simms

Empty MS creation tool

Project description

Creates empty measurement sets using the the CASA simulate tool.

Requires

NRAO CASA

python-casacore

numpy

Install

Github

$ git clone https://github.com/radio-astro/simms
$ cd simms
$ python setup.py install

Pip

pip install simms

Examples

On the command line

To get farmiliar with options run: simms –help ;)

The antenna positions can be specified as a CASA Table or an ASCII file. Bellow is an example of you can an empty MS using both formats:

NOTE: Some antenna tables are provided in Simms/observatories. Run the examples below in the simms directory or change the paths of the antenna files accordingly in the lines bellow.

CASA Table KAT7_ANTENNAS

simms -T kat-7 -t casa -l test_casa -dec -30d0m0s -ra 0h0m0s -st 1 -dt 60 -f0 1.4GHz -nc 4 -df 10MHz Simms/observatories/KAT7_ANTENNAS

ASCII vlac.enu.itrf

simms -T vla -t ascii -cs itrf -l test_ascii -dec 30d0m0s -ra 0h0m0s -st 1 -dt 60 -f0 1.4GHz -nc 4 -df 10MHz Simms/observatories/vlac.itrf.txt

In both cases, we create an empty MS (VLA-A and KAT-7) at 1400MHz with 4 10MHz channels, the observtion is 1hr and has a 60s integrations time.

In Python

from simms import simms

simms.create_empty_ms(msname="Name_of_ms.MS", tel="kat-7", synthesis=1, pos_type='casa', pos="kat-7_antenna_table")

Project details

Release history Release notifications | RSS feed

3.0b1 pre-release

Jul 12, 2024

2.0.1

Oct 8, 2024

2.0.0

Feb 7, 2024

1.2.0

Dec 20, 2019

1.1.2

Jan 28, 2019

1.0.9

Jan 18, 2019

1.0.7

Jan 12, 2019

1.0.6

Jan 4, 2019

1.0.5

Jan 4, 2019

1.0.4

Feb 13, 2018

1.0.2

Jan 2, 2018

1.0.1

Jul 22, 2017

1.0.0

Jul 3, 2017

0.9.7

Jun 12, 2017

0.9.6

Jun 9, 2017

0.9.5

Apr 3, 2017

0.9.4

Feb 25, 2017

0.9.1

Nov 11, 2016

This version

0.8.0

Feb 18, 2016

0.7.0

Jan 25, 2016

0.6.0

Dec 11, 2015

0.5.6

Oct 19, 2015

0.5.5

Oct 19, 2015

0.5.4

Oct 10, 2015

0.5.3

Oct 5, 2015

0.5.2

Oct 1, 2015

0.5.1

Sep 29, 2015

0.4.4

Sep 17, 2015

0.4.3

Aug 14, 2015

0.4.2

Jun 25, 2015

0.4.1

Jun 25, 2015

0.4.0

Jun 13, 2015

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