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In the upcoming decades, one of the primary objectives in exoplanet science is to search for habitable planets and signs of extraterrestrial life in the universe. Signs of life can be indicated by thermal-dynamical imbalance in terrestrial…

Earth and Planetary Astrophysics · Physics 2023-12-29 Huihao Zhang , Ji Wang , Michael K. Plummer

A significant challenge in the study of transient astrophysical phenomena is the identification of bogus events, among which human-made satellites and debris in Earth orbit remain major contaminants. Existing pipelines effectively identify…

Instrumentation and Methods for Astrophysics · Physics 2025-05-14 J. P. Carvajal , F. E. Bauer , I. Reyes-Jainaga , F. Förster , A. M. Muñoz Arancibia , M. Catelan , P. Sánchez-Sáez , C. Ricci , A. Bayo

The unique capabilities of Swift that make it ideal for discovery and follow-up of Gamma-Ray bursts also makes it the idea mission for discovery and monitoring of X-ray Transients in the Milky Way and the Large and Small Magellanic Clouds.…

High Energy Astrophysical Phenomena · Physics 2015-03-27 Jamie A. Kennea

The vast majority of extrasolar planets are detected by indirect detection methods such as transit monitoring and radial velocity measurements. While these methods are very successful in detecting short-periodic planets, they are mostly…

Solar and Stellar Astrophysics · Physics 2016-02-17 C. Ginski , M. Mugrauer , M. Seeliger , S. Buder , R. Errmann , H. Avenhaus , D. Mouillet , A. -L. Maire , S. Raetz

The Kilodegree Extremely Little Telescope (KELT) survey is a ground-based program designed to search for transiting exoplanets orbiting relatively bright stars. To achieve this, the KELT Science Team operates two planets facilities -…

Earth and Planetary Astrophysics · Physics 2016-05-10 Jack Soutter , Jonti Horner , Joshua Pepper

Building on the experience of the high-resolution community with the suite of VLT high-resolution spectrographs, which has been tremendously successful, we outline here the (science) case for a high-fidelity, high-resolution spectrograph…

Astronomical transients are stellar objects that become temporarily brighter on various timescales and have led to some of the most significant discoveries in cosmology and astronomy. Some of these transients are the explosive deaths of…

Machine Learning · Computer Science 2021-12-20 Daniel Muthukrishna , Kaisey S. Mandel , Michelle Lochner , Sara Webb , Gautham Narayan

We present a likelihood profile stacking technique based on the {\it Fermi}-Large Area Telescope (LAT) data to explore the $\gamma$-ray characteristics of {\it Fermi}-LAT undetected astrophysical populations. The pipeline is applied to a…

High Energy Astrophysical Phenomena · Physics 2019-09-10 Vaidehi S. Paliya , Alberto Dominguez , Marco Ajello , Anna Franckowiak , Dieter Hartmann

The coincidental detection of the gravitational wave event GW 170817 and the associated gamma-ray burst GRB 170817A marked the advent of multi-messenger astronomy and represented a milestone in the study of GRBs. In this context, the launch…

High Energy Astrophysical Phenomena · Physics 2020-12-23 B. Arcier , JL. Atteia , O. Godet , S. Mate , S. Guillot , N. Dagoneau , J. Rodriguez , D. Gotz , S. Schanne , M. G. Bernardini

Studying atmospheric escape from exoplanets can provide important clues about the formation and evolution of exoplanets. Observational evidence of atmospheric escape has been obtained through transit spectroscopy in strong spectral lines of…

Earth and Planetary Astrophysics · Physics 2025-06-11 Dion Linssen , Antonija Oklopčić , Morgan MacLeod

We present the discovery of a peculiar X-ray transient, EP241021a, by the Einstein Probe (EP) mission, and the results from multiwavelength follow-up observations. The transient was first detected with the Wide-field X-ray Telescope as an…

This study explores the application of autoencoder-based machine learning techniques for anomaly detection to identify exoplanet atmospheres with unconventional chemical signatures using a low-dimensional data representation. We use the…

Earth and Planetary Astrophysics · Physics 2026-01-06 Alexander Roman , Emilie Panek , Roy T. Forestano , Eyup B. Unlu , Katia Matcheva , Konstantin T. Matchev

We provide the first results from the complete SNAD adaptive learning pipeline in the context of a broad scope of data from large-scale astronomical surveys. The main goal of this work is to explore the potential of adaptive learning…

The detection of transits is an efficient technique to uncover faint companions around stars. The full characterisation of the companions (M-type stars, brown dwarfs or exoplanets) requires high-resolution spectroscopy to measure properly…

Astrophysics · Physics 2008-12-18 J. Gallardo , D. Minniti , D. Valls-Gabaud , M. Rejkuba

The deployment of extremely large-scale antenna array (ELAA) in sixth-generation (6G) communication systems introduces unique challenges for efficient near-field channel estimation. To tackle these issues, this paper presents a…

Signal Processing · Electrical Eng. & Systems 2026-03-26 Zhiming Zhu , Shu Xu , Chunguo Li , Yongming Huang , Luxi Yang

We present a work-flow which aims at capturing residents' abnormal activities through the passenger flow of elevator in multi-storey residence buildings. Camera and sensors (hall sensor, photoelectric sensor, gyro, accelerometer, barometer,…

Computer Vision and Pattern Recognition · Computer Science 2020-06-30 Chunhua Jia , Wenhai Yi , Yu Wu , Hui Huang , Lei Zhang , Leilei Wu

We present a new method to assess the properties of transiting planet candidates by multicolor photometry. By analyzing multicolor transit/eclipse light curves and apparent magnitudes of the target in parallel, this method attempts to…

Earth and Planetary Astrophysics · Physics 2021-06-01 Kohei Miyakawa , Teruyuki Hirano , Bun'ei Sato , Akihiko Fukui , Norio Narita

We have performed targeted searches of known extragalactic transient events at millimetre wavelengths using nine seasons (2013--2021) of 98, 150, and 229\,GHz Atacama Cosmology Telescope (ACT) observations that mapped ${\sim}40$ per cent of…