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  • Polarization Calibration
    == Observational approaches to enable successful polarization calibration == == Instrumental polarization: technical aspects ==
    481 bytes (48 words) - 16:32, 30 July 2010
  • ATCA Continuum Polarization Tutorial NGC612-CASA4.6
    #REDIRECT [[ATCA Continuum Polarization Tutorial NGC612-CASA4.7]]
    65 bytes (7 words) - 18:32, 12 October 2016
  • ATCA Advanced Continuum Polarization Tutorial NGC612-CASA4.6
    #REDIRECT [[CASA Guides:ATCA Advanced Continuum Polarization Tutorial NGC612-CASA4.7]]
    86 bytes (10 words) - 22:54, 28 July 2016
  • ATCA Tutorials
    * [[ATCA_Continuum_Polarization_Tutorial_NGC612-CASA4.7| ATCA Continuum Polarization Tutorial]] (CASA 4.7 version) ...ed_Continuum_Polarization_Tutorial_NGC612-CASA4.7| ATCA Advanced Continuum Polarization Tutorial]] (CASA 4.7 version)
    598 bytes (84 words) - 18:52, 2 September 2020
  • 3C286 Polarization Calibration 4.2.2
    [[Category:ALMA]][[Category:Calibration]][[Category:Continuum]][[Category:Polarization]]
    513 bytes (65 words) - 11:09, 4 August 2014
  • 3C286 Polarization Imaging 4.2.2
    [[Category:ALMA]][[Category:Imaging]][[Category:Continuum]][[Category:Polarization]]
    509 bytes (65 words) - 11:09, 4 August 2014
  • Karl G. Jansky VLA Tutorials-archived
    ...based_on_CASA_pipeline_standard_reduction:_The_radio_galaxy_3C75-CASA6.5.4 Polarization Calibration based on CASA pipeline standard reduction: The radio galaxy 3C7 ...based_on_CASA_pipeline_standard_reduction:_The_radio_galaxy_3C75-CASA6.4.1 Polarization Calibration based on CASA pipeline standard reduction: The radio galaxy 3C7
    21 KB (2,724 words) - 12:03, 1 March 2024
  • Pre-upgrade VLA Tutorials
    ** [[Jupiter: continuum polarization calibration]]
    585 bytes (71 words) - 19:16, 18 September 2018
  • 3C286 Polarization
    [[Category:ALMA]][[Category:Polarization]][[Category:Continuum]] These SV observations have been taken with the aim of testing ALMA polarization capabilities at Band 6 (233 GHz, 1 mm).
    7 KB (1,126 words) - 13:33, 18 October 2023
  • Create a Component List for Selfcal
    cl.addcomponent(flux=1.25, fluxunit='mJy', polarization='Stokes',
    991 bytes (162 words) - 15:12, 29 February 2012
  • Corrupt
    == Leakage a.k.a. Cross-polarization == * random Gaussian (time-independent) complex cross-polarization leakage terms, with specified real and imaginary amplitudes, and an optiona
    9 KB (1,379 words) - 17:17, 7 November 2012
  • Corrupting Simulated Data (Simulator Tool)
    == Leakage a.k.a. Cross-polarization == * random Gaussian (time-independent) complex cross-polarization leakage terms, with specified real and imaginary amplitudes, and an optiona
    9 KB (1,379 words) - 15:36, 23 January 2018
  • Karl G. Jansky VLA Tutorials
    ...ples for common general-use cases such as spectral line, continuum, linear polarization, and mosaicking. However, the results demonstrated here are specific to th === Polarization Calibration based on CASA pipeline standard reduction: The radio galaxy 3C7
    13 KB (1,866 words) - 17:24, 25 March 2024
  • What is CASA?
    ...s to pre-apply before solving for a particular effect (gain or bandpass or polarization). The user (''not'' the task!) specifies a calibration table to store the s * {{polcal}}: polarization calibration;
    6 KB (862 words) - 17:03, 27 March 2013
  • List of All Tutorials
    ...tion, Imaging]] and [[EVLA Advanced Topics 3C391-CASA3.4 | Image Analysis, Polarization, Self-calibration]] ...ion, Imaging]] and [[ EVLA Advanced Topics 3C391-CASA3.3 | Image Analysis, Polarization, Self-calibration ]]
    8 KB (970 words) - 16:45, 10 June 2013
  • 3C286 Band6Pol Imaging for CASA 4.3
    [[Category:ALMA]][[Category:Imaging]][[Category:Polarization]] ==Full polarization imaging of the target==
    28 KB (4,145 words) - 09:41, 14 September 2017
  • 3C286 Band6Pol Imaging for CASA 4.5
    [[Category:ALMA]][[Category:Imaging]][[Category:Polarization]] ==Full polarization imaging of the target==
    28 KB (4,149 words) - 09:48, 10 April 2017
  • EVLA Advanced Topics 3C391-CASA3.3
    == Polarization Imaging == ...tains an "animator" or pane with movie controls. One can step through the polarization axis, displaying the images for the different polarizations.
    29 KB (4,851 words) - 12:30, 9 April 2012
  • Simulating Observations in CASA 3.4
    ...bserve turns a model of the sky (2 to 4 dimensions including frequency and polarization) into the visibilities that would be measured with ALMA, (E)VLA, CARMA, SMA ...upt]] - Corrupt the measurement set with thermal noise, phase noise, cross-polarization, etc.
    8 KB (1,207 words) - 13:02, 3 November 2015
  • 3C286 Band6Pol Imaging for CASA 6.5.4
    [[Category:ALMA]][[Category:Imaging]][[Category:Polarization]] ==Full polarization imaging of the target==
    30 KB (4,386 words) - 14:55, 23 October 2023
  • GUItesting
    -> adam: linux ALMA cube; juergen: mac os; EVLA polarization IQUV cube -> send also to Adam; skyview fits
    3 KB (407 words) - 14:18, 4 April 2013
  • 3C286 Band6Pol Imaging for CASA 5.1
    [[Category:ALMA]][[Category:Imaging]][[Category:Polarization]] ==Full polarization imaging of the target==
    32 KB (4,524 words) - 16:03, 3 April 2018
  • 3C286 Band6Pol Imaging for CASA 5.4
    [[Category:ALMA]][[Category:Imaging]][[Category:Polarization]] ==Full polarization imaging of the target==
    31 KB (4,534 words) - 17:29, 11 March 2021
  • 3C286 Band6Pol Imaging for CASA 5.7
    [[Category:ALMA]][[Category:Imaging]][[Category:Polarization]] ==Full polarization imaging of the target==
    31 KB (4,537 words) - 17:31, 11 March 2021
  • 3C286 Band6Pol Imaging for CASA 6.1
    [[Category:ALMA]][[Category:Imaging]][[Category:Polarization]] ==Full polarization imaging of the target==
    31 KB (4,537 words) - 09:10, 13 October 2021
  • 3C286 Band6Pol Imaging for CASA 6.2
    [[Category:ALMA]][[Category:Imaging]][[Category:Polarization]] ==Full polarization imaging of the target==
    31 KB (4,537 words) - 10:20, 1 October 2021
  • Create a Simulated Image
    cl.addcomponent(flux=1.25, fluxunit='mJy', polarization='Stokes',
    4 KB (618 words) - 02:26, 12 February 2011
  • Simulating Observations in CASA 4.0
    ...e</tt> turns a model of the sky (2 to 4 dimensions including frequency and polarization) into the visibilities that would be measured with ALMA, (J)VLA, CARMA, SMA ...rrupt - Corrupt the measurement set with thermal noise, phase noise, cross-polarization, etc.
    12 KB (1,773 words) - 13:00, 3 November 2015
  • ATCA Continuum Polarization Tutorial NGC612-CASA4.7
    * Bandpass, polarization leakage and fluxscale calibration was done using an observation of 1934-638 Spectral Windows: (1 unique spectral windows and 1 unique polarization setups)
    29 KB (3,228 words) - 01:23, 1 September 2020
  • Simulating Observations in CASA 3.2
    ...be used to add phase delay variations, gain fluctuations and drift, cross-polarization, and (coming soon) bandpass and pointing errors to your simulated data. <t ...upt]] - Corrupt the measurement set with thermal noise, phase noise, cross-polarization, etc.
    8 KB (1,321 words) - 14:34, 1 November 2011
  • ALMA Pipeline Known Issues
    ...- this is quite rare outside of polarization, and self-calibration of full-polarization projects is not fully validated in any case. 14. In full-polarization datasets, the hif_makeimages page for the polcal has images of polarized in
    25 KB (3,867 words) - 15:19, 13 March 2024
  • Simulating Observations in CASA 3.3
    ...be used to add phase delay variations, gain fluctuations and drift, cross-polarization, and (coming soon) bandpass and pointing errors to your simulated data. <t ...upt]] - Corrupt the measurement set with thermal noise, phase noise, cross-polarization, etc.
    8 KB (1,275 words) - 18:52, 26 March 2024
  • JuergensSandbox
    High Accuracy Spectral Line Polarization Observations ...to 64 independent correlators with different bandwidths, channel numbers, polarization products, and observing frequencies. The final VLA will be able to
    42 KB (6,842 words) - 10:09, 2 July 2012
  • EVLA Advanced Topics 3C391 CASA 4.2
    ...391_ctm_mosaic_spw0.ms</tt>. This is what we will use to carry on with our polarization imaging. == Multi-scale Polarization Clean ==
    46 KB (7,311 words) - 14:10, 6 February 2014
  • Advanced Topics 3C391 - CASA4.2
    ...391_ctm_mosaic_spw0.ms</tt>. This is what we will use to carry on with our polarization imaging. == Multi-scale Polarization Clean ==
    46 KB (7,311 words) - 13:51, 16 December 2014
  • Simulating Observations in CASA 3.1
    ...be used to add phase delay variations, gain fluctuations and drift, cross-polarization, and (coming soon) bandpass and pointing errors to your simulated data. <t ...upt]] - Corrupt the measurement set with thermal noise, phase noise, cross-polarization, etc.
    10 KB (1,479 words) - 13:28, 30 April 2011
  • Plotbandpass
    ...s been tested on dual-polarization ALMA data, and single-, dual-, and full-polarization EVLA data. It supports both the old and new calibration table formats. Plo xcolor: color for XX polarization points (default = blue)
    14 KB (2,237 words) - 13:13, 17 April 2024
  • EVLA Advanced Topics 3C391-CASA4.1
    ...391_ctm_mosaic_spw0.ms</tt>. This is what we will use to carry on with our polarization imaging. == Multi-scale Polarization Clean ==
    47 KB (7,334 words) - 19:42, 4 February 2014
  • Advanced Topics 3C391 - CASA4.1
    ...391_ctm_mosaic_spw0.ms</tt>. This is what we will use to carry on with our polarization imaging. == Multi-scale Polarization Clean ==
    47 KB (7,335 words) - 19:50, 4 February 2014
  • EVLA Advanced Topics 3C391
    ...391_ctm_mosaic_spw0.ms</tt>. This is what we will use to carry on with our polarization imaging. == Multi-scale Polarization Clean ==
    47 KB (7,549 words) - 16:36, 20 April 2015
  • EVLA Advanced Topics 3C391-CASA4.3
    ...391_ctm_mosaic_spw0.ms</tt>. This is what we will use to carry on with our polarization imaging. == Multi-scale Polarization Clean ==
    47 KB (7,549 words) - 16:32, 20 April 2015
  • EVLA Advanced Topics 3C391-CASA4.4
    ...391_ctm_mosaic_spw0.ms</tt>. This is what we will use to carry on with our polarization imaging. == Multi-scale Polarization Clean ==
    47 KB (7,551 words) - 13:47, 2 June 2015
  • EVLA Advanced Topics 3C391-CASA4.0
    ...391_ctm_mosaic_spw0.ms</tt>. This is what we will use to carry on with our polarization imaging. == Multi-scale Polarization Clean ==
    47 KB (7,436 words) - 16:17, 30 May 2013
  • EVLA Advanced Topics 3C391-CASA3.4
    ...391_ctm_mosaic_spw0.ms</tt>. This is what we will use to carry on with our polarization imaging. == Multi-scale Polarization Clean ==
    47 KB (7,454 words) - 17:12, 22 October 2012
  • P-band basic data reduction path for continuum stokes I imaging
    * Visibilities are recorded every 2 seconds in full polarization (4 polarization products, (wrongly!) labelled RR,RL,LR,LL). ...than linear. This may seem mostly harmless, but does make a difference for polarization calibration (which we will do later). The following (non-standard) task wil
    46 KB (7,173 words) - 03:27, 8 June 2015
  • VLBA Basic Spectral Line Tutorial DRAFT
    ...ing personality, using dual polarization with two spectral windows in each polarization. Each spectral window has a bandwidth of 32 MHz divided into 256 spectral
    10 KB (1,488 words) - 14:42, 1 February 2024
  • Modify Model
    ...ystem that it needs to calculate visibilities. If your model doesn't have polarization/Stokes information, we'll add a dummy axis to the image for you. If your i
    6 KB (933 words) - 11:05, 4 November 2012
  • ALMAguides old
    * [[3C286_Polarization]]: Demonstration of the reduction of ALMA continuum polarization toward the quasar 3C286
    6 KB (859 words) - 16:29, 8 January 2018
  • ALMA SIS14 apcal
    * We ask gaincal to solve for a correction for each "correlation" (i.e., each polarization) by specifying '''gaintype'''="G". ...te tat you see two points in each plot because we have a solution for each polarization.
    20 KB (3,099 words) - 00:21, 7 March 2014
  • Simulating Observations in CASA 4.1
    ...simulated data: phase delay variations, gain fluctuations and drift, cross-polarization, and (coming soon) bandpass and pointing errors. <tt>sm </tt> also has mor ...sed to corrupt your measurement set with thermal noise, phase noise, cross-polarization, etc., in a more advanced way than is done in <tt>simobserve</tt>. To lear
    12 KB (1,863 words) - 13:00, 3 November 2015
  • 3C286 Band6Pol Calibration for CASA 4.5
    [[Category:ALMA]][[Category:Calibration]][[Category:Polarization]] ...ed here is intended to provide an initial example of the reduction of ALMA polarization data. It may be updated in future, and is not necessarily the exact procedu
    76 KB (11,217 words) - 09:38, 10 April 2017
  • 3C286 Band6Pol Calibration for CASA 4.3
    [[Category:ALMA]][[Category:Calibration]][[Category:Polarization]] ...ed here is intended to provide an initial example of the reduction of ALMA polarization data. It may be updated in future, and is not necessarily the exact procedu
    74 KB (10,853 words) - 12:45, 6 October 2021
  • 3C286 Band6Pol Calibration for CASA 6.5.4
    [[Category:ALMA]][[Category:Calibration]][[Category:Polarization]] ...ed here is intended to provide an initial example of the reduction of ALMA polarization data. It may be updated in future, and is not necessarily the exact procedu
    77 KB (11,049 words) - 14:38, 18 April 2024
  • 3C286 Band6Pol Calibration for CASA 6.5
    [[Category:ALMA]][[Category:Calibration]][[Category:Polarization]] ...ed here is intended to provide an initial example of the reduction of ALMA polarization data. It may be updated in future, and is not necessarily the exact procedu
    75 KB (10,965 words) - 11:02, 21 September 2023
  • 3C286 Band6Pol Calibration for CASA 6.2
    [[Category:ALMA]][[Category:Calibration]][[Category:Polarization]] ...ed here is intended to provide an initial example of the reduction of ALMA polarization data. It may be updated in future, and is not necessarily the exact procedu
    77 KB (11,223 words) - 16:02, 3 November 2021
  • 3C286 Band6Pol Calibration for CASA 5.4
    [[Category:ALMA]][[Category:Calibration]][[Category:Polarization]] ...ed here is intended to provide an initial example of the reduction of ALMA polarization data. It may be updated in future, and is not necessarily the exact procedu
    76 KB (11,034 words) - 16:23, 19 August 2021
  • 3C286 Band6Pol Calibration for CASA 5.7
    [[Category:ALMA]][[Category:Calibration]][[Category:Polarization]] ...ed here is intended to provide an initial example of the reduction of ALMA polarization data. It may be updated in future, and is not necessarily the exact procedu
    76 KB (11,030 words) - 16:44, 11 October 2021
  • 3C286 Band6Pol Calibration for CASA 5.1
    [[Category:ALMA]][[Category:Calibration]][[Category:Polarization]] ...ed here is intended to provide an initial example of the reduction of ALMA polarization data. It may be updated in future, and is not necessarily the exact procedu
    75 KB (10,912 words) - 14:48, 11 October 2021
  • 3C286 Band6Pol Calibration for CASA 6.1
    [[Category:ALMA]][[Category:Calibration]][[Category:Polarization]] ...ed here is intended to provide an initial example of the reduction of ALMA polarization data. It may be updated in future, and is not necessarily the exact procedu
    76 KB (11,036 words) - 09:09, 13 October 2021
  • Simulating Observations in CASA 5.4
    ...simulated data: phase delay variations, gain fluctuations and drift, cross-polarization, and bandpass and pointing errors. '[https://casa.nrao.edu/docs/CasaRef/Ca
    7 KB (1,016 words) - 12:22, 21 March 2024
  • Simulating Observations in CASA 6.5.4
    ...simulated data: phase delay variations, gain fluctuations and drift, cross-polarization, and bandpass and pointing errors. {{simulator_6.5.4}} also has more flexi
    6 KB (922 words) - 18:37, 26 March 2024
  • Simulating Observations in CASA 6
    ...simulated data: phase delay variations, gain fluctuations and drift, cross-polarization, and bandpass and pointing errors. '[https://casa.nrao.edu/docs/CasaRef/Ca
    7 KB (1,115 words) - 16:25, 12 February 2024
  • 0313-192 P-band basic data reduction-CASA4.4
    Spectral Windows: (16 unique spectral windows and 1 unique polarization setups) * Visibilities are recorded every 2 seconds in full polarization (4 polarization products, (wrongly!) labelled RR,RL,LR,LL).
    52 KB (7,963 words) - 17:54, 3 January 2017
  • 0313-192 P-band basic data reduction-CASA4.5
    Spectral Windows: (16 unique spectral windows and 1 unique polarization setups) * Visibilities are recorded every 2 seconds in full polarization (4 polarization products, (wrongly!) labelled RR,RL,LR,LL).
    53 KB (8,002 words) - 17:53, 3 January 2017
  • P-band basic data reduction-CASA4.7
    Spectral Windows: (16 unique spectral windows and 1 unique polarization setups) * Visibilities are recorded every 2 seconds in full polarization (4 polarization products, (wrongly!) labelled RR,RL,LR,LL).
    52 KB (7,963 words) - 16:06, 10 October 2016
  • 0313-192 P-band basic data reduction-CASA4.6
    Spectral Windows: (16 unique spectral windows and 1 unique polarization setups) * Visibilities are recorded every 2 seconds in full polarization (4 polarization products, (wrongly!) labelled RR,RL,LR,LL).
    52 KB (7,964 words) - 17:49, 3 January 2017
  • Simulating Observations in CASA 4.4
    ...simulated data: phase delay variations, gain fluctuations and drift, cross-polarization, and (coming soon) bandpass and pointing errors. <tt>sm </tt> also has mor ...sed to corrupt your measurement set with thermal noise, phase noise, cross-polarization, etc., in a more advanced way than is done in <tt>simobserve</tt>. To lear
    14 KB (2,193 words) - 10:17, 20 November 2015
  • Simulating Observations in CASA 4.2
    ...simulated data: phase delay variations, gain fluctuations and drift, cross-polarization, and (coming soon) bandpass and pointing errors. <tt>sm </tt> also has mor ...sed to corrupt your measurement set with thermal noise, phase noise, cross-polarization, etc., in a more advanced way than is done in <tt>simobserve</tt>. To lear
    14 KB (2,192 words) - 12:59, 3 November 2015
  • VLA Radio galaxy 3C 129: P-band continuum tutorial-CASA5.5.0
    Spectral Windows: (19 unique spectral windows and 1 unique polarization setups) * Visibilities are recorded every 2 seconds in full polarization (4 polarization products labelled XX,XY,YX,YY).
    48 KB (7,722 words) - 12:39, 5 November 2020
  • VLA Radio galaxy 3C 129: P-band continuum tutorial-CASA5.4.0
    Spectral Windows: (19 unique spectral windows and 1 unique polarization setups) * Visibilities are recorded every 2 seconds in full polarization (4 polarization products labelled XX,XY,YX,YY).
    49 KB (7,720 words) - 14:49, 16 January 2019
  • P-band spectral line tutorial-CASA5.0.0
    Spectral Windows: (19 unique spectral windows and 1 unique polarization setups) * Visibilities are recorded every 2 seconds in full polarization (4 polarization products labelled XX,XY,YX,YY).
    53 KB (8,386 words) - 15:14, 19 July 2017
  • Measurement Set Contents
    ANTENNA POLARIZATION table.f10 table.f17_TSM1 table.f21 table.f26 tab
    8 KB (1,344 words) - 15:06, 9 August 2012
  • VLA Radio galaxy 3C 129: P-band continuum tutorial-CASA4.7.0
    Spectral Windows: (19 unique spectral windows and 1 unique polarization setups) * Visibilities are recorded every 2 seconds in full polarization (4 polarization products labelled XX,XY,YX,YY).
    53 KB (8,399 words) - 13:11, 20 April 2017
  • VLA Radio galaxy 3C 129: P-band continuum tutorial-CASA5.7.0
    Spectral Windows: (19 unique spectral windows and 1 unique polarization setups) * Visibilities are recorded every 2 seconds in full polarization (4 polarization products labelled XX,XY,YX,YY).
    49 KB (7,876 words) - 05:09, 10 November 2020
  • Simulating Observations in CASA 4.3
    ...simulated data: phase delay variations, gain fluctuations and drift, cross-polarization, and (coming soon) bandpass and pointing errors. <tt>sm </tt> also has mor ...sed to corrupt your measurement set with thermal noise, phase noise, cross-polarization, etc., in a more advanced way than is done in <tt>simobserve</tt>. To lear
    14 KB (2,261 words) - 09:02, 14 December 2018
  • VLA Radio galaxy 3C 129: P-band continuum tutorial-CASA5.3.0
    Spectral Windows: (19 unique spectral windows and 1 unique polarization setups) * Visibilities are recorded every 2 seconds in full polarization (4 polarization products labelled XX,XY,YX,YY).
    55 KB (8,718 words) - 17:33, 13 February 2018
  • VLA Radio galaxy 3C 129: P-band continuum tutorial-CASA5.0.0
    Spectral Windows: (19 unique spectral windows and 1 unique polarization setups) * Visibilities are recorded every 2 seconds in full polarization (4 polarization products labelled XX,XY,YX,YY).
    55 KB (8,756 words) - 12:10, 11 July 2018
  • VLA Radio galaxy 3C 129: P-band continuum tutorial-CASA6.2.0
    Spectral Windows: (19 unique spectral windows and 1 unique polarization setups) * Visibilities are recorded every 2 seconds in full polarization (4 polarization products labelled XX,XY,YX,YY).
    56 KB (8,698 words) - 11:34, 2 May 2022
  • First Look at Self Calibration CASA 6
    Gaintype: ‘gaintype’=‘G’ will cause gaincal to derive solutions for each polarization independently. This becomes more important if you have a polarized source or a source whose polarization state you do not know. If your source
    22 KB (3,254 words) - 12:48, 27 September 2023
  • Fit an arbitrary sky (image) model to an existing MS
    ...nd a STOKES axis. This is true even if the data and simulation are single-polarization continuum data, in which case the FREQUENCY and STOKES axes can be "singlet # first index indexes polarization (there are two --XX, YY); second is null (probably SPW or IF, nominally)-
    12 KB (2,073 words) - 10:46, 15 March 2022
  • ALMAguides New
    * [[3C286_Polarization]]: Demonstration of the reduction of ALMA continuum polarization toward the quasar 3C286
    8 KB (1,075 words) - 21:06, 14 December 2017
  • Pipeline: Frequent VLA problems
    ...w the behavior of the calibration tables as a function of time, frequency, polarization, etc., and analytical numbers describe the amount of flagging, derived flux ...imilar to an ''abs(sin)'' or a 'bouncing' signal across a baseband for one polarization or, in other terms, various numbers of 'V' shapes in the data, usually in t
    32 KB (5,038 words) - 17:10, 12 September 2023
  • VLA Radio galaxy 3C 129: P-band continuum tutorial-CASA6.4.1
    Spectral Windows: (19 unique spectral windows and 1 unique polarization setups) * Visibilities are recorded every 2 seconds in full polarization (4 polarization products labelled XX,XY,YX,YY).
    54 KB (8,446 words) - 19:06, 29 February 2024
  • Simulating Observations in CASA 5.1
    ...simulated data: phase delay variations, gain fluctuations and drift, cross-polarization, and bandpass and pointing errors. '[https://casa.nrao.edu/docs/CasaRef/Ca
    8 KB (1,252 words) - 17:23, 15 February 2023
  • ALMAguides
    * [[3C286_Polarization]]: Demonstration of the reduction of ALMA continuum polarization toward the quasar 3C286. Validated for CASA 6.5.4.
    8 KB (1,173 words) - 12:33, 22 April 2024
  • First Look at Self Calibration CASA 6.5.4
    Gaintype: ‘gaintype’=‘G’ will cause gaincal to derive solutions for each polarization independently. This becomes more important if you have a polarized source or a source whose polarization state you do not know. If your source
    23 KB (3,449 words) - 17:16, 13 October 2023
  • VLA 5 GHz continuum survey of Seyfert galaxies 6.4.1
    ...d, we see no obvious bad data. Note that the low points are actually cross-polarization data; you can see this by entering: Which will display only the RR, LL data and not the cross-polarization data (LR, RL).
    34 KB (5,086 words) - 17:13, 3 February 2023
  • Obtaining Data: 3C 391 Example
    ...set to 1e-08. Anything less than this is unlikely to be real. Since for polarization observations we do not wish to keep the cross-hand visibilities if the para
    7 KB (1,170 words) - 16:58, 8 May 2016
  • Jupiter: continuum polarization calibration 5.5.0
    Spectral Windows: (2 unique spectral windows and 1 unique polarization setups) ...larization leakage on 0137+331. In this step we solve for the instrumental polarization. We will assume here our calibrator has unknown polarisation (poltype='D+QU
    25 KB (3,544 words) - 13:00, 13 February 2023
  • EVLA Continuum Tutorial 3C391-CASA3.3
    ...=EVLA_Advanced_Topics_3C391-CASA3.3 3C391 Tutorial Part 2: Image Analysis, Polarization, Self-calibration] ...ed spectral windows, centered at 4.6 and 7.5 GHz, and were set up for full polarization calibration.
    94 KB (13,931 words) - 12:32, 9 April 2012
  • VLA CASA Pipeline-CASA4.7.2
    ...annels and their widths in frequency and velocity units. For each spw, the polarization products and the receiver bands are also listed. ...The 37-39GHz range of ea18 varies considerably more. In fact this antenna, polarization and baseband shows a deformatter timing error (more in the following stage
    50 KB (7,973 words) - 18:32, 2 February 2018
  • VLA CASA Pipeline-CASA5.1.2
    ...annels and their widths in frequency and velocity units. For each spw, the polarization products and the receiver bands are also listed. ...The 37-39GHz range of ea18 varies considerably more. In fact this antenna, polarization and baseband shows a deformatter timing error (more in the following stage
    52 KB (8,196 words) - 14:51, 13 February 2018
  • Baseband Stitching
    Spectral Windows: (18 unique spectral windows and 1 unique polarization setups)
    11 KB (1,530 words) - 21:09, 1 March 2012
  • VLA-S-CASA Pipeline-CASA6.2.1
    ...libration_based_on_CASA_pipeline_standard_reduction:_The_radio_galaxy_3C75 Polarization Calibration based on CASA pipeline (3C75)]. ...annels and their widths in frequency and velocity units. For each spw, the polarization products and the receiver bands are also listed. The real id is the spw id
    60 KB (9,393 words) - 19:00, 28 February 2022
  • VLA-S-CASA Pipeline-CASA6.4.1
    ...libration_based_on_CASA_pipeline_standard_reduction:_The_radio_galaxy_3C75 Polarization Calibration based on CASA pipeline (3C75)]. ...annels and their widths in frequency and velocity units. For each spw, the polarization products and the receiver bands are also listed. The real id is the spw id
    62 KB (9,694 words) - 13:46, 17 January 2023
  • VLA Polarization pipe Tutorial
    ...indows with 64 channels each. The observation was set up to allow for full polarization calibration. The first step of polarization calibration is to first obtain a decent Stokes I (RR and LL) calibration. T
    123 KB (17,782 words) - 13:42, 22 April 2024

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