A
Alok C. Gupta
Researcher at Aryabhatta Research Institute of Observational Sciences
Publications - 131
Citations - 4688
Alok C. Gupta is an academic researcher from Aryabhatta Research Institute of Observational Sciences. The author has contributed to research in topics: Blazar & Light curve. The author has an hindex of 39, co-authored 131 publications receiving 4052 citations. Previous affiliations of Alok C. Gupta include National Brain Research Centre & Physical Research Laboratory.
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Journal ArticleDOI
Withania somnifera reverses Alzheimer's disease pathology by enhancing low-density lipoprotein receptor-related protein in liver
Neha Sehgal,Alok C. Gupta,Rupanagudi Khader Valli,Shanker Datt Joshi,Jessica T Mills,Edith Hamel,Pankaj Khanna,Subhash C. Jain,Suman S. Thakur,Vijayalakshmi Ravindranath +9 more
TL;DR: The remarkable therapeutic effect of W. somnifera mediated through up-regulation of liver LRP indicates that targeting the periphery offers a unique mechanism for Aβ clearance and reverses the behavioral deficits and pathology seen in Alzheimer's disease models.
Journal ArticleDOI
Rapid Variability of Blazar 3C 279 During Flaring States in 2013-2014 with Joint Fermi-LAT, NuSTAR, Swift, and Ground-Based Multi-Wavelength Observations
M. Hayashida,Krzysztof Nalewajko,G. M. Madejski,M. Sikora,Ryosuke Itoh,Marco Ajello,Roger Blandford,S. Buson,S. Buson,James Chiang,Yasushi Fukazawa,A. K. Furniss,C. M. Urry,Imran Hasan,Fiona A. Harrison,David M. Alexander,Mislav Baloković,Didier Barret,Didier Barret,Steven E. Boggs,Finn Erland Christensen,W. W. Craig,W. W. Craig,K. Forster,Paolo Giommi,Brian W. Grefenstette,C. J. Hailey,Allan Hornstrup,Takao Kitaguchi,Jason E. Koglin,K. K. Madsen,Peter H. Mao,Hiromasa Miyasaka,Kaya Mori,M. Perri,M. Perri,Michael J. Pivovaroff,Simonetta Puccetti,Simonetta Puccetti,Vikram Rana,D. Stern,Gianpiero Tagliaferri,Niels Jørgen Stenfeldt Westergaard,W. W. Zhang,Andreas Zoglauer,Mark Gurwell,Makoto Uemura,Hiroshi Akitaya,Koji S. Kawabata,K. Kawaguchi,Yuka Kanda,Yuki Moritani,Katsutoshi Takaki,Takahiro Ui,Michitoshi Yoshida,Aditi Agarwal,Alok C. Gupta +56 more
TL;DR: The results of a multiband observing campaign on the famous blazar 3C 279 conducted during a phase of increased activity from 2013 December to 2014 April, including first observations of it with NuSTAR were reported in this paper.
Journal ArticleDOI
Rapid Variability of Blazar 3C 279 during Flaring States in 2013-2014 with Joint Fermi-LAT, NuSTAR, Swift, and Ground-Based Multi-wavelength Observations
M. Hayashida,Krzysztof Nalewajko,G. M. Madejski,M. Sikora,R. Itoh,Marco Ajello,Roger Blandford,Sara Buson,James Chiang,Yasushi Fukazawa,Amy Furniss,C. M. Urry,Imran Hasan,Fiona A. Harrison,David M. Alexander,Mislav Baloković,Didier Barret,Steven E. Boggs,F. E. Christensen,William W. Craig,K. Forster,P. Giommi,Brian W. Grefenstette,C. J. Hailey,Allan Hornstrup,Takao Kitaguchi,Jason E. Koglin,K. K. Madsen,Peter H. Mao,Hiromasa Miyasaka,Kaya Mori,M. Perri,Michael J. Pivovaroff,Simonetta Puccetti,V. Rana,D. Stern,G. Tagliaferri,N. J. Westergaard,W. W. Zhang,Andreas Zoglauer,Mark Gurwell,Makoto Uemura,Hiroshi Akitaya,Koji S. Kawabata,K. Kawaguch,Yuka Kanda,Y. Moritani,Katsutoshi Takaki,Takahiro Ui,Michitoshi Yoshida,Aditi Agarwal,Alok C. Gupta +51 more
TL;DR: In this article, the authors report the results of a multi-band observing campaign on the famous blazar 3C 279 conducted during a phase of increased activity from 2013 December to 2014 April, including first observations of it with NuSTAR.
Journal ArticleDOI
Results of WEBT, VLBA and RXTE monitoring of 3C 279 during 2006-2007 ⋆
Valeri M. Larionov,Valeri M. Larionov,Svetlana G. Jorstad,Svetlana G. Jorstad,Alan P. Marscher,C. M. Raiteri,M. Villata,Ivan Agudo,Margo F. Aller,Arkady A. Arkharov,I. M. Asfandiyarov,Uwe Bach,Rumen Bachev,Andrei Berdyugin,Markus Böttcher,Carla Buemi,P. Calcidese,D. Carosati,Patrick Charlot,Wen Ping Chen,A. Di Paola,Mauro Dolci,S.S. Doğru,V. T. Doroshenko,V. T. Doroshenko,Yu. S. Efimov,Ahmet Erdem,Antonio Frasca,Lars Fuhrmann,P. Giommi,L. Glowienka,Alok C. Gupta,Alok C. Gupta,Mark Gurwell,Vladimir A. Hagen-Thorn,W.-S. Hsiao,Mansur Ibrahimov,B. Jordan,M. Kamada,Tatiana S. Konstantinova,E. N. Kopatskaya,Yuri Y. Kovalev,Yuri Y. Kovalev,Yuri Kovalev,Omar M. Kurtanidze,Anne Lähteenmäki,L. Lanteri,L. V. Larionova,Paolo Leto,P. Le Campion,C.-U. Lee,Elina Lindfors,E. Marilli,I. M. McHardy,M. G. Mingaliev,S. V. Nazarov,E. Nieppola,Kari Nilsson,J. M. Ohlert,M. Pasanen,D. Porter,T. Pursimo,J. A. Ros,Kozo Sadakane,A. C. Sadun,S. G. Sergeev,N. Smith,A. Strigachev,Naoko Sumitomo,L. O. Takalo,Ken'ichi Tanaka,Corrado Trigilio,G. Umana,H. Ungerechts,A. E. Volvach,W. Yuan +75 more
TL;DR: In this article, the authors present radio-to-optical data taken by the WEBT, supplemented by our VLBA and RXTE observations, of 3C 279.
Journal ArticleDOI
Periodic oscillations in the intra-day optical light curves of the blazar s5 0716+714
TL;DR: In this paper, the authors present the results of a periodicity search of 20 intra-day variable optical light curves of the blazar S5 0716+714, selected from a database of 102 light curves spanning over three years.