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<HSTProposal
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   Phase2ID="15034"
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   <!--Date: Fri Apr 07 21:27:18 GMT 2017-->
   
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            NotificationAddress="lwymarie@ucolick.org"
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----- Attempting Submission 1 (Fri Apr 07 21:27:18 GMT 2017) -----</SubmissionLog>
            
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   <ProposalInformation
      Category="AR"
      PureParallelProposal="false"
      Cycle="25"
      STScIEditNumber="0">
      
      <Title>Observing AGN Feedback Down-the-Barrel Using Associated Absorbers at z &lt;~ 1.5</Title>
      
      <Abstract>Observations have shown a high incidence of highly ionized absorbers within several thousand km/s of the emission redshift of AGNs, which are termed narrow associated absorption line systems (NAALs). Observations of gas surrounding quasar-host galaxies in comparison to NAALs on circumgalactic scales have found anisotropic ionizing radiation, which may translate to anisotropy in AGN feedback. While z &gt;~ 2 NAALs have been extensively surveyed in optical datasets, analyses at z &lt;~ 1.5 have been limited to small samples with underutilized observational constraints. 

We propose an exhaustive, archival search of HI, CIV, NV, OVI narrow absorbers at velocity separation &gt;-10000 km/s from the systemic redshift in z &lt;~ 1.5 AGNs. Our goal is to examine their physical conditions and statistical properties, using a sample of unprecedented size. We will assess their kinematics, chemical abundances, ionization states, and distances to the host AGN. We will assess correlation patterns among properties of NAALs and AGN luminosity. We will compare the line-of-sight circumgalactic medium to studies of circumgalactic medium transverse to the AGN to assess AGN feedback. In contrast to the high-z universe, AGNs at z &lt;~ 1.5 have more precisely measured systemic redshifts, which will enable us to search for signs of coherent outflows and infalling gas, and separately analyze possible inflows for the first time. Moreover, the lower IGM opacity will allow much higher sensitivity to the far and extreme UV diagnostics. 

We will release a database of UV spectra cross-matched with optical spectra of the same AGNs, with improved continuum fits and identifications of associated absorption lines.</Abstract>
      
      <PrincipalInvestigator
         Honorific="Ms."
         FirstName="Marie Wingyee"
         LastName="Lau"
         ESAMember="false"
         CSAMember="false"
         Retired="false"
         UniqueID="18557"
         Institution="University of California - Santa Cruz"
         Country="USA"
         State="CA"
         Contact="true"
         AdminCoI="CoI: Prof. Piero Madau " />
      
      <CoInvestigator
         Honorific="Dr."
         FirstName="Jason"
         MiddleInitial="X."
         LastName="Prochaska"
         ESAMember="false"
         CSAMember="false"
         Retired="false"
         UniqueID="4705"
         Institution="University of California - Santa Cruz"
         Country="USA"
         State="CA"
         Contact="false"
         AdminUSPI="false" />
      
      <CoInvestigator
         Honorific="Prof."
         FirstName="Joseph"
         LastName="Hennawi"
         ESAMember="false"
         CSAMember="false"
         Retired="false"
         UniqueID="7082"
         Institution="University of California - Santa Barbara"
         Country="USA"
         State="CA"
         Contact="false"
         AdminUSPI="false" />
      
      <CoInvestigator
         Honorific="Dr."
         FirstName="Nicolas"
         LastName="Tejos"
         ESAMember="false"
         CSAMember="false"
         Retired="false"
         UniqueID="9029"
         Institution="Millennium Institute of Astrophysics"
         Country="CHL"
         State="Santiago"
         Contact="false"
         AdminUSPI="false" />
      
      <CoInvestigator
         Honorific="Dr."
         FirstName="Serena"
         LastName="Perrotta"
         ESAMember="false"
         CSAMember="false"
         Retired="false"
         UniqueID="18563"
         Institution="University of California - Riverside"
         Country="USA"
         State="CA"
         Contact="false"
         AdminUSPI="false" />
      
      <CoInvestigator
         Honorific="Prof."
         FirstName="Piero"
         LastName="Madau"
         ESAMember="false"
         CSAMember="false"
         Retired="false"
         UniqueID="3240"
         Institution="University of California - Santa Cruz"
         Country="USA"
         State="CA"
         Contact="false"
         AdminUSPI="true" />
      
      <Questions>
         
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            <ObservingDescription />
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      <Phase1ProposalInformation
         Attachment="/Users/lwymarie/Documents/Proposals/HST/2017/phase1-AR.pdf">
         
         <ScientificCategory>Massive Black Holes And Their Host Galaxies</ScientificCategory>
         
         <SecondaryScientificCategory>Galaxies and the IGM</SecondaryScientificCategory>
         
         <ScientificKeyword1
            Keyword="AGN Host Galaxies" />
         
         <ScientificKeyword2
            Keyword="Feedback" />
         
         <ScientificKeyword3
            Keyword="High-Luminosity AGN/Quasars" />
         
         <ScientificKeyword4
            Keyword="Supermassive Black Holes" />
         
         <ScientificKeyword5
            Keyword="Winds and Outflows" />
         
         <ProprietaryPeriod
            Default="true">0</ProprietaryPeriod>
         
         <Budget>Regular</Budget>
         
         <CalibProp>false</CalibProp>
         
         <UvInit>true</UvInit>
         
         <Theory>false</Theory>
      </Phase1ProposalInformation>
      
      <Phase2ProposalInformation
         PCFlag="false">
         
         <Availability>SUPPORTED</Availability>
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      <Dataset
         Instrument="COS"
         Number="1"
         NumberOfDatasets="2065"
         RetrievalMethod="FTP"
         RetrievalPlan="Data transfer will take place over the course of two weeks." />
      
      <Dataset
         Instrument="STIS"
         Number="2"
         NumberOfDatasets="1001"
         RetrievalMethod="FTP"
         RetrievalPlan="Data transfer will take place over the course of two weeks." />
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