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[[Category:ALMA]][[Category:Imaging]][[Category:Spectral Line]] ...hannelization to aid in multi-frequency synthesis and being able to remove spectral features in the averaged data. The amount of channel averaging should be ad ...

[[Category:ALMA]][[Category:Calibration]][[Category:Spectral Line]] *There are a lot of spectral windows! Don't be alarmed. In ALMA data, ...

[[Category:ALMA]][[Category:Calibration]][[Category:Spectral Line]] *There are a lot of spectral windows! Don't be alarmed. In ALMA data, ...

# Image the H2D+ line structure (rest frequency 372.42138 GHz) # Image the N2H+ line structure (rest frequency 372.67249 GHz) ...

cs.setreferencevalue("230GHz",'spectral') cs.setincrement('1GHz','spectral') ...

cs.setreferencevalue("230GHz",'spectral') cs.setincrement('1GHz','spectral') ...

cs.setreferencevalue("230GHz",'spectral') cs.setincrement('1GHz','spectral') ...

For this example, we would recommend the following line be included in publications using these data: * '''spw''': The CASA spectral window selection string to be processed. All SPWs need to be from the same ...

antennas and polarizations, robustness and line bandwidth to calculate Tell the on line system to apply those corrections to any number of ...

...0. For an updated script that works with CASA 3.2.0, please go to [[SMA CO Line Data 3.2]].''' ...not use them for scientific purposes. This tutorial is based on the SMA CO Line Data script found in the [http://casa.nrao.edu/casascripts.shtml CASA Scrip ...

== Split off CO spectral windows (SPWs) == ...e. Below are the first target scans of the 12m and 7m observations and the spectral window tables as generated by listobs. The six 7m data sets were taken with ...

...not use them for scientific purposes. This tutorial is based on the SMA CO Line Data script found in the [http://casa.nrao.edu/casascripts.shtml CASA Scrip Spectral Windows:(24 unique spectral windows and 1 unique polarization setups) ...

...<caption>'''Fig. 1.''' Southern mosaic: Amplitude vs. channel. The CO(3-2) line is seen from 50 to 100</caption>]] ...<caption>'''Fig. 2.''' Northern mosaic: Amplitude vs. channel. The CO(3-2) line is seen from 70 to 100</caption>]] ...

...he MS (see example below) as well as estimate the zenith opacity for each spectral window. This script is only intended for use with the EVLA-- it contains h #edit the last line of the script, replacing MSname.ms with the name of your measurement set, a ...

...window that we will image here as continuum also contains a N2H+ emission line. In this case, the N2H+ emission is faint enough that neglecting to flag the line channels before imaging makes no difference to the final continuum image. ...

[[Category:ALMA]][[Category:Calibration]][[Category:Spectral Line]] ...libration, we inspect the data to understand the sequence of observations, spectral setup, what sources were observed, and the purpose of each observation. We ...

...tasets, whereas Option 2 does not. However, see Caveat 1, for very complex line emission it may be difficult to get a good result. </span> ...tion, and it should always be run on the fully channelized data before any spectral averaging is applied. ...

...tasets, whereas Option 2 does not. However, see Caveat 1, for very complex line emission it may be difficult to get a good result. </span> ...tion, and it should always be run on the fully channelized data before any spectral averaging is applied. ...

[[Category:ALMA]][[Category:Calibration]][[Category:Spectral Line]] Spectral Windows: (17 unique spectral windows and 2 unique polarization setups) ...

...<caption>'''Fig. 1.''' Southern mosaic: Amplitude vs. channel. The CO(3-2) line is seen from 50 to 100</caption>]] ...<caption>'''Fig. 2.''' Northern mosaic: Amplitude vs. channel. The CO(3-2) line is seen from 70 to 100</caption>]] ...