggitarius A*, the black hole at the centre of our galaxy
Fornax ANGC 1316 (also known as Fornax A) is a lenticular radio galaxy about 60 million light-years away.
# Retrieve the last 120 minutes of observations and rephase them to track the celestial object Fornax A
tart2ms --ms output.ms --archive-search -120:1:0 --rephase "Fornax A"

Tracking Arbitrary Celestial Objects​

We use the XXXX coordinate system to specify celestial coordinates... Ben to continue here...

# Retrieve the last 120 minutes of observations and rephase them to track the celestial object located at co-ordinates...
tart2ms --ms output.ms --archive-search -120:1:0 --rephase "XXXXXXXXXXX"

You can generate these using the sample code below

import astropy as ap
...