English
Related papers

Related papers: TSARDI: a Machine Learning data rejection algorith…

200 papers

We present the Signal Detection using Random-Forest Algorithm (SIDRA). SIDRA is a detection and classification algorithm based on the Machine Learning technique (Random Forest). The goal of this paper is to show the power of SIDRA for quick…

Earth and Planetary Astrophysics · Physics 2015-11-12 D. Mislis , E. Bachelet , K. A. Alsubai , D. M. Bramich , N. Parley

Clustering analysis is one of the critical tasks in machine learning. Traditionally, clustering has been an independent task, separate from outlier detection. Due to the fact that the performance of clustering can be significantly eroded by…

Machine Learning · Computer Science 2022-08-12 Jiahao Deng , Eli T. Brown

We study the statistical characteristics of a box-fitting algorithm to analyze stellar photometric time series in the search for periodic transits by extrasolar planets. The algorithm searches for signals characterized by a periodic…

Astrophysics · Physics 2016-08-30 G. Kovács , S. Zucker , T. Mazeh

One of the biggest challenges facing large transit surveys is the elimination of false-positives from the vast number of transit candidates. We investigate to what extent information from the lightcurves can identify blend scenarios and…

Earth and Planetary Astrophysics · Physics 2015-06-05 S. V. Nefs , I. A. G. Snellen , E. J. W. de Mooij

The Transiting Exoplanet Survey Satellite (TESS) mission measured light from stars in ~85% of the sky throughout its two-year primary mission, resulting in millions of TESS 30-minute cadence light curves to analyze in the search for…

Transit photometry is perhaps the most successful method for detecting exoplanets to date. However, a substantial amount of signal processing is needed since the dip in the signal detected, an indication that there is a planet in transit,…

Earth and Planetary Astrophysics · Physics 2021-07-01 Ma. Janelle Manuel , Nathaniel Hermosa

We present the Cambridge Exoplanet Transit Recovery Algorithm (CETRA), a fast and sensitive transit detection algorithm, optimised for GPUs. CETRA separates the task into a search for transit signals across linear time space, followed by a…

Context. Transit detection algorithms are mathematical tools used for detecting planets in the photometric data of transit surveys. In this work we study their application to space-based surveys. Aims: Space missions are exploring the…

Earth and Planetary Astrophysics · Physics 2012-12-06 J. Cabrera , Sz. Csizmadia , A. Erikson , H. Rauer , S. Kirste

We present Pandora, a new software to model, detect, and characterize transits of extrasolar planets with moons in stellar photometric time series. Pandora uses an analytical description of the transit light curve for both the planet and…

Earth and Planetary Astrophysics · Physics 2022-05-20 Michael Hippke , René Heller

(Abridged) Space missions to search for exo-planets via the transit method, such as COROT, Eddington and Kepler, will need to address problems associated with the automated and efficient detection of planetary transits in light curves…

Astrophysics · Physics 2009-11-10 S. Aigrain , M. Irwin

We develop a method for planet detection in transit data, which is based on the Matched Filter technique, combined with the Gaussianization of the noise outliers. The method is based on Fourier transforms and is as fast as the existing…

Earth and Planetary Astrophysics · Physics 2021-05-12 Jakob Robnik , Uroš Seljak

Time-Delay Interferometry (TDI) is the data processing technique that cancels the large laser phase fluctuations affecting the one-way Doppler measurements made by unequal-arm space-based gravitational wave interferometers. In a previous…

General Relativity and Quantum Cosmology · Physics 2023-07-18 Massimo Tinto , Sanjeev Dhurandhar

We present the design of a novel instrument tuned to detect transiting exoplanet atmospheres. The instrument, which we call the exoplanet transmission spectroscopy imager (ETSI), makes use of a new technique called common-path multi-band…

Instrumentation and Methods for Astrophysics · Physics 2020-12-03 Mary Anne Limbach , Luke M. Schmidt , D. L. DePoy , Jeffrey C. Mason , Mike Scobey , Pat Brown , Chelsea Taylor , Jennifer L. Marshall

Sensitive signal processing methods are needed to detect transiting planets from ground-based photometric surveys. Caceres et al. (2019) show that the AutoRegressive Planet Search (ARPS) method --- a combination of autoregressive integrated…

Earth and Planetary Astrophysics · Physics 2019-07-24 Andrew M. Stuhr , Eric D. Feigelson , Gabriel A. Caceres , Joel D. Hartman

We have been carrying out a program for over five years to observe transits of selected exoplanets with 1-meter Turkish Telescope, T100 (Ba\c{s}t\"urk et al. 2014, 2015), by making use of the well-established defocusing technique…

Earth and Planetary Astrophysics · Physics 2019-11-20 Ozgur Basturk , Selcuk Yalcinkaya , Burak Keten

Reliable curb detection is critical for safe autonomous driving in urban contexts. Curb detection and tracking are also useful in vehicle localization and path planning. Past work utilized a 3D LiDAR sensor to determine accurate distance…

Computer Vision and Pattern Recognition · Computer Science 2020-10-14 Iljoo Baek , Tzu-Chieh Tai , Manoj Bhat , Karun Ellango , Tarang Shah , Kamal Fuseini , Ragunathan , Rajkumar

We present a fast, efficient and easy to apply computational method for the detection of planetary transits in large photometric datasets. The code has been specifically produced to analyse an ensemble of 21,950 stars in the globular…

Astrophysics · Physics 2009-11-10 David T. F Weldrake , Penny D Sackett

We derive solutions to transit light curves of exoplanets orbiting rapidly-rotating stars. These stars exhibit significant oblateness and gravity darkening, a phenomenon where the poles of the star have a higher temperature and luminosity…

Earth and Planetary Astrophysics · Physics 2022-02-16 Shashank Dholakia , Rodrigo Luger , Shishir Dholakia

NASA's Transiting Exoplanet Survey Satellite (TESS) presents us with an unprecedented volume of space-based photometric observations that must be analyzed in an efficient and unbiased manner. With at least $\sim1,000,000$ new light curves…

Precise physical properties of the known transiting exoplanets are essential for their precise atmospheric characterization using modern and upcoming instruments. Leveraging the large volume of high SNR photometric follow-up data from TESS,…

Earth and Planetary Astrophysics · Physics 2025-11-25 Suman Saha