PW
Paul J. Wiita
astro-ph.HEastro-ph.COastro-phastro-ph.GAgr-qchep-phastro-ph.IMapoptosiscaspaseGene Expression Regulation, Neoplastic
On Valency
published · living versionsW_96axut36·v1 · currentpublished
On the origin of X-shaped radio galaxies
with Gopal-Krishna, Peter L. Biermann, László Á. Gergely
1 version
Preprints & journals
155 papers in the corpus · 1996–2026Detection of Quasiperiodic Oscillations in the Blazar PKS 0735+178 with TESS2607.07200v2 · Shubham Kishore, Alok C. Gupta, Paul J. Wiita et al.2026 · 0 citationsarXiv
Multi-band optical photometric variability of the blazar OJ 287 from 2015 to 20252607.07201v1 · Alok C. Gupta, Karan Dogra, Mark Kidger et al.2026 · 0 citationsarXiv
Simulating megaparsec-scale jets of radio galaxies: Magneto-hydrodynamics of jets reaching 5 Mpc2606.28019v1 · Gourab Giri, Dario Borgogno, Marco Tavani et al.2026 · 0 citationsarXiv
X-Ray Spectral Variability of the TeV HBL Blazar PG 1553+113 with XMM-Newton2604.27502v1 · P. U. Devanand, Alok C. Gupta, Paul J. Wiita et al.2026 · 1 citationarXiv
Detection of optical quasi-periodic oscillation in the blazar 3C 454.32604.27503v1 · Karan Dogra, Alok C. Gupta, C. M. Raiteri et al.2026 · 0 citationsarXiv
Variability Study and Searching for QPOs with day-like periods in the blazar S5 0716+714 with TESS2603.06099v1 · Shubham Kishore, Alok C. Gupta, Paul J. Wiita2026 · 1 citationThe Astrophysical Journal, Year 2026, Volume 998, page number 317
Detection of quasi-periodic oscillations in the 37 GHz radio light curve of the blazar Ton 599 during 1990-20202603.06116v1 · Alok C. Gupta, Alexandr E. Volvach, Shubham Kishore et al.2026 · 1 citationarXiv
Probable Quasi-Periodic Oscillations in the {\tt TESS} observations of blazars in the Swift X-ray Survey2512.11266v1 · Ashutosh Tripathi, Paul J. Wiita, Krista Lynne Smith2025 · 1 citationarXiv
Application of time-series analysis methods to a multiple-sector TESS observations: the case of the radio-loud blazar 3C 3712512.10533v1 · Ashutosh Tripathi, Paul J. Wiita, Ryne Dingler et al.2025 · 0 citationsarXiv
Identifying the secondary jet in the RadioAstron image of OJ~2872510.06744v1 · Mauri J. Valtonen, Lankeswar Dey, Staszek Zola et al.2025 · 5 citationsThe Astrophysical Journal, October 9, 2025
Origin of the double-peaked narrow emission-lines in the optical spectra of X-shaped Radio Galaxies2509.12312v2 · Ghosh Prajnadipt, Ravi Joshi, Xiaolong Yang et al.2025 · 0 citationsarXiv
Low-velocity precessing jets can explain observed morphologies in the Twin Radio Galaxy TRG J104454+3540552506.01428v1 · Santanu Mondal, Gourab Giri, Ravi Joshi et al.2025 · 0 citationsarXiv
Brightness and colour variability in NLSy1s2504.14004v2 · Madhu Sudan (CUHP), Hum Chand (CUHP), Paul J. Wiita (TCNJ) et al.2025 · 4 citationsMon Not R Astron Soc (2025) 121-131
X-Ray Spectral Variability of Thirteen TeV High Energy Peaked Blazars with XMM-Newton2503.08386v1 · P. U. Devanand, Alok C. Gupta, V. Jithesh et al.2025 · 4 citationsApJS(2025) 278:20
Exploring the disc-jet scenario in 3C 273 using simultaneous XMM-Newton and NuSTAR observations2502.05697v1 · Ashwani Pandey, Santanu Mondal, Paul J. Wiita2025 · 1 citationA&A 695, A120 (2025)
Multiband Optical Variability of the Blazar 3C 454.3 on Diverse Timescales2412.10766v1 · Karan Dogra, Alok C. Gupta, C. M. Raiteri et al.2024 · 4 citationsApJS(2025) 276:1
Revisiting radio variability of the blazar 3C 454.32412.10771v1 · Ashutosh Tripathi, Alok C. Gupta, Krista Lynne Smith et al.2024 · 9 citationsThe Astrophysical Journal, Volume 977, Number 2, 166 (2024)
X-ray Flux and Spectral Variability of the Blazar OJ 287 with Suzaku2408.02371v1 · Dongtao Zhou, Zhongli Zhang, Alok C. Gupta et al.2024 · 7 citations2024MNRAS.532.3285Z
Evidence of jet activity from the secondary black hole in the OJ287 binary system2405.08627v1 · Mauri J. Valtonen, Staszek Zola, Alok C. Gupta et al.2024 · 17 citationsarXiv
Rapid Optical Flare in the Extreme TeV Blazar 1ES 0229+200 on Intraday Timescale with TESS2404.13638v1 · Shubham Kishore, Alok C. Gupta, Paul J. Wiita et al.2024 · 0 citationsarXiv
A Comparative Study of TESS Light Curve Extraction Methods Applied to Blazars2403.14744v1 · Ethan Poore, Michael Carini, Ryne Dingler et al.2024 · 3 citationsarXiv
Search for Quasi-Periodic Oscillations in TESS light curves of bright Fermi Blazars2402.04352v1 · Ashutosh Tripathi, Krista Lynne Smith, Paul J. Wiita et al.2024 · 11 citationsarXiv
In-situ acceleration of radio-emitting particles in the lobes of radio galaxies: Evolving observational perspective and recent clues2401.05595v2 · Gopal-Krishna, Paul Wiita2024 · 4 citationsarXiv
Optical Quasi-periodic Oscillations in the TESS light curves of three blazars2312.14144v1 · Ashutosh Tripathi, Krista Lynne Smith, Paul J. Wiita et al.2023 · 16 citationsarXiv
Optical intra-day variability of the blazar S5 0716+7142311.10358v1 · Tushar Tripathi, Alok C. Gupta, Ali Takey et al.2023 · 11 citationsarXiv
Multi-band optical variability on diverse timescales of the TeV blazar TXS 0506+56, the first cosmic neutrino source2311.02352v1 · Vinit Dhiman, Alok C. Gupta, Rumen Bachev et al.2023 · 0 citationsarXiv
Rapid Optical Flares in the Blazar OJ 287 on Intraday Timescales with TESS2311.02368v1 · Shubham Kishore, Alok C. Gupta, Paul J. Wiita2023 · 16 citationsarXiv
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 Variability2311.02372v1 · Alok C. Gupta, Pankaj Kushwaha, Mauri J. Valtonen et al.2023 · 16 citationsAstrophysical Journal Letters, 957 (2023) L11 (11pp)
Multi-band Cross-correlated Radio Variability of the Blazar 3C 2792311.02395v1 · Krishna Mohana A, Alok C. Gupta, Alan P. Marscher et al.2023 · 9 citationsMNRAS 527 (2024) 6970
Origin of the broadband emission from the transition blazar B2 1308+3262310.05096v2 · Ashwani Pandey, Pankaj Kushwaha, Paul J. Wiita et al.2023 · 11 citationsarXiv
Investigating the origin of optical flares from the TeV blazar S4 0954+652310.05104v1 · Ashwani Pandey, Rumen Bachev, Bozena Czerny et al.2023 · 5 citationsA&A 679, A28 (2023)
Multi-wavelength temporal variability of the blazar PKS 1510-0892306.10248v1 · Q. Yuan, Pankaj Kushwaha, Alok C. Gupta et al.2023 · 10 citationsarXiv
K2 Optical Emission from OJ 287 and Other Gamma-Ray Blazars on Hours-to-Weeks Timescales from 2014-20182305.17060v1 · Ann E. Wehrle, Michael Carini, Paul J. Wiita et al.2023 · 5 citationsarXiv
Intranight Optical Variability of Blazars and Radio-quiet Quasars using the ZTF Survey2304.11187v1 · Vibhore Negi (ARIES), Gopal-Krishna (CEBS), Ravi Joshi (IIA) et al.2023 · 5 citationsarXiv
A physically-motivated perspective of the Fanaroff-Riley classification of radio galaxies2302.10214v1 · Gopal-Krishna (CEBS), Paul J. Wiita (TCNJ), Ravi Joshi (IIA) et al.2023 · 0 citationsarXiv
Study of variability in long-term multiwavelength optical lightcurves of blazar AO 0235+1642301.01944v1 · Abhradeep Roy, Alok C. Gupta, Varsha R. Chitnis et al.2023 · 6 citationsarXiv
Multi-band Optical Variability of the TeV Blazar PG 1553+113 in 20192212.09016v1 · Vinit Dhiman, Alok C. Gupta, Sofia O. Kurtanidze et al.2022 · 6 citationsarXiv
Detection of Quasi-Periodic Oscillations in the Blazar S4 0954+658 with TESS2212.08918v1 · Shubham Kishore, Alok C. Gupta, Paul J. Wiita2022 · 16 citationsarXiv
Probable low-frequency quasi-periodic oscillations in blazars from the ZTF survey2210.07266v2 · Anuvab Banerjee, Vibhore Negi, Ravi Joshi et al.2022 · 7 citationsarXiv
X-ray Intraday Variability of HBL Blazars with XMM-Newton2209.05515v1 · P. U. Devanand, Alok C. Gupta, V. Jithesh et al.2022 · 17 citationsAPJ,939,80,2022
The Twin Radio galaxy TRG J104454+3540552205.04483v1 · Gopal-Krishna (UM-DAE CEBS), Ravi Joshi (IIA), Dusmanta Patra (SNBNCBS) et al.2022 · 2 citationsarXiv
Detection of a quasi-periodic oscillation in the optical light curve of the remarkable blazar AO 0235+1642205.03586v1 · Abhradeep Roy, Varsha R. Chitnis, Alok C. Gupta et al.2022 · 23 citationsarXiv
Long Term Multi-band Near Infra-Red Variability of the Blazar OJ 287 during 2007--20212205.03618v1 · Alok C. Gupta, Pankaj Kushwaha, L. Carrasco et al.2022 · 19 citationsarXiv
Transient Quasi-Periodic Oscillations at -rays in the TeV Blazar PKS 1510-0892112.08955v1 · Abhradeep Roy, Arkadipta Sarkar, Anshu Chatterjee et al.2021 · 45 citationsarXiv
Multiwavelength variability power spectrum analysis of the blazars 3C 279 and PKS 1510-089 on multiple timescales2112.04194v2 · Arti Goyal, Marian Soida, Lukasz Stawarz et al.2021 · 27 citationsarXiv
A double-period oscillation signal in millimeter emission of the radio galaxy NGC 12752112.03544v1 · Pengfei Zhang, Zhongxiang Wang, Mark Gurwell et al.2021 · 8 citationsarXiv
X-ray Intraday Variability and Power Spectral Density Profiles of the Blazar 3C 273 with XMM-Newton during 2000-20212109.13118v2 · G. S. Pavana Gowtami, Haritma Gaur, Alok C. Gupta et al.2021 · 11 citationsarXiv
Multi-band Variability of the TeV Blazar PG 1553+113 with XMM-Newton2106.08514v2 · Vinit Dhiman, Alok C. Gupta, Haritma Gaur et al.2021 · 22 citationsarXiv
X-ray Intraday Variability of the TeV Blazar PKS 2155-304 with Suzaku During 2005-20142101.05977v1 · Zhongli Zhang, Alok C. Gupta, Haritma Gaur et al.2021 · 24 citationsarXiv
Quasi-Periodic Oscillations in the long term radio light curves of the blazar AO 0235+1642101.02497v1 · Ashutosh Tripathi, Alok C. Gupta, Margo F. Aller et al.2021 · 37 citationsMon. Not. Roy. Astron. Soc. 501, 5997-6006 (2021)
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