EVLA Polarization Modes

Scope

Description: The polarization commissioning area consists of 3 components (1) instrumental polarization calibration, (2) polarization calibration source observations and database, and (3) polarization data processing software.

Group

• Leader: Myers
• Primary Participants: Bhatnagar, Greisen, Moellenbrock, Myers, Perley, Sault
• Secondary Participants: Brisken, Chandler, Cotton, Momjian, Owen, Rau, Sjouwerman
• Additional Participants: Benson, Brogan, Carilli, Dhawan, Fomalont, Harland, Kogan, Ott, Rupen
• RSRO Participants: Green, Heesen, Taylor
• ECSO Participants: (Owen), (Myers)

Polarization Documentation

• http://evlaguides.nrao.edu/index.php?title=Category:Observing_Preparation

Coarse Commissioning Plan & Status

Note: All polarization tickets in JIRA may be found by doing a quick search on 'Polarization'; you can also go under 'Issues'->'Search for issues', select on Project: EVLA Commissioning and Science Verification and Components: Polarization.

ECSV task	ECSV subtask	Target	Responsible	Quarter	Status
28	-	Polarization calibration documents (Parent)	Myers	2010-Q1
-	24	Polarization calibration plan discussion	Myers	2010-Q1
-	29	Polarization calibration commissioning plan	Myers	2010-Q1
-	79	Polarization calibration observer recommendations documentation	Myers	2010-Q4
-	80	Polarization service observations proposal	Myers	2010-Q4
81	-	Polarization on-axis leakage calibration (Parent)	Myers	2010-Q4
-	10	Polarization stability	Myers	2010-Q4
-	72	Polarization stability test	Marvil	2010-Q3
-	69	Polarization calibration C band checkout	Marvil	2010-Q3
-	41	Polarization calibration at L, S and C bands	Momjian	2010-Q4
-	25	Polarization calibration L/C/K/Ka/Q	Myers	2010-Q4
82	-	Polarization R-L phase calibration (Parent)	Myers	2010-Q4
83	-	Polarization primary beam/off-axis calibration (Parent)	Myers	2010-Q4
-	84	Polarization off-axis calibration (half-power point)	Heesen	2010-Q3
85	-	Polarization: circular polarization (Parent)	Myers	2010-Q4
86	-	Polarization calibration sources and monitoring	Myers	2010-Q4
67	-	Polarization algorithm development	Perley	2011-Q2
87	-	Polarization: Antenna cross-polarization measurement	Perley	2010-Q3

• Polarization data descriptions under: https://bugs.aoc.nrao.edu/browse/ECDATA-150

-- JosephMcMullin - 17 Aug 2010