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We report on the methodology and first results from the Deep Lens Survey transient search. We utilize image subtraction on survey data to yield all sources of optical variability down to 24th magnitude. Images are analyzed immediately after…

This theoretical work investigates different models to predict the redshift of Fast Radio Bursts (FRBs) from their observed dispersion measure (DM) and other reported properties. We performed an extensive revision of the FRBs with confirmed…

宇宙学与河外天体物理 · 物理学 2025-11-13 Luz Ángela García , Eduard Piratova-Moreno , Felipe González-Alarcón , Jhonier Rangel

Whilst there are a plethora of algorithms for detecting changes in mean in univariate time-series, almost all struggle in real applications where there is autocorrelated noise or where the mean fluctuates locally between the abrupt changes…

统计方法学 · 统计学 2021-10-18 Gaetano Romano , Guillem Rigaill , Vincent Runge , Paul Fearnhead

Two of the most pressing challenges in cosmology are the persistent discrepancy in measurements of the Hubble constant, referred to as the Hubble tension, and the deficit of baryons in the local Universe, known as the missing baryon…

宇宙学与河外天体物理 · 物理学 2026-04-01 Peng-Ju Wu , Bo-Yang Zhang , Ji-Guo Zhang , Guo-Hong Du , Shang-Jie Jin , Xin Zhang

We present the design and performance characterization results of the novel Fermilab Constant Fraction Discriminator ASIC (FCFD) developed to readout low gain avalanche detector (LGAD) signals by directly using a constant fraction…

The discovery of fast radio burst (FRB) 200428 from galactic SGR J1935+2154 makes it possible to measure rotational changes accompanied by FRBs and to test several FRB models which may be simultaneously associated with glitches. Inspired by…

高能天体物理现象 · 物理学 2021-08-11 Wei-Hua Wang , Heng Xu , Wei-Yang Wang , Shuang Du , Quan Cheng , Xiao-Ping Zheng , Ren-Xin Xu

Fast radio bursts are a new class of transient radio phenomena currently detected as millisecond radio pulses with very high dispersion measures. As new radio surveys begin searching for FRBs a large population is expected to be detected in…

The gravitational wave GW170817 from a binary neutron star merger and the simultaneous electromagnetic detection of the GRB170817A by Fermi Gamma-Ray Space Telescope, opened a new era in the multi-messenger astronomy. Furthermore, the GRBs…

高能天体物理现象 · 物理学 2024-07-16 Alessandro Drago , Simone Bini , Mariangela Cestelli Guidi , Augusto Marcelli , Valerio Bocci , Emanuele Pace

The Fermi Gamma Ray Burst Monitor (GBM) is an all sky gamma-ray monitor well known in the gamma-ray burst community. Although GBM excels in detecting the hard, bright extragalactic GRBs, its sensitivity above 8 keV and all-sky view make it…

高能天体物理现象 · 物理学 2016-08-17 P. A. Jenke , M. Linares , V. Connaughton , E. Beklen , A. Camero-Arranz , M. H. Finger , C. A. Wilson-Hodge

Fast radio bursts (FRBs) are enigmatic millisecond-duration radio transients whose physical origins remain debated. To shed light on this, we analyze the CHIME/FRB Catalog 2. By using the probability distribution of dispersion measured (DM)…

高能天体物理现象 · 物理学 2026-04-30 X. D. Jia , D. H. Gao , J. H. Chen , Q. Wu , S. X. Yi , F. Y. Wang

In order to further develop and implement novel drift scan imaging experiments to undertake wide field, high time resolution surveys for millisecond optical transients, an appropriate telescope drive system is required. This paper describes…

天体物理仪器与方法 · 物理学 2021-08-18 S. J. Tingay

Fast Radio Bursts (FRBs) are millisecond-duration radio transients of extragalactic origin, exhibiting a wide range of physical and observational properties. Distinguishing between repeating and non-repeating FRBs remains a key challenge in…

We present the Deeper Wider Faster (DWF) program that coordinates more than 30 multi-wavelength and multi-messenger facilities worldwide and in space to detect and study fast transients (millisecond-to-hours duration). DWF has four main…

天体物理仪器与方法 · 物理学 2019-09-04 Igor Andreoni , Jeff Cooke

The detection of six Fast Radio Bursts (FRBs) has recently been reported. FRBs are short duration ($\sim$ 1 ms), highly dispersed radio pulses from astronomical sources. The physical interpretation for the FRBs remains unclear but is…

高能天体物理现象 · 物理学 2015-06-19 Divya Palaniswamy , Randall B. Wayth , Cathryn M. Trott , Jamie N. McCallum , Steven J. Tingay , Cormac Reynolds

This paper describes a new approach for using changepoint detection (CPD) to estimate the starting and stopping times of a forced oscillation (FO) in measured power system data. As with a previous application of CPD to this problem, the…

信号处理 · 电气工程与系统科学 2026-02-10 Luke Dosiek , Akaash Karn , Frank Liu

Fast radio bursts (FRBs) are usually suggested to be associated with mergers of compact binaries consisting of white dwarfs (WDs), neutron stars (NSs), or black holes (BHs). We test these models by fitting the observational distributions in…

高能天体物理现象 · 物理学 2018-05-23 Xiao-Feng Cao , Yun-Wei Yu , Xia Zhou

An efficient algorithm is presented for the identification of short bursts of gravitational radiation in the data from broad-band interferometric detectors. The algorithm consists of three steps: pixels of the time-frequency representation…

广义相对论与量子宇宙学 · 物理学 2011-07-19 Julien Sylvestre

The detection of five new fast radio bursts (FRBs) found in the High Time Resolution Universe high latitude survey is presented. The rate implied is 6$^{+4}_{-3}\times~10^3$ (95%) FRBs sky$^{-1}$ day$^{-1}$ above a fluence of between 0.13…

The primary objective of non-intrusive load monitoring (NILM) techniques is to monitor and track power consumption within residential buildings. This is achieved by approximating the consumption of each individual appliance from the…

信号处理 · 电气工程与系统科学 2024-02-29 Sidi Mohammed Kaddour , Mohamed Lehsaini , Abdelhamid Bouchachia

Fast radio bursts (FRBs) are bright, mostly millisecond-duration transients of extragalactic origin whose emission mechanisms remain unknown. As FRB signals propagate through ionized media, they experience frequency-dependent delays…

高能天体物理现象 · 物理学 2026-01-21 Hosein Rajabi , Zhejian Liu , Fereshteh Rajabi , Martin Houde