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Knowledgebase: ALMA Observing Tool (OT)
How do I put a spectral window into the other sideband than that automatically selected by the OT?
Posted by Hiroshi Yatagai, Last modified by Suzanna Randall on 29 February 2016 11:22 AM

You cannot explicitly select which sideband a spectral window will be placed in, since the OT automatically configures a solution based on the spectral windows defined. However, you may be able to change the sideband in which a given spectral window is placed by appropriately setting the other (e.g. continuum) spectral windows. This may be advisable in the special case where the spectral window mirror in Bands 9 or 10 falls in a region of bad atmospheric transition, negatively impacting the noise level in the original spectral window.

Note that while you can move around the LO1/sideband display in the spectral visualiser, this is for experimentation purposes only and does not change the spectral setup.

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