1 Ocak 2022 Dergi makalesi Açık Erişim

Agarwal, Aditi; Mihov, B.; Andruchow, I; Cellone, Sergio A.; Anupama, G. C.; Agrawal, V; Zola, S.; Ozdonmez, Aykut; Ege, Ergun

Dublin Core

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  <dc:creator>Agarwal, Aditi</dc:creator>
  <dc:creator>Mihov, B.</dc:creator>
  <dc:creator>Andruchow, I</dc:creator>
  <dc:creator>Cellone, Sergio A.</dc:creator>
  <dc:creator>Anupama, G. C.</dc:creator>
  <dc:creator>Agrawal, V</dc:creator>
  <dc:creator>Zola, S.</dc:creator>
  <dc:creator>Ozdonmez, Aykut</dc:creator>
  <dc:creator>Ege, Ergun</dc:creator>
  <dc:date>2022-01-01</dc:date>
  <dc:description>We study flux and spectral variability of the high energy peaked TeV blazar PG 1553 + 113 on diverse timescales using the data collected from 2005 to 2019 which also includes the intensive intra-night monitoring of the target. Additionally, we recorded the brightest flare of the blazar PG 1553 + 113 during April 2019 when the source attained an R-band magnitude of 13.2. Analyzing the spectral evolution of the source during the flare gave a clockwise spectral hysteresis loop and a time lag with V-band variations leading to the R-band ones. Various statistical tests, fitting procedures and cross-correlation techniques are applied to search for periodicity and examine the color-magnitude relationship. We find a median period of (2.21 +/- 0.04) years along with the secondary period of about 210 days. Finally, we briefly discuss various physical mechanisms which are capable of explaining our findings.</dc:description>
  <dc:identifier>https://aperta.ulakbim.gov.trrecord/256847</dc:identifier>
  <dc:identifier>oai:aperta.ulakbim.gov.tr:256847</dc:identifier>
  <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
  <dc:rights>http://www.opendefinition.org/licenses/cc-by</dc:rights>
  <dc:source>JOURNAL OF ASTROPHYSICS AND ASTRONOMY 43(1)</dc:source>
  <dc:title>Optical flux and spectral characterization of the blazar PG 1553+113 based on the past 15 years of data</dc:title>
  <dc:type>info:eu-repo/semantics/article</dc:type>
  <dc:type>publication-article</dc:type>
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