casa6
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- 'ph' = gain (G) phase (deg) (1 real parameter72
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per pol, antenna, spw)73
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- 'sbd' = single-band delays (nsec) (1 real74
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parameter per pol, antenna, spw)75
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- 'mbd' = multi-band delay (nsec) (1 real76
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parameter per pol, antenna, spw)77
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- 'antpos' = antenna position corrections (m) (378
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real ITRF offset parameters per antenna; spw,79
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pol selection will be ignored)80
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With antenna='', this triggers an automated81
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lookup of antenna positions for EVLA and ALMA.81
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lookup of antenna positions for EVLA. For ALMA82
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an input file generated with getantposalma task83
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can be input in paramter infile.82
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- 'antposvla' = antenna position corrections (m)83
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specified in the old VLA-centric coordinate84
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system85
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- 'tsys' = Tsys from the SYSCAL table (ALMA)86
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- 'evlagain' = EVLA switched-power gains87
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(experimental)88
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- 'opac' = Tropospheric opacity (1 real parameter89
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per antenna, spw)90
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- 'gc' = Antenna zenith-angle dependent gain91
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curve (auto-lookup)113
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<value>gc</value>114
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<value>gceff</value>115
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<value>eff</value>116
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<value>tecim</value>117
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<value>jyperk</value>118
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</allowed>119
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</param>120
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<param subparam="true" name="infile" type="string">122
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<shortdescription>Input ancilliary file</shortdescription>123
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<description>Input ancilliary file.124
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Subparameter of caltype='gc|gceff|tecim|jyperk|antpos'125
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<description>Input ancilliary file126
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Subparameter of caltype='antpos|gc|gceff|tecim|jyperk'125
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Default: none126
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The format of the file in case of 'antpos' is JSON.128
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The file contains the information about the antenna129
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positions as well as some metadata. As a reference,130
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this code snippet would create the most minimal JSON file131
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that can be used by **gencal**132
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::134
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import json175
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<description>Waiting time [sec] until next query, when the Web API access fails.176
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Subparameter of caltype='jyperk'177
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Default: 5178
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</description>179
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<value>5</value>180
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</param>181
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<param subparam="true" name="ant_pos_time_limit" type="int">183
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<shortdescription>Days after observation to include correction in offset</shortdescription>184
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<description>Maximum number of days beyond the observation for which a185
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correction should be included in the final offset187
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correction should be included in the final offset. This subparameter has only188
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an effect on VLA data.186
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Subparameter of caltype='antpos'187
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Default: 0188
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</description>189
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<value>0</value>190
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</param>191
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<param name="spw" type="string">193
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<shortdescription>Select spectral window/channels</shortdescription>194
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<description>Select spectral window/channels195
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Default: '' (all spectral windows and channels)