Search Results - "Alok Gupta"
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Multiband optical variability studies of BL Lacertae
Published in Monthly notices of the Royal Astronomical Society (11-06-2015)“…We monitored BL Lacertae for 13 nights in optical B, V, R, and I bands during 2014 October and November including quasi-simultaneous observations in V and R…”
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2
Effects of Naltrexone Sustained-Release/Bupropion Sustained-Release Combination Therapy on Body Weight and Glycemic Parameters in Overweight and Obese Patients With Type 2 Diabetes
Published in Diabetes care (01-12-2013)“…To assess the efficacy and safety of 32 mg naltrexone sustained-release (SR)/360 mg bupropion SR (NB) in overweight/obese individuals with type 2 diabetes with…”
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3
X-Ray Intraday Variability of Five TeV Blazars with NuSTAR
Published in The Astrophysical journal (01-06-2017)“…We have examined 40 Nuclear Spectroscopic Telescope Array (NuSTAR) light curves (LCs) of five TeV emitting high synchrotron peaked blazars: 1ES 0229+200, Mrk…”
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Detection of Quasiperiodic Oscillations in the Blazar S4 0954+658 with TESS
Published in The Astrophysical journal (01-01-2023)“…We report the detection of several quasiperiodicities around 0.6–2.5 days in the optical emission of the blazar S4 0954+658. The source was observed by the…”
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5
Nitric oxide: role in tumour biology and iNOS/NO-based anticancer therapies
Published in Cancer chemotherapy and pharmacology (01-06-2011)“…Purpose The diatomic radical nitric oxide (NO) has been the cause of intense debate with implication in carcinogenesis, tumour progression, invasion,…”
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Detection of a quasi-periodic oscillation in γ-ray light curve of the high-redshift blazar B2 1520+31
Published in Monthly notices of the Royal Astronomical Society (21-04-2019)“…ABSTRACT We detected a possible quasi-periodic oscillation (QPO) of ∼71 d in the 0.1–300 GeV γ-ray Fermi-Large Area Telescope light curve of the high-redshift…”
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A possible γ-ray quasi-periodic oscillation of ∼314 days in the blazar OJ 287
Published in Monthly notices of the Royal Astronomical Society (01-11-2020)“…ABSTRACT We report the detection of a probable γ-ray quasi-periodic oscillation (QPO) of around 314 d in the monthly binned 0.1–300 GeV γ-ray Fermi-Large Area…”
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Transient quasi-periodic oscillations at γ-rays in the TeV blazar PKS 1510-089
Published in Monthly notices of the Royal Astronomical Society (01-03-2022)“…ABSTRACT We present periodicity search analyses on the γ-ray light curve of the TeV blazar PKS 1510-089 observed by the Fermi Large Area Telescope. We report…”
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9
Multiwaveband quasi-periodic oscillation in the blazar 3C 454.3
Published in Monthly notices of the Royal Astronomical Society (01-02-2021)“…ABSTRACT We report the detection (>4σ) of a quasi-periodic oscillation (QPO) in the gamma-ray light curve of 3C 454.3 along with a simultaneous marginal QPO…”
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10
Multi-Wavelength Intra-Day Variability and Quasi-Periodic Oscillation in Blazars
Published in Galaxies (25-12-2017)“…We reviewed multi-wavelength blazars variability and detection of quasi-periodic oscillations on intra-day timescales. The variability timescale from a few…”
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11
Multiband variability of the TeV blazar PG 1553+113 with XMM–Newton
Published in Monthly notices of the Royal Astronomical Society (01-09-2021)“…We present variability analyses of twenty pointed XMM–Newton observations of the high energy peaked TeV blazar PG 1553+113 taken during 2010–2018. We found…”
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12
Rapid Optical Flares in the Blazar OJ 287 on Intraday Timescales with TESS
Published in The Astrophysical journal (01-01-2024)“…We have analyzed the optical light curves of the blazar OJ 287 obtained with the Transiting Exoplanet Survey Satellite over about 80 days from 2021 October 13…”
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13
Reputation offsets trust judgments based on social biases among Airbnb users
Published in Proceedings of the National Academy of Sciences - PNAS (12-09-2017)“…To provide social exchange on a global level, sharing-economy companies leverage interpersonal trust between their members on a scale unimaginable even a few…”
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The Detection of Possible Transient Quasiperiodic Oscillations in the γ-Ray Light Curve of PKS 0244-470 and 4C+38.41
Published in The Astrophysical journal (01-06-2023)“…The continuous monitoring capability of Fermi-LAT has enabled the exploration of quasiperiodic oscillations (QPOs) in the γ -ray light curve of blazars that…”
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15
X-Ray Flux and Spectral Variability of Six TeV Blazars with NuSTAR
Published in The Astrophysical journal (20-05-2018)“…We report the first results of timing and spectral studies of Nuclear Spectroscopic Telescope Array observations of six TeV-emitting high-frequency peaked…”
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16
Peak of spectral energy distribution plays an important role in intra-day variability of blazars?
Published in Monthly notices of the Royal Astronomical Society (21-10-2016)“…Blazars can be divided into two sub-classes namely high energy and low energy peaked blazars. In spectral energy distribution, the first synchrotron hump of…”
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17
Quasi-periodic oscillations in the long-term radio light curves of the blazar AO 0235+164
Published in Monthly notices of the Royal Astronomical Society (01-03-2021)“…ABSTRACT We present time series analyses of three-decade long radio observations of the BL Lacertae object AO 0235+164 made at the University of Michigan Radio…”
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18
Optical Flux and Spectral Variability of the TeV Blazar PG 1553+113
Published in The Astrophysical journal (01-02-2019)“…We present the results of our optical (VRI) observations of the TeV blazar PG 1553+113 over eight nights in 2016 April. We monitored the blazar…”
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19
Imaging human macular pigments with visible light optical coherence tomography and superluminescent diodes
Published in Optics letters (15-09-2023)“…We demonstrate superluminescent diodes (SLDs) for visible light optical coherence tomography (OCT) of the human retina. SLDs are less costly than…”
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20
Blueberries improve endothelial function, but not blood pressure, in adults with metabolic syndrome: a randomized, double-blind, placebo-controlled clinical trial
Published in Nutrients (27-05-2015)“…Blueberry consumption has been shown to have various health benefits in humans. However, little is known about the effect of blueberry consumption on blood…”
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