channelAverageChannels

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Computes the list of channels used by ALMA for the channel-averaged spw, whose bandwidth is 89% (e.g. 1781.25 MHz in 2 GHz TDM mode) of the nominal bandwidth.

Usage:

au.channelAverageChannels(channels)
Inputs:
  • channels: the number of channels in an spw
Returns:
  • a list of the central 89% of channels used

Example:

CASA <7>: au.channelAverageChannels(128)
  Out[7]: [6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23,
24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43,
44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63,
64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83,
84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 1
03, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 1
19]

-- ToddHunter - 2015-09-19
Topic revision: r1 - 2015-09-19, ToddHunter
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