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<item xmlns="http://omeka.org/schemas/omeka-xml/v5" itemId="15805" public="1" featured="0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://omeka.org/schemas/omeka-xml/v5 http://omeka.org/schemas/omeka-xml/v5/omeka-xml-5-0.xsd" uri="https://archives.christuniversity.in/items/show/15805?output=omeka-xml" accessDate="2026-05-15T04:55:22+00:00">
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          <element elementId="50">
            <name>Title</name>
            <description>A name given to the resource</description>
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                <text>Articles</text>
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    <name>Article</name>
    <description>Faculty Publications -Articles</description>
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      <name>Dublin Core</name>
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        <element elementId="50">
          <name>Title</name>
          <description>A name given to the resource</description>
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              <text>Estimation of the size and structure of the broad line region using Bayesian approach</text>
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        <element elementId="49">
          <name>Subject</name>
          <description>The topic of the resource</description>
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            <elementText elementTextId="117996">
              <text>galaxies: active; galaxies: nuclei; galaxies: photometry; galaxies: Seyfert</text>
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          <name>Description</name>
          <description>An account of the resource</description>
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            <elementText elementTextId="117997">
              <text>Understanding the geometry and kinematics of the broad line region (BLR) of active galactic nuclei (AGN) is important to estimate black hole masses in AGN and study the accretion process. The technique of reverberation mapping (RM) has provided estimates of BLR size for more than 100 AGN now; however, the structure of the BLR has been studied for only a handful number of objects. Towards this, we investigated the geometry of the BLR for a large sample of 57 AGN using archival RM data. We performed systematic modelling of the continuum and emission line light curves using a Markov chain Monte Carlo method based on Bayesian statistics implemented in PBMAP (Parallel Bayesian code for reverberation-MAPping data) code to constrain BLR geometrical parameters and recover velocity integrated transfer function. We found that the recovered transfer functions have various shapes such as single-peaked, double-peaked, and top-hat suggesting that AGN have very different BLR geometries. Our model lags are in general consistent with that estimated using the conventional cross-correlation methods. The BLR sizes obtained from our modelling approach is related to the luminosity with a slope of 0.583  0.026 and 0.471  0.084 based on H ? and H ? lines, respectively. We found a non-linear response of emission line fluxes to the ionizing optical continuum for 93 per cent objects. The estimated virial factors for the AGN studied in this work range from 0.79 to 4.94 having a mean at 1.78  1.77 consistent with the values found in the literature.  2021 The Author(s) Published by Oxford University Press on behalf of Royal Astronomical Society.</text>
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          <name>Creator</name>
          <description>An entity primarily responsible for making the resource</description>
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            <elementText elementTextId="117998">
              <text>Mandal A.K.; Rakshit S.; Stalin C.S.; Petrov R.G.; Mathew B.; Sagar R.</text>
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          <name>Source</name>
          <description>A related resource from which the described resource is derived</description>
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            <elementText elementTextId="117999">
              <text>Monthly Notices of the Royal Astronomical Society, Vol-502, No. 2, pp. 2140-2157.</text>
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          <name>Publisher</name>
          <description>An entity responsible for making the resource available</description>
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            <elementText elementTextId="118000">
              <text>Oxford University Press</text>
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          <name>Date</name>
          <description>A point or period of time associated with an event in the lifecycle of the resource</description>
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            <elementText elementTextId="118001">
              <text>2021-01-01</text>
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        <element elementId="43">
          <name>Identifier</name>
          <description>An unambiguous reference to the resource within a given context</description>
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            <elementText elementTextId="118002">
              <text>&lt;a href="https://doi.org/10.1093/mnras/stab012" target="_blank" rel="noreferrer noopener"&gt;https://doi.org/10.1093/mnras/stab012&lt;/a&gt;
&lt;br /&gt;&lt;br /&gt;&lt;a href="https://www.scopus.com/inward/record.uri?eid=2-s2.0-85108011440&amp;amp;doi=10.1093%2Fmnras%2Fstab012&amp;amp;partnerID=40&amp;amp;md5=f6952b6e1c68162ab45a90ec0112010c" target="_blank" rel="noreferrer noopener"&gt;https://www.scopus.com/inward/record.uri?eid=2-s2.0-85108011440&amp;amp;doi=10.1093%2fmnras%2fstab012&amp;amp;partnerID=40&amp;amp;md5=f6952b6e1c68162ab45a90ec0112010c&lt;/a&gt;</text>
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        <element elementId="47">
          <name>Rights</name>
          <description>Information about rights held in and over the resource</description>
          <elementTextContainer>
            <elementText elementTextId="118003">
              <text>All Open Access; Green Open Access</text>
            </elementText>
          </elementTextContainer>
        </element>
        <element elementId="46">
          <name>Relation</name>
          <description>A related resource</description>
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              <text>ISSN: 358711; CODEN: MNRAA</text>
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          <name>Format</name>
          <description>The file format, physical medium, or dimensions of the resource</description>
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              <text>Online</text>
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          <name>Language</name>
          <description>A language of the resource</description>
          <elementTextContainer>
            <elementText elementTextId="118006">
              <text>English</text>
            </elementText>
          </elementTextContainer>
        </element>
        <element elementId="51">
          <name>Type</name>
          <description>The nature or genre of the resource</description>
          <elementTextContainer>
            <elementText elementTextId="118007">
              <text>Article</text>
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          </elementTextContainer>
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          <name>Coverage</name>
          <description>The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant</description>
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            <elementText elementTextId="118008">
              <text>Mandal A.K., Department of Physics, Christ (Deemed to Be University), Hosur Road, Bangalore, 560 029, India, Indian Institute of Astrophysics, Block Ii, Koramangala, Bangalore, 560 034, India; Rakshit S., Aryabhatta Research Institute of Observational Sciences, Manora Peak, Nainital, 263002, India, Finnish Centre for Astronomy with Eso (FINCA), University of Turku, Quantum, Vesilinnantie 5, University of Turku, 20014, Finland; Stalin C.S., Indian Institute of Astrophysics, Block Ii, Koramangala, Bangalore, 560 034, India; Petrov R.G., Observatoire de la Ce d'Azur, Cnrs, Laboratoire Lagrange, UniversitCe d'Azur, Parc Valrose, B. H. Fizeau, Nice, F-06108, France; Mathew B., Department of Physics, Christ (Deemed to Be University), Hosur Road, Bangalore, 560 029, India; Sagar R., Indian Institute of Astrophysics, Block Ii, Koramangala, Bangalore, 560 034, India</text>
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