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Browsing by Author "Agrawal, V"

Browsing by Author "Agrawal, V"

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  • Multi-band behaviour of the TeV blazar PG 1553+113 in optical range on diverse timescales 
    Agarwal, A; Mihov, B; Andruchow, I; Cellone, S. A; Anupama, G. C; Agrawal, V; Zola, S; Slavcheva, L; Slavcheva-Mihova, L; Ozdonmez, A; Ege, Ergun; Raj, A; Mammana, L; Zibecchi, L; Fernandez-Lajus, E (EDP Sciences, 2021-01)
    Context. The TeV BL Lac object PG 1553+113 is one of the primary candidates for a binary supermassive black hole system. Aims. We study the flux and spectral variability of PG 1553+113 on intra-night to long-term ...
  • Optical flux and spectral characterization of the blazar PG 1553 + 113 based on the past 15 years of data 
    Agarwal, Aditi; Mihov, B; Andruchow, I; Cellone, Sergio A; Anupama, G. C; Agrawal, V; Zola, S; Ergun Ege; Özdönmez, Aykut; Ege, Ergün (Indian Academy of Sciences, 2022-06)
    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 ...
  • Spectral evolution of LMXB GX 349+2 
    Agrawal, V; Sreekumar, P (Astronomical Society of India, 2002-09)
    Z sources are the brightest low-mass X-ray binaries (LMXB) believed to contain magnetized neutron stars. They trace a '2' shaped track in theil X-ray colour-colour diagram. It is thought that the accretion rate increases ...
  • Timing and spectral studies of the 1999 Outburst of 4U 1630-47 
    Abraham, L; Agrawal, V; Sreekumar, P; Seetha, S (Astronomical Society of India, 2001)

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