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            <name>Title</name>
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    <name>Article</name>
    <description>Faculty Publications -Articles</description>
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          <name>Title</name>
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              <text>A study of pulsation &amp;amp; rotation in a sample of A-K type stars in the Kepler field</text>
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          <name>Subject</name>
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              <text>Stars: oscillations; Stars: rotation, starspots; Stars: variables; Stars: variables: solarlike; Stars: variables: ? Scuti</text>
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          <name>Description</name>
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              <text>We present the results of time-series photometric analysis of 15106 A-K type stars observed by the Kepler space mission. We identified 513 new rotational variables and measured their starspot rotation periods as a function of spectral type and discuss the distribution of their amplitudes. We examined the well-established period-color relationship that applies to stars of spectral types F5-K for all of these rotational variables and, interestingly, found that a similar period-color relationship appears to extend to stars of spectral types A7 to early-F too. This result is not consistent with the very foundation of the period-color relationship. We have characterized 350 new non-radial pulsating variables such as A- and F-type candidate ? Scuti, ? Doradus and hybrid stars, which increases the known candidate non-radial pulsators in the Kepler field significantly, by ?20%. The relationship between two recently constructed observables, Energy and Efficiency, was also studied for the large sample of non-radial pulsators, which shows that the distribution in the logarithm of Energy (log (En)) can be used as a potential tool to distinguish between the non-radial pulsators, to some extent. Through visual inspection of the light curves and their corresponding frequency spectra, we found 23 new candidate red giant solar-like oscillators not previously reported in the literature. The basic physical parameters such as masses, radii and luminosities of these solar-like oscillators were also derived using asteroseismic relations.  2018, The Author(s).</text>
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          <name>Creator</name>
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              <text>Chowdhury S.; Joshi S.; Engelbrecht C.A.; De Cat P.; Joshi Y.C.; Paul K.T.</text>
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              <text>Astrophysics and Space Science, Vol-363, No. 12</text>
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          <name>Publisher</name>
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              <text>Springer Netherlands</text>
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          <name>Date</name>
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              <text>2018-01-01</text>
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              <text>&lt;a href="https://doi.org/10.1007/s10509-018-3480-1" target="_blank" rel="noreferrer noopener"&gt;https://doi.org/10.1007/s10509-018-3480-1&lt;/a&gt;
&lt;br /&gt;&lt;br /&gt;&lt;a href="https://www.scopus.com/inward/record.uri?eid=2-s2.0-85057811286&amp;amp;doi=10.1007%2Fs10509-018-3480-1&amp;amp;partnerID=40&amp;amp;md5=1c5fa8759a99ee730ac9a5e1556a5166" target="_blank" rel="noreferrer noopener"&gt;https://www.scopus.com/inward/record.uri?eid=2-s2.0-85057811286&amp;amp;doi=10.1007%2fs10509-018-3480-1&amp;amp;partnerID=40&amp;amp;md5=1c5fa8759a99ee730ac9a5e1556a5166&lt;/a&gt;</text>
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              <text>All Open Access; Green Open Access; Hybrid Gold Open Access</text>
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              <text>ISSN: 0004640X</text>
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              <text>Online</text>
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          <name>Language</name>
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              <text>English</text>
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          <name>Type</name>
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              <text>Article</text>
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              <text>Chowdhury S., Nicolaus Copernicus Astronomical Center, Bartycka 18, Warsaw, 00-716, Poland, Department of Physics, CHRIST (Deemed to be University), Hosur Road, Bengaluru, 560029, Karnataka, India, Aryabhatta Research Institute of Observational Sciences (ARIES), Manora Peak, Nainital, 263002, India; Joshi S., Aryabhatta Research Institute of Observational Sciences (ARIES), Manora Peak, Nainital, 263002, India; Engelbrecht C.A., Department of Physics, University of Johannesburg, PO Box 524, Auckland Park, Johannesburg, 2006, South Africa; De Cat P., Royal Observatory of Belgium, Ringlaan 3, Brussel, 1180, Belgium; Joshi Y.C., Aryabhatta Research Institute of Observational Sciences (ARIES), Manora Peak, Nainital, 263002, India; Paul K.T., Department of Physics, CHRIST (Deemed to be University), Hosur Road, Bengaluru, 560029, Karnataka, India</text>
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