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The TESS mission will survey ~85 % of the sky, giving us the opportunity of extracting high-precision light curves of millions of stars, including stellar cluster members. In this work, we present our project "A PSF-based Approach to TESS…

We present a novel method for identifying transients suitable for both strong signal-dominated and background-dominated objects. By employing the unsupervised machine learning algorithm known as Expectation Maximization, we achieve…

Instrumentation and Methods for Astrophysics · Physics 2024-07-25 Martina Karl , Philipp Eller

We present a study of the detectability of transient events associated with galaxies for the Gaia European Space Agency astrometric mission. We simulated the on-board detections, and on-ground processing for a mock galaxy catalogue to…

Instrumentation and Methods for Astrophysics · Physics 2019-03-12 Nadejda Blagorodnova , Sjoert Van Velzen , Diana L. Harrison , Sergey Koposov , Seppo Mattila , Heather Campbell , Nicholas A. Walton , Lukasz Wyrzykowski

The proposed Transiting Exoplanet Survey Satellite (TESS) will survey the entire sky to locate the nearest and brightest transiting extrasolar planets with orbital periods up to about 36 days. Here we estimate the number and kind of…

Astrophysics · Physics 2008-12-09 Timothy M. Brown , David W. Latham

To prepare for the analyses of the future PLATO light curves, we develop a deep learning model, Panopticon, to detect transits in high precision photometric light curves. Since PLATO's main objective is the detection of temperate Earth-size…

Earth and Planetary Astrophysics · Physics 2025-02-26 H. G. Vivien , M. Deleuil , N. Jannsen , J. De Ridder , D. Seynaeve , M. -A. Carpine , Y. Zerah

We present the validation of a transiting low-density exoplanet orbiting the M2.5 dwarf TOI 620 discovered by the NASA TESS mission. We utilize photometric data from both TESS and ground-based follow-up observations to validate the…

Earth and Planetary Astrophysics · Physics 2022-05-18 Michael A. Reefe , Rafael Luque , Eric Gaidos , Corey Beard , Peter P. Plavchan , Marion Cointepas , Bryson L. Cale , Enric Palle , Hannu Parviainen , Dax L. Feliz , Jason Eastman , Keivan Stassun , Jonathan Gagné , Jon M. Jenkins , Patricia T. Boyd , Richard C. Kidwell , Scott McDermott , Karen A. Collins , William Fong , Natalia Guerrero , Jose-Manuel Almenara-Villa , Jacob Bean , Charles A. Beichman , John Berberian , Allyson Bieryla , Xavier Bonfils , François Bouchy , Madison Brady , Edward M. Bryant , Luca Cacciapuoti , Caleb I. Cañas , David R. Ciardi , Kevin I. Collins , Ian Crossfield , Courtney D. Dressing , Philipp Eigmueller , Mohammed El Mufti , Emma Esparza-Borges , Akihiko Fukui , Peter Gao , Claire Geneser , Crystal L. Gnilka , Erica Gonzales , Arvind F. Gupta , Sam Halverson , Fred Hearty , Steve B. Howell , Jonathan Irwin , Shubham Kanodia , David Kasper , Takanori Kodama , Veselin Kostov , David W. Latham , Monika Lendl , Andrea Lin , John H. Livingston , Jack Lubin , Suvrath Mahadevan , Rachel Matson , Elisabeth Matthews , Felipe Murgas , Norio Narita , Patrick Newman , Joe Ninan , Ares Osborn , Samuel N. Quinn , Paul Robertson , Arpita Roy , Joshua Schlieder , Christian Schwab , Andreas Seifahrt , Gareth D. Smith , Ahmad Sohani , Guðmundur Stefánsson , Daniel Stevens , Julian Stürmer , Angelle Tanner , Ryan Terrien , Johanna Teske , David Vermilion , Sharon X. Wang , Justin Wittrock , Jason T. Wright , Mathias Zechmeister , Farzaneh Zohrabi

The XENON experiment aims at the direct detection of dark matter in the form of WIMPs (Weakly Interacting Massive Particles) via their elastic scattering off Xe nuclei. A fiducial mass of 1000 kg, distributed in ten independent liquid xenon…

Known for their efficiency in analyzing large data sets, machine learning classifiers are widely used in wide-field sky surveys. The upcoming Vera C. Rubin Observatory Legacy of Time and Space Survey (LSST) will generate millions of alerts…

Instrumentation and Methods for Astrophysics · Physics 2023-12-11 Xinyue Sheng , Matt Nicholl , Ken W. Smith , David R. Young , Roy D. Williams , Heloise F. Stevance , Stephen J. Smartt , Shubham Srivastav , Thomas Moore

Advances in lightweight neural networks have revolutionized computer vision in a broad range of IoT applications, encompassing remote monitoring and process automation. However, the detection of small objects, which is crucial for many of…

Computer Vision and Pattern Recognition · Computer Science 2023-11-14 Liam Boyle , Nicolas Baumann , Seonyeong Heo , Michele Magno

The discovery of exoplanets at scale has become one of the defining data science challenges in modern astrophysics. NASA's Transiting Exoplanet Survey Satellite (TESS) had catalogued over 7,800 planet candidates by early 2026, yet…

Earth and Planetary Astrophysics · Physics 2026-04-23 Md. Rashadul Islam

There have been 77 TNOs discovered to be librating in the distant transneptunian resonances (beyond the 2:1 resonance, at semimajor axes greater than 47.7~AU) in four well-characterized surveys: the Outer Solar System Origins Survey (OSSOS)…

Earth and Planetary Astrophysics · Physics 2022-04-21 B. L. Crompvoets , S. M. Lawler , K. Volk , Y. -T. Chen , B. Gladman , L. Peltier , M. Alexandersen , M. T. Bannister , S. Gwyn , J. J. Kavelaars , J. -M. Petit

Interstellar objects (ISOs) are likely representatives of primitive materials invaluable in understanding exoplanetary star systems. Due to their poorly constrained orbits with generally high inclinations and relative velocities, however,…

We present a visible multi-band photometry of trans-Neptunian objects (TNOs) observed by the Subaru Telescope in the framework of Hyper Suprime-Cam Subaru Strategic Program (HSC-SSP) from March in 2014 to September in 2016. We measured the…

We assess the dynamical feasibility of redirecting small volatile-bearing trans-Neptunian objects (TNOs) onto Mars-impacting orbits using continuous low-thrust propulsion and a single gravity-assist encounter. The study considers two…

Earth and Planetary Astrophysics · Physics 2026-05-22 Ryszard Gabryszewski , Leszek Czechowski , Arkadiusz Hess

With large numbers of transients discovered by current and future imaging surveys, machine learning is increasingly applied to light curve and host galaxy properties to select events for follow-up. However, finding rare types of transients…

Instrumentation and Methods for Astrophysics · Physics 2025-12-17 Xinyue Sheng , Tuan Dung Pham , Zichi Zhang , Matt Nicholl , Thai Son Mai

The ESA Euclid mission will survey more than 14,000 deg$^2$ of the sky in visible and near-infrared wavelengths, mapping the extra-galactic sky to constrain our cosmological model of the Universe. Although the survey focusses on regions…

Instrumentation and Methods for Astrophysics · Physics 2025-01-10 A. A. Nucita , L. Conversi , A. Verdier , A. Franco , S. Sacquegna , M. Pöntinen , B. Altieri , B. Carry , F. De Paolis , F. Strafella , V. Orofino , M. Maiorano , V. Kansal , R. D. Vavrek , M. Miluzio , M. Granvik , V. Testa , N. Aghanim , S. Andreon , N. Auricchio , M. Baldi , S. Bardelli , E. Branchini , M. Brescia , J. Brinchmann , S. Camera , V. Capobianco , C. Carbone , J. Carretero , S. Casas , M. Castellano , G. Castignani , S. Cavuoti , A. Cimatti , G. Congedo , C. J. Conselice , Y. Copin , F. Courbin , H. M. Courtois , A. Da Silva , H. Degaudenzi , A. M. Di Giorgio , J. Dinis , F. Dubath , X. Dupac , S. Dusini , M. Farina , S. Farrens , S. Ferriol , M. Frailis , E. Franceschi , M. Fumana , S. Galeotta , B. Gillis , C. Giocoli , P. Gómez-Alvarez , A. Grazian , F. Grupp , S. V. H. Haugan , J. Hoar , W. Holmes , F. Hormuth , A. Hornstrup , P. Hudelot , K. Jahnke , M. Jhabvala , E. Keihänen , S. Kermiche , A. Kiessling , M. Kilbinger , R. Kohley , B. Kubik , M. Kümmel , H. Kurki-Suonio , R. Laureijs , S. Ligori , P. B. Lilje , V. Lindholm , I. Lloro , E. Maiorano , O. Mansutti , O. Marggraf , K. Markovic , N. Martinet , F. Marulli , R. Massey , D. C. Masters , E. Medinaceli , S. Mei , Y. Mellier , M. Meneghetti , G. Meylan , M. Moresco , L. Moscardini , R. Nakajima , S. -M. Niemi , C. Padilla , S. Paltani , F. Pasian , K. Pedersen , V. Pettorino , S. Pires , G. Polenta , M. Poncet , L. A. Popa , L. Pozzetti , F. Raison , R. Rebolo , A. Renzi , J. Rhodes , G. Riccio , E. Romelli , M. Roncarelli , E. Rossetti , R. Saglia , D. Sapone , B. Sartoris , M. Schirmer , P. Schneider , A. Secroun , G. Seidel , S. Serrano , C. Sirignano , G. Sirri , J. Skottfelt , L. Stanco , J. Steinwagner , P. Tallada-Crespí , A. N. Taylor , I. Tereno , R. Toledo-Moreo , F. Torradeflot , I. Tutusaus , L. Valenziano , T. Vassallo , G. Verdoes Kleijn , A. Veropalumbo , Y. Wang , J. Weller , A. Zacchei , E. Zucca , M. Bolzonella , C. Burigana , V. Scottez

The most distant known trans-Neptunian objects (perihelion distance above 38 au and semimajor axis above 150 au) are of interest for their potential to reveal past, external, or present but unseen perturbers. Realizing this potential…

Earth and Planetary Astrophysics · Physics 2022-10-12 Kathryn Volk , Renu Malhotra

Near-infrared (near-IR) spectroscopy provides critical constraints on the surface composition of trans-Neptunian objects (TNOs), but spectroscopic observations remain limited compared to broadband photometry. We develop a probabilistic…

Earth and Planetary Astrophysics · Physics 2026-05-22 Hsing Wen Lin , Larissa Markwardt , Kevin J. Napier , Fred C. Adams , Renu Malhotra , David W. Gerdes

We present a novel pipeline that uses a convolutional neural network (CNN) to improve the detection capability of near-Earth asteroids (NEAs) in the context of planetary defense. Our work aims to minimize the dependency on human…

We report on the follow-up and recovery of 100 program NEAs, PHAs and VIs using the ESO/MPG 2.2m, Swope 1m and INT 2.5m telescopes equipped with large field cameras. The 127 fields observed during 11 nights covered 29 square degrees. Using…

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