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P. Wiita · SciRah

Researcher profile · Semantic Scholar

P. Wiita

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P. Wiita — researcher profile on SciRah

h-index: 39
Works: 336
Citations: 5,284

Most-cited papers

A 34.5 day quasi-periodic oscillation in γ-ray emission from the blazar PKS 2247–131
Jia-Neng Zhou, Zhong-Xiang Wang, Liang Chen, P. Wiita +4 more
2018Nature Communications66 citations Open access
Semantic Scholar
Multiwaveband quasi-periodic oscillation in the blazar 3C 454.3
A. Sarkar, Alok C. Gupta, V. Chitnis, P. Wiita
202037 citations Open access
Semantic Scholar
Possible ~1 hour quasi-periodic oscillation in narrow-line Seyfert 1 galaxy MCG–06–30–15
Alok C. Gupta, Ashutosh Tripathi, P. Wiita, M. Gu +2 more
2018Astronomy & Astrophysics36 citations Open access
Semantic Scholar
Detection of a quasi-periodic oscillation in γ-ray light curve of the high redshift blazar B2 1520+31
Alok C. Gupta, Ashutosh Tripathi, P. Wiita, P. Kushwaha +2 more
2018Monthly notices of the Royal Astronomical Society35 citations Open access
Semantic Scholar
Multiwavelength temporal and spectral variability of the blazar OJ 287 during and after the 2015 December flare: a major accretion disc contribution
P. Kushwaha, A. Gupta, P. Wiita, H. Gaur +32 more
201734 citations Open access
Semantic Scholar
Multiwavelength Variability Study of the Classical BL Lac Object PKS 0735+178 on Timescales Ranging from Decades to Minutes
A. Goyal, L. Stawarz, M. Ostrowski, V. Larionov +5 more
201734 citations Open access
Semantic Scholar
Long-term Variability and Correlation Study of the Blazar 3C 454.3 in the Radio, NIR, and Optical Wavebands
A. Sarkar, V. Chitnis, Alok C. Gupta, H. Gaur +10 more
2019Astrophysical Journal30 citations Open access
Semantic Scholar
Characterizing Optical Variability of OJ 287 in 2016–2017
Alok C. Gupta, H. Gaur, P. Wiita, A. Pandey +21 more
2018Astronomical Journal30 citations Open access
Semantic Scholar
A peculiar multiwavelength flare in the blazar 3C 454.3
Alok C. Gupta, A. Mangalam, P. Wiita, P. Kushwaha +19 more
201729 citations Open access
Semantic Scholar
Multi-waveband quasi-periodic oscillations in the light curves of blazar CTA 102 during its 2016–2017 optical outburst
A. Sarkar, P. Kushwaha, Alok C. Gupta, V. Chitnis +1 more
2020Astronomy & Astrophysics27 citations Open access
Semantic Scholar
Optical Flux and Colour Variability of Blazars in the ZTF Survey
Vibhore Negi, R. Joshi, K. Chand, H. Chand +3 more
202123 citations Open access
Semantic Scholar
X-shaped Radio Galaxies: Optical Properties, Large-scale Environment, and Relationship to Radio Structure
R. Joshi, G. Krishna, Xiao-Long Yang, Jing-Jing Shi +8 more
2019Astrophysical Journal23 citations Open access
Semantic Scholar
The ever-surprising blazar OJ 287: multi-wavelength study and appearance of a new component in X-rays
P. Kushwaha, Alok C. Gupta, P. Wiita, Main Pal +20 more
2018Monthly notices of the Royal Astronomical Society23 citations Open access
Semantic Scholar
Optical Variability of TeV Blazars on long time-scales
H. Gaur, Alok C. Gupta, R. Bachev, A. Strigachev +11 more
2019Monthly notices of the Royal Astronomical Society22 citations Open access
Semantic Scholar
X-Ray Flux and Spectral Variability of Six TeV Blazars with NuSTAR
A. Pandey, Alok C. Gupta, P. Wiita
201822 citations Open access
Semantic Scholar
Optical Flux and Spectral Variability of the TeV Blazar PG 1553+113
A. Pandey, Alok C. Gupta, P. Wiita, S. Tiwari
2019Astrophysical Journal21 citations Open access
Semantic Scholar
Catching butterflies in the sky: Extended catalog of winged or X-shaped radio sources from the latest FIRST data release
Xiao-Long Yang, R. Joshi, Gopal-Krishna, T. An +7 more
201921 citations Open access
Semantic Scholar
Quasi-periodic oscillations in the long-term radio light curves of the blazar AO 0235+164
Ashutosh Tripathi, Alok C. Gupta, M. Aller, P. Wiita +3 more
202120 citations Open access
Semantic Scholar
A possible γ-ray quasi-periodic oscillation of ∼314 days in the blazar OJ 287
P. Kushwaha, A. Sarkar, Alok C. Gupta, Ashutosh Tripathi +1 more
202018 citations Open access
Semantic Scholar
Detection of a quasi-periodic oscillation in the optical light curve of the remarkable blazar AO 0235+164
A. Roy, V. Chitnis, Alok C. Gupta, P. Wiita +7 more
202215 citations Open access
Semantic Scholar
Long-term Multiband Near-infrared Variability of the Blazar OJ 287 during 2007–2021
Alok C. Gupta, P. Kushwaha, L. Carrasco, Hai-Guang Xu +8 more
2022Astrophysical Journal Supplement Series15 citations Open access
Semantic Scholar
X-Ray Intraday Variability of the TeV Blazar Mrk 421 with Suzaku
Zhong-Li Zhang, Alok C. Gupta, H. Gaur, P. Wiita +4 more
2019Astrophysical Journal15 citations Open access
Semantic Scholar
Evidence of Jet Activity from the Secondary Black Hole in the OJ 287 Binary System
M. Valtonen, S. Zola, Alok C. Gupta, S. Kishore +28 more
2024Astrophysical Journal Letters14 citations Open access
Semantic Scholar
Rapid Optical Flares in the Blazar OJ 287 on Intraday Timescales with TESS
S. Kishore, Alok C. Gupta, P. Wiita
2023Astrophysical Journal14 citations Open access
Semantic Scholar
X-Ray Intraday Variability of the TeV Blazar PKS 2155–304 with Suzaku during 2005–2014
Zhong-Li Zhang, Alok C. Gupta, H. Gaur, P. Wiita +4 more
2021Astrophysical Journal14 citations Open access
Semantic Scholar
Multiwavelength Variability Power Spectrum Analysis of the Blazars 3C 279 and PKS 1510–089 on Multiple Timescales
A. Goyal, M. Soida, Ł. Stawarz, P. Wiita +23 more
2021Astrophysical Journal14 citations Open access
Semantic Scholar
Optical Quasi-periodic Oscillations in the TESS light curves of three blazars
Ashutosh Tripathi, Krista Lynne Smith, P. Wiita, Robert V Wagoner
2023Monthly notices of the Royal Astronomical Society13 citations Open access
Semantic Scholar
Detection of Quasiperiodic Oscillations in the Blazar S4 0954+658 with TESS
S. Kishore, Alok C. Gupta, P. Wiita
2022Astrophysical Journal13 citations Open access
Semantic Scholar
X-ray Intraday Variability of the TeV Blazar Mrk 421 with Chandra
Vishi Aggrawal, A. Pandey, Alok C. Gupta, Zhong-Li Zhang +3 more
2018Monthly notices of the Royal Astronomical Society13 citations Open access
Semantic Scholar
Multiband optical flux density and polarization microvariability study of optically bright blazars
Magdalena Pasierb, A. Goyal, M. Ostrowski, L. Stawarz +20 more
2019Monthly notices of the Royal Astronomical Society11 citations Open access
Semantic Scholar
X-ray Intraday Variability of HBL Blazars with XMM-Newton
P. Devanand, Alok C. Gupta, V. Jithesh, P. Wiita
202210 citations Open access
Semantic Scholar
Multiband variability of the TeV blazar PG 1553+113 with XMM–Newton
V. Dhiman, Alok C. Gupta, H. Gaur, P. Wiita
202110 citations Open access
Semantic Scholar
Extended Catalog of Winged or X-shaped Radio Sources from the FIRST Survey
Xiao-Long Yang, R. Joshi, Gopal-Krishna, T. An +7 more
2019Astrophysical Journal Supplement Series10 citations Open access
Semantic Scholar
Measuring the Variability in K2 Optical Light Curves of the Binary Black Hole Candidate OJ 287 and Other Fermi Active Galactic Nuclei in 2014–2015
A. Wehrle, M. Carini, P. Wiita
2019Astrophysical Journal10 citations Open access
Semantic Scholar
Origin of X-rays in the low state of the FSRQ 3C 273: evidence of inverse Compton emission
N. Kalita, Alok C. Gupta, P. Wiita, G. Dewangan +1 more
201710 citations Open access
Semantic Scholar
Quasi-simultaneous Optical Flux and Polarization Variability of the Binary Super Massive Black Hole Blazar OJ 287 from 2015 to 2023: Detection of an Anticorrelation in Flux and Polarization Variability
Alok C. Gupta, P. Kushwaha, M. Valtonen, S. Savchenko +24 more
2023Astrophysical Journal Letters9 citations Open access
Semantic Scholar
Multiwavelength Temporal Variability of the Blazar PKS 1510–089
Q. Yuan, P. Kushwaha, Alok C. Gupta, Ashutosh Tripathi +12 more
2023Astrophysical Journal9 citations Open access
Semantic Scholar
Optical Variability of the TeV Blazar 1ES 0806+524 on Diverse Timescales
A. Pandey, Alok C. Gupta, S. O. Kurtanidze, P. Wiita +13 more
2020Astrophysical Journal9 citations Open access
Semantic Scholar
Optical intra-day variability of the blazar S5 0716+714
T. Tripathi, Alok C. Gupta, A. Takey, R. Bachev +17 more
2023Monthly notices of the Royal Astronomical Society8 citations Open access
Semantic Scholar
Optical variability of three extreme TeV blazars
A. Pandey, Alok C. Gupta, G. Damljanović, P. Wiita +2 more
20208 citations Open access
Semantic Scholar
Radio-loud Active Galactic Nucleus Variability from Three-dimensional Propagating Relativistic Jets
Yu-Tong Li, P. Wiita, Terance Schuh, Geena Elghossain +1 more
2018Astrophysical Journal8 citations Open access
Semantic Scholar
X-ray Flux and Spectral Variability of the Blazar OJ 287 with Suzaku
Dongtao Zhou, Zhongli Zhang, Alok C. Gupta, P. Kushwaha +3 more
20247 citations
Semantic Scholar
X-ray Intraday Variability and Power Spectral Density Profiles of the Blazar 3C 273 with XMM-Newton during 2000-2021
G. S. P. Gowtami, H. Gaur, Alok C. Gupta, P. Wiita +2 more
20217 citations Open access
Semantic Scholar
Search for Quasi-Periodic Oscillations in TESS light curves of bright Fermi Blazars
Ashutosh Tripathi, Krista Lynne Smith, P. Wiita, Robert V Wagoner
2024Monthly notices of the Royal Astronomical Society6 citations Open access
Semantic Scholar
Revisiting Radio Variability of the Blazar 3C 454.3
Ashutosh Tripathi, Alok C. Gupta, Krista Lynne Smith, P. Wiita +6 more
2024Astrophysical Journal6 citations Open access
Semantic Scholar
Origin of the broadband emission from the transition blazar B2 1308+326
A. Pandey, P. Kushwaha, P. Wiita, R. Prince +2 more
2023Astronomy & Astrophysics6 citations Open access
Semantic Scholar
Signature of Stochastic Acceleration and Cooling Processes in an Outburst Phase of the TeV Blazar ON 231
N. Kalita, U. Sawangwit, Alok C. Gupta, P. Wiita
2019Astrophysical Journal6 citations Open access
Semantic Scholar
Identifying the Secondary Jet in the RadioAstron Image of OJ 287
M. Valtonen, L. Dey, S. Zola, Alok C. Gupta +25 more
2025Astrophysical Journal5 citations Open access
Semantic Scholar
Multi-band cross-correlated radio variability of the Blazar 3C 279
Krishna Mohana A, Alok C. Gupta, A. Marscher, Y. Sotnikova +17 more
2023Monthly notices of the Royal Astronomical Society5 citations Open access
Semantic Scholar
Probable low-frequency quasi-periodic oscillations in blazars from the ZTF survey
A. Banerjee, Vibhore Negi, R. Joshi, Nagendra Kumar +5 more
2022Monthly notices of the Royal Astronomical Society5 citations Open access
Semantic Scholar

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