Reduction and analysis tools for LMT/B4R
Project description
b4r
Reduction and analysis tools for LMT/B4R
Installation
pip install b4r==2024.7.0
Usage
Reduce individual data
import b4r.pipe as Bp
Bp.globBaseDir = '/home/hoge/b4r'
Bp.globLogDir = '/home/hoge/b4r/logv1'
Bp.PipelineAnalysis(86420)
This example shows a pipeline analysis for the data obsid 86420
.
Reduce all data (for database)
import b4r.pipe as Bp
Bp.globBaseDir = '/home/hoge/b4r'
Bp.globLogDir = '/home/hoge/b4r/logv1'
Bp.PipelineAnalysisBatchRun()
You need to specify following pathes.
b4r.pipe.globBaseDir
- The path where
xffts
andlmttpm
directories are located. - XFFTS binary data (e.g.,
xffts20181003111006.xfftsx.01
) should be stored under thexffts
directory. - LMT antenna log data (e.g.,
lmttpm_2018-04-22_075858_01_0000.nc
) should be stored under thelmttpm
directory.
b4r.pipe.globLogDir
- The path where outputs are created.
- Anywhere you like is OK.
Products
The script create following outputs (if possible).
- Continuum Map Qlook (Pointing offset, efficiency (only for uranus), etc.)
- Line (SiO) Map Qlook (Pointing offset, etc.)
- Spectrum Qlook (with auto-flag)
- Time series spectrum of PSW data (NumPy readable format)
- GoDec calibration results (see Taniguchi et al. 2021)
- MS2 (CASA readable format)
Correspondence
B4R 2018/2019 (obsnum<=087433) data <-> CASA MS2:
Name | B4R | CASA MS2 |
---|---|---|
polarization | A | (correlation or stokes) YY |
polarization | B | (correlation or stokes) XX |
sideband | LSB | spw 0 |
sideband | USB | spw 1 |
Information
- B4R webpage: http://lmtgtm.org/b4r/?lang=en
Project details
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