Source
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74
</description>
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75
<value type="string"></value>
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</param>
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77
78
78
<param type="string" name="inbright" subparam='true'>
79
79
<shortdescription>Peak brightness to scale the image to in Jy/pixel</shortdescription>
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80
<description>Peak brightness to scale the image to, in Jy/pixel
81
81
Subparameter of skymodel
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82
Default: '' (i.e., unchanged)
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83
84
-
Example: inbright='1.2Jy/pixel
84
+
Example: inbright='1.2Jy/pixel'
85
85
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Note: "unchanged" will take the numerical values
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87
in your image and assume they are in Jy/pixel,
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even if it says some other unit in the header.
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</description>
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<value type="string"></value>
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</param>
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<!-- TODO parse Jy/pixel, MJy/Sr, eventually K, etc -->
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<!-- TODO document permitted units in online help -->
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95
<param type="string" name="indirection" subparam="true">
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-
<shortdescription>Set new direction, e.g. "J2000 19h00m00 -40d00m00"</shortdescription>
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+
<shortdescription>Set new direction, e.g. J2000 19h00m00 -40d00m00</shortdescription>
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97
<description>Central direction to place the sky model image
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98
Subparameter of skymodel
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99
Default: '' (use whatever is in the image
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already)
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Example: indirection='J2000 19h00m00
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-40d00m00'
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</description>
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<value type="string"></value>
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</param>
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231
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<!-- The user can edit the ptg file to repeat ptgs if they wish a scan length
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Longer than the integration time
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<param type="variant" name="scanlength" subparam="true">
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<description>number of integrations or time per pointing</description>
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<value type="int">5</value>
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</param>
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-->
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<param type="stringArray" name="direction" subparam="true">
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-
<shortdescription>Mosaic center direction, e.g "J2000 19h00m00 -40d00m00"</shortdescription>
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+
<shortdescription>Mosaic center direction, e.g J2000 19h00m00 -40d00m00</shortdescription>
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<description>Mosaic center direction.
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Subparameter of setpointings=True
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Example: "J2000 19h00m00 -40d00m00" or "" to
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center on model
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If unset, will use the center of the skymodel
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image.
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* can optionally be a list of pointings, otherwise
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250
* simobserve will cover a region of size mapsize
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<value type="string">square</value>
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<value type="string">hex</value>
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<value type="string">ALMA</value>
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<value type="string">ALMA2012</value>
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<value type="string">alma</value>
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<value type="string">ALMA-OT</value>
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</allowed>
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</param>
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<param type="string" name="pointingspacing" subparam="true">
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-
<shortdescription>Spacing in between pointings or "0.25PB" or "" for ALMA default INT=lambda/D/sqrt(3), SD=lambda/D/3 </shortdescription>
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+
<shortdescription>Spacing in between pointings e.g. 0.25PB. ALMA default: INT=lambda/D/sqrt(3), SD=lambda/D/3 </shortdescription>
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<description>Spacing in between pointings.
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Subparameter of setpointings=True
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300
300
Examples:
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pointingspacing="0.25PB"
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pointingspacing="" for ALMA default
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INT=lambda/D/sqrt(3), SD=lambda/D/3
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</description>
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<value></value>
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</param>
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321
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<!--*************************************************************-->
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<!-- observe always reads from $project.skymodel file now -->
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<param type="string" name="obsmode">
326
-
<shortdescription>Observation mode to simulate [int(interferometer)|sd(singledish)|""(none)]</shortdescription>
326
+
<shortdescription>Observation mode to simulate [int(interferometer)|sd(singledish)|(none)]</shortdescription>
327
327
<description>Observation mode to simulate
328
328
Options: int(interferometer)|sd(singledish)|""(none)
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Observation mode to calculate visibilities from a
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331
skymodel image (which may have been modified
332
332
above), an optional component list, and a
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pointing file (which also may have been generated
334
334
above).
335
335
336
336
This parameter takes two possible values:
348
348
</description>
349
349
<value>int</value>
350
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<allowed kind="enum">
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<value type="string"></value>
352
352
<value type="string">int</value>
353
353
<value type="string">sd</value>
354
354
</allowed>
355
355
</param>
356
356
357
357
<param type="string" name="refdate" subparam="true">
358
-
<shortdescription>Date of observation - not critical unless concatting
359
-
simulations</shortdescription>
358
+
<shortdescription>Date of observation. Not critical unless concatting simulations</shortdescription>
360
359
<description>Date of simulated observation
361
360
Subparameter of obsmode='int|sd'
362
361
Not critical unless concatting simulations
363
362
364
363
Example: refdate="2014/05/21"
365
364
</description>
366
365
<value>2014/01/01</value>
367
366
</param>
368
367
369
368
<param type="string" name="hourangle" subparam="true">
370
-
<shortdescription>Hour angle of observation center, e.g. "-3:00:00", "5h", "-4.5"</shortdescription>
369
+
<shortdescription>Hour angle of observation center, e.g. -3:00:00, 5h, -4.5</shortdescription>
371
370
<description>Hour angle of observation center.
372
371
Subparameter of obsmode='int|sd'
373
372
374
373
Examples:
375
374
hourangle="-3:00:00", "5h", "-4.5", or
376
375
"transit"
377
376
A number without units will be interpreted as
378
377
hours.
379
378
</description>
380
379
<value>transit</value>
454
453
<description>pt source calibrator flux [experimental]</description>
455
454
<value>1Jy</value>
456
455
</param>
457
456
458
457
459
458
460
459
461
460
<!-- NOISE -->
462
461
463
462
<param type="string" name="thermalnoise">
464
-
<shortdescription>add thermal noise: [tsys-atm|tsys-manual|""]</shortdescription>
463
+
<shortdescription>add thermal noise: [tsys-atm|tsys-manual|(none)]</shortdescription>
465
464
<description>add thermal noise.
466
465
Options: tsys-atm, tsys-manual, ""
467
466
468
467
This parameter takes two possible values:
469
468
- tsys-atm: J. Pardo's ATM library will be used
470
469
to construct an atmospheric profile for the ALMA
471
470
site: altitude 5000m, ground pressure 650mbar,
472
471
relhum=20%, a water layer of user_pwv at altitude
473
472
of 2km, the sky brightness temperature returned
474
473
by ATM, and internally tabulated receiver
523
522
<param type="double" name="t_ground" subparam="true">
524
523
<shortdescription>Ground/spillover ambient temperature in K</shortdescription>
525
524
<description>Ground/spillover temperature in K
526
525
Subparameter of
527
526
thermalnoise='tsys-atm|tsys-manual'
528
527
</description><value>270.</value>
529
528
530
529
531
530
<allowed kind="range"><value range="min">0</value></allowed>
532
531
</param>
532
+
533
533
<param type="double" name="t_sky" subparam="true">
534
534
<shortdescription>Atmospheric temperatur in K</shortdescription>
535
535
<description>Atmospheric temperature in K
536
536
Subparameter of thermalnoise='tsys-manual'
537
537
</description>
538
538
<value>260.</value>
539
539
<allowed kind="range"><value range="min">0</value></allowed>
540
540
</param>
541
+
541
542
<param type="double" name="tau0" subparam="true">
542
543
<shortdescription>Zenith opacity</shortdescription>
543
544
<description>Zenith opacity at observing frequency
544
545
Subparameter of thermalnoise='tsys-manual'
545
546
546
547
https://casaguides.nrao.edu/index.php/Corrupt
547
548
for more information on noise, in particular how
548
549
to add a phase screen using the toolkit
549
550
</description><value>0.1</value>
550
551
<allowed kind="range"><value range="min">0</value></allowed>
551
552
</param>
553
+
552
554
<param type="int" name="seed" subparam="true">
553
555
<shortdescription>Random number seed</shortdescription>
554
556
<description>Random number seed
555
557
Subparameter of
556
558
thermalnoise='tsys-atm|tsys-manual'
557
559
</description><value>11111</value>
558
560
</param>
559
561
560
562
<param type="double" name="leakage">
561
563
<shortdescription>Cross polarization (interferometer only)</shortdescription>
705
707
<equals type="string" value="F"/>
706
708
</when>
707
709
<!-- ********************************************************** -->
708
710
</constraints>
709
711
710
712
711
713
712
714
</input>
713
715
<returns type="bool"/>
714
716
715
-
</task>
717
+
<example>
718
+
719
+
For more information, see the task pages of simobserve in CASA Docs:
720
+
721
+
https://casa.nrao.edu/casadocs/
722
+
723
+
</example></task>
716
724
</casaxml>