Milliarcsecond Polarization Measurements of Compact         Extragalactic Radio Sources
{'Code': '03020400', 'Directorate': {'Abbreviation': 'MPS', 'LongName': 'Direct For Mathematical & Physical Scien'}, 'Division': {'Abbreviation': 'AST', 'LongName': 'Division Of Astronomical Sciences'}}
{'SignBlockName': 'Millissa J. Evans', 'PO_EMAI': None, 'PO_PHON': None}
The linear polarization of the centimeter-wave length radiation                 from active galactic nuclei (AGN) will be studied at the smallest               angular scales.  This will be accomplished with the technique of                polarization-sensitive Very Long Baseline Interferometry                        ("polarization VLBI"), whereby the linear polarization structure                of compact radio sources may be determined on angular scales of                 milliarcseconds.  At the distance of AGN, this corresponds to                   physical scales of light years.  The linear polarization tells us               about the magnetic field structure, radiation mechanisms,                       particle content, kinematics, and geometry of AGNs, which will                  help us understand their structure and evolution.  The ultimate                 goal of this work is to elaborate the mechanism that lies at the                heart of AGNs, currently thought to be accretion of material onto               massive black holes.
{'FirstName': 'David', 'LastName': 'Roberts', 'PI_MID_INIT': 'H', 'PI_SUFX_NAME': None, 'PI_FULL_NAME': 'David H Roberts', 'EmailAddress': 'Roberts@Brandeis.edu', 'NSF_ID': '000232303', 'StartDate': '07/01/1989', 'EndDate': None, 'RoleCode': 'Principal Investigator'}
{'Name': 'Brandeis University', 'CityName': 'WALTHAM', 'ZipCode': '024532728', 'PhoneNumber': '7817362121', 'StreetAddress': '415 SOUTH ST', 'StreetAddress2': None, 'CountryName': 'United States', 'StateName': 'Massachusetts', 'StateCode': 'MA', 'CONGRESSDISTRICT': '05', 'CONGRESS_DISTRICT_ORG': 'MA05', 'ORG_UEI_NUM': 'MXLZGAMFEKN5', 'ORG_LGL_BUS_NAME': 'BRANDEIS UNIVERSITY', 'ORG_PRNT_UEI_NUM': 'JLC9RHNT9479'}
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{'Code': '1217', 'Text': 'EXTRAGALACTIC ASTRON & COSMOLO'}
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