| A~ 4.6 h quasi-periodic oscillation in the BL Lacertae PKS 2155-304? P Lachowicz, AC Gupta, H Gaur, PJ Wiita Astronomy & Astrophysics 506 (2), L17-L20, 2009 | 100 | 2009 |
| Optical flux and spectral variability of blazars H Gaur, AC Gupta, A Strigachev, R Bachev, E Semkov, PJ Wiita, ... Monthly Notices of the Royal Astronomical Society 425 (4), 3002-3023, 2012 | 88 | 2012 |
| Multiwavelength variability of the blazars MRK 421 and 3C 454.3 in the high state H Gaur, AC Gupta, PJ Wiita The Astronomical Journal 143 (1), 23, 2011 | 78 | 2011 |
| Detection of Intra-day Variability Timescales of Four High-energy Peaked Blazars with XMM-Newton H Gaur, AC Gupta, P Lachowicz, PJ Wiita The Astrophysical Journal 718 (1), 279, 2010 | 71 | 2010 |
| Multiwavelength intraday variability of the BL Lacertae S5 0716+ 714 AC Gupta, TP Krichbaum, PJ Wiita, B Rani, KV Sokolovsky, P Mohan, ... Monthly Notices of the Royal Astronomical Society 425 (2), 1357-1370, 2012 | 70 | 2012 |
| Quasi-simultaneous two-band optical variability of the blazars 1ES 1959+ 650 and 1ES 2344+ 514 H Gaur, AC Gupta, A Strigachev, R Bachev, E Semkov, PJ Wiita, ... Monthly Notices of the Royal Astronomical Society 420 (4), 3147-3162, 2012 | 64 | 2012 |
| Multiband optical variability of three TeV blazars on diverse time-scales AC Gupta, A Agarwal, J Bhagwan, A Strigachev, R Bachev, E Semkov, ... Monthly Notices of the Royal Astronomical Society 458 (1), 1127-1137, 2016 | 57 | 2016 |
| Multiband optical variability of the blazar OJ 287 during its outbursts in 2015–2016 AC Gupta, A Agarwal, A Mishra, H Gaur, PJ Wiita, MF Gu, OM Kurtanidze, ... Monthly Notices of the Royal Astronomical Society 465 (4), 4423-4433, 2017 | 55 | 2017 |
| Multiwavelength temporal and spectral variability of the blazar OJ 287 during and after the 2015 December flare: a major accretion disc contribution P Kushwaha, AC Gupta, PJ Wiita, H Gaur, EM de Gouveia Dal Pino, ... Monthly Notices of the Royal Astronomical Society 473 (1), 1145-1156, 2018 | 52 | 2018 |
| Nature of intranight optical variability of BL Lacertae H Gaur, AC Gupta, R Bachev, A Strigachev, E Semkov, M Böttcher, ... Monthly Notices of the Royal Astronomical Society 452 (4), 4263-4273, 2015 | 50 | 2015 |
| Characterizing Optical Variability of OJ 287 in 2016–2017 AC Gupta, H Gaur, PJ Wiita, A Pandey, P Kushwaha, SM Hu, ... The Astronomical Journal 157 (3), 95, 2019 | 45 | 2019 |
| Anti-correlated optical flux and polarization variability in BL Lac H Gaur, AC Gupta, PJ Wiita, M Uemura, R Itoh, M Sasada The Astrophysical Journal Letters 781 (1), L4, 2013 | 41 | 2013 |
| A peculiar multiwavelength flare in the blazar 3C 454.3 AC Gupta, A Mangalam, PJ Wiita, P Kushwaha, H Gaur, H Zhang, MF Gu, ... Monthly Notices of the Royal Astronomical Society 472 (1), 788-798, 2017 | 40 | 2017 |
| Multiband optical–NIR variability of blazars on diverse time-scales A Agarwal, AC Gupta, R Bachev, A Strigachev, E Semkov, PJ Wiita, ... Monthly Notices of the Royal Astronomical Society 451 (4), 3882-3897, 2015 | 39 | 2015 |
| The ever-surprising blazar OJ 287: multiwavelength study and appearance of a new component in X-rays P Kushwaha, AC Gupta, PJ Wiita, M Pal, H Gaur, EM de Gouveia Dal Pino, ... Monthly Notices of the Royal Astronomical Society 479 (2), 1672-1684, 2018 | 36 | 2018 |
| The nature of the intra-night optical variability in blazars R Bachev, E Semkov, A Strigachev, AC Gupta, H Gaur, B Mihov, S Boeva, ... Monthly Notices of the Royal Astronomical Society 424 (4), 2625-2634, 2012 | 32 | 2012 |
| Optical and radio variability of BL Lacertae H Gaur, AC Gupta, R Bachev, A Strigachev, E Semkov, PJ Wiita, ... Astronomy & Astrophysics 582, A103, 2015 | 30 | 2015 |
| Peak of spectral energy distribution plays an important role in intra-day variability of blazars? AC Gupta, N Kalita, H Gaur, K Duorah Monthly Notices of the Royal Astronomical Society 462 (2), 1508-1516, 2016 | 29 | 2016 |
| Long-term variability and correlation study of the blazar 3C 454.3 in the radio, NIR, and optical wavebands A Sarkar, VR Chitnis, AC Gupta, H Gaur, SR Patel, PJ Wiita, AE Volvach, ... The Astrophysical Journal 887 (2), 185, 2019 | 28 | 2019 |
| Optical variability of TeV blazars on long time-scales H Gaur, AC Gupta, R Bachev, A Strigachev, E Semkov, PJ Wiita, ... Monthly Notices of the Royal Astronomical Society 484 (4), 5633-5644, 2019 | 28 | 2019 |
