English
Related papers

Related papers: fBLS -- a fast-folding BLS algorithm

200 papers

Transiting planets manifest themselves by a periodic dimming of their host star by a fixed amount. On the other hand, light curves of transiting circumbinary (CB) planets are expected to be neither periodic nor to have a single depth while…

Astrophysics · Physics 2013-08-13 Aviv Ofir

Context: Transit surveys, both ground- and space- based, have already accumulated a large number of light curves that span several years. Aims: The search for transiting planets in these long time series is computationally intensive. We…

Earth and Planetary Astrophysics · Physics 2015-06-16 Aviv Ofir

We present a new implementation of the commonly used Box-fitting Least Squares (BLS) algorithm, for the detection of transiting exoplanets in photometric data. Unlike BLS, our new implementation - Sparse BLS (SBLS), does not use binning of…

Instrumentation and Methods for Astrophysics · Physics 2022-09-14 Aviad Panahi , Shay Zucker

We present a new method to detect planetary transits from time-series photometry, the Transit Least Squares (TLS) algorithm. TLS searches for transit-like features while taking the stellar limb darkening and planetary ingress and egress…

Earth and Planetary Astrophysics · Physics 2019-03-06 Michael Hippke , René Heller

Aims. We search for transiting circumbinary (CB) planets around eclipsing binaries (EBs). Methods. CB-BLS is a recently-introduced algorithm for the detection of transiting CB planets around EBs.We describe progress in search sensitivity,…

Earth and Planetary Astrophysics · Physics 2015-05-13 A. Ofir , H. J. Deeg , C. H. S. Lacy

Transiting planets manifest themselves by a periodic dimming of their host star by a fixed amount. On the other hand, light curves of transiting circumbinary (CB) planets are expected to be neither periodic nor to have a single depth while…

Astrophysics · Physics 2013-08-13 A. Ofir

The Large Synoptic Survey Telescope (LSST) will photometrically monitor approximately 1 billion stars for ten years. The resulting light curves can be used to detect transiting exoplanets. In particular, as demonstrated by Lund et al.…

Earth and Planetary Astrophysics · Physics 2015-07-24 Savannah R. Jacklin , Michael B. Lund , Joshua Pepper , Keivan G. Stassun

Though free-floating planets (FFPs) may outpopulate their bound counterparts in the terrestrial-mass range, they remain one of the least explored exoplanet demographics. Due to their negligible electromagnetic emission at all wavelengths,…

Earth and Planetary Astrophysics · Physics 2025-10-14 Michelle Kunimoto , William DeRocco , Nolan Smyth , Steve Bryson , B. Scott Gaudi

A microlensing exoplanet search is a unique method for finding planets orbiting distant stars. However, in the past, the method used to analyze microlensing data could not deal with complex lens systems. The number of lenses was limited…

Instrumentation and Methods for Astrophysics · Physics 2025-08-13 Fumio Abe

The fast Fourier transform (FFT) based periodicity search methods provide an efficient way to search for millisecond and binary pulsars but encounter significant sensitivity degradation while searching for long period and short duty cycle…

High Energy Astrophysical Phenomena · Physics 2023-02-22 Shubham Singh , Jayanta Roy , Bhaswati Bhattacharyya , Ujjwal Panda , Benjamin W. Stappers , Maura A. McLaughlin

The Fast Folding Algorithm (FFA) is a phase-coherent search technique for periodic signals. It has rarely been used in radio pulsar searches, having been historically supplanted by the less computationally expensive Fast Fourier Transform…

Instrumentation and Methods for Astrophysics · Physics 2020-08-12 V. Morello , E. D. Barr , B. W. Stappers , E. F. Keane , A. G. Lyne

We apply, for the first time, the Transit Least Squares (TLS) algorithm to search for new transiting exoplanets. TLS is a successor to the Box Least Squares (BLS) algorithm, which has served as a standard tool for the detection of periodic…

Earth and Planetary Astrophysics · Physics 2019-05-23 René Heller , Kai Rodenbeck , Michael Hippke

We present DEtection in phase-folded Light curves with cOntrastive Scoring (DELOS), a contrastive-learning-based framework designed to search for shallow transits in Kepler photometry. DELOS combines GPU-accelerated phase folding, optimized…

Earth and Planetary Astrophysics · Physics 2026-05-29 Qingtian Liu , Jian Ge , XingChen Yan , Kevin Willis , Xinyu Yao , QuanQuan Hu , Jiapeng Zhu

We present a fast and efficient hybrid algorithm for selecting exoplanetary candidates from wide-field transit surveys. Our method is based on the widely-used SysRem and Box Least-Squares (BLS) algorithms. Patterns of systematic error that…

Here we present an in-depth study of the behaviour of the Fast Folding Algorithm, an alternative pulsar searching technique to the Fast Fourier Transform. Weaknesses in the Fast Fourier Transform, including a susceptibility to red noise,…

Instrumentation and Methods for Astrophysics · Physics 2017-04-19 A. D. Cameron , E. D. Barr , D. J. Champion , M. Kramer , W. W. Zhu

The WFIRST microlensing mission will measure precise light curves and relative parallaxes for millions of stars, giving it the potential to characterize short-period transiting planets all along the line of sight and into the galactic…

Earth and Planetary Astrophysics · Physics 2017-03-08 Benjamin T. Montet , Jennifer C. Yee , Matthew T. Penny

Never before has the detection and characterization of exoplanets via transit photometry been as promising and feasible as it is now, due to the increasing breadth and sensitivity of time domain optical surveys. Past works have made use of…

Earth and Planetary Astrophysics · Physics 2023-12-14 Anna Zuckerman , James Davenport , Steve Croft , Andrew Siemion , Imke de Pater

This paper presents GPFC, a novel Graphics Processing Unit (GPU) Phase Folding and Convolutional Neural Network (CNN) system to detect exoplanets using the transit method. We devise a fast folding algorithm parallelized on a GPU to amplify…

Earth and Planetary Astrophysics · Physics 2024-02-22 Kaitlyn Wang , Jian Ge , Kevin Willis , Kevin Wang , Yinan Zhao

As most of the companions in the double neutron star systems should be normal pulsars, the Fast Folding Algorithm (FFA), which is suitable for finding these long spin period pulsars, was used to search their possible radio signals. A time…

The Wide Field Camera Transit Survey is a pioneer program aimed to search for extra-solar planets in the near-infrared. The standard data reduction pipeline of the program uses aperture photometry to construct the light curves. We…

‹ Prev 1 2 3 10 Next ›