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Microlensing is a powerful tool for discovering cold exoplanets, and the The Roman Space Telescope microlensing survey will discover over 1000 such planets. Rapid, automated classification of Roman's microlensing events can be used to…

地球与行星天体物理 · 物理学 2021-03-03 Somayeh Khakpash , Joshua Pepper , Matthew Penny , B. Scott Gaudi , R. A. Street

Deep convolutional neural networks (DCNNs) have substantially advanced object detection capabilities, particularly in remote sensing imagery. However, challenges persist, especially in detecting small objects where the high resolution of…

计算机视觉与模式识别 · 计算机科学 2025-12-04 Jiahao Zhang , Xiao Zhao , Guangyu Gao

In the companion paper we began the task of systematically studying the detection of planets in wide orbits ($a > 1.5 R_E$) via microlensing surveys. In this paper we continue, focusing on repeating events. We find that, if all planetary…

天体物理学 · 物理学 2009-10-31 Rosanne Di Stefano , Richard A. Scalzo

Multi-messenger astronomy requires real-time systems capable of rapidly responding to external alerts and sharing significant detections with partner observatories. KM3NeT, a deep-sea Cherenkov neutrino telescope in the Mediterranean Sea,…

高能天体物理现象 · 物理学 2026-04-30 Martina Marconi

We present previously unpublished photometry of three Large Magellanic Cloud (LMC) microlensing events and show that the new photometry confirms the microlensing interpretation of these events. These events were discovered by the MACHO…

天体物理学 · 物理学 2009-11-10 David P. Bennett , Andrew C. Becker , Austin Tomaney

I demonstrate that one can detect pixel gravitational microlensing events at the rate $\sim 180\ {\rm events}\ {\rm yr}^{-1}$ and that some fraction of events ($\sim 15$) will be good enough to measure time scales at the $20\%$ level if the…

天体物理学 · 物理学 2009-10-28 Cheongho Han

We analyze photometric observations of stars, which experienced microlensing events at the considered time, in order to compare the efficiency of detecting exoplanets in observations performed at thirteen different telescopes and with…

地球与行星天体物理 · 物理学 2025-09-24 S. I. Ipatov

An automated search is carried out for microlensing events using a catalogue of 44554 variable superpixel lightcurves derived from our three-year monitoring program of M31. Each step of our candidate selection is objective and reproducible…

OGLE III and MOA II are discovering 600-1000 Galactic Bulge microlens events each year. This stretches the resources available for intensive follow-up monitoring of the lightcurves in search of anomalies caused by planets near the lens…

地球与行星天体物理 · 物理学 2015-05-13 Keith Horne , Colin Snodgrass , Yianni Tsapras

While microlensing is very rare, occurring on average once per million stars observed, current and near-future surveys are coming online with the capability of providing photometry of almost the entire visible sky to depths up to R ~ 22 mag…

天体物理仪器与方法 · 物理学 2020-04-30 D. Godines , E. Bachelet , G. Narayan , R. A. Street

Core-collapse supernovae mark the end of life of massive stars. However, despite their importance in astrophysics, their underlying mechanisms remain unclear. Neutrinos that emerge from the dense core of the star offer a promising way to…

高能天体物理现象 · 物理学 2026-01-14 KM3NeT Collaboration , O. Adriani , A. Albert , A. R. Alhebsi , S. Alshalloudi , M. Alshamsi , S. Alves Garre , F. Ameli , M. Andre , L. Aphecetche , M. Ardid , S. Ardid , J. Aublin , F. Badaracco , L. Bailly-Salins , B. Baret , A. Bariego-Quintana , Y. Becherini , M. Bendahman , F. Benfenati Gualandi , M. Benhassi , D. M. Benoit , Z. Beňušová , E. Berbee , E. Berti , V. Bertin , P. Betti , S. Biagi , M. Boettcher , D. Bonanno , M. Bondì , S. Bottai , A. B. Bouasla , J. Boumaaza , M. Bouta , M. Bouwhuis , C. Bozza , R. M. Bozza , H. Brânzaš , F. Bretaudeau , M. Breuhaus , R. Bruijn , J. Brunner , R. Bruno , E. Buis , R. Buompane , I. Burriel , J. Busto , B. Caiffi , D. Calvo , A. Capone , F. Carenini , V. Carretero , T. Cartraud , P. Castaldi , V. Cecchini , S. Celli , L. Cerisy , M. Chabab , A. Chen , S. Cherubini , T. Chiarusi , W. Chung , M. Circella , R. Clark , R. Cocimano , J. A. B. Coelho , A. Coleiro , A. Condorelli , R. Coniglione , P. Coyle , A. Creusot , G. Cuttone , R. Dallier , A. De Benedittis , G. De Wasseige , V. Decoene , P. Deguire , I. Del Rosso , L. S. Di Mauro , I. Di Palma , A. F. Díaz , D. Diego-Tortosa , C. Distefano , A. Domi , C. Donzaud , D. Dornic , E. Drakopoulou , D. Drouhin , J. -G. Ducoin , P. Duverne , R. Dvornický , T. Eberl , E. Eckerová , A. Eddymaoui , T. van Eeden , M. Eff , D. van Eijk , I. El Bojaddaini , S. El Hedri , S. El Mentawi , V. Ellajosyula , A. Enzenhöfer , M. Farino , G. Ferrara , M. D. Filipović , F. Filippini , D. Franciotti , L. A. Fusco , T. Gal , J. García Méndez , A. Garcia Soto , C. Gatius Oliver , N. Geißelbrecht , E. Genton , H. Ghaddari , L. Gialanella , B. K. Gibson , E. Giorgio , I. Goos , P. Goswami , S. R. Gozzini , R. Gracia , B. Guillon , C. Haack , C. Hanna , H. van Haren , E. Hazelton , A. Heijboer , L. Hennig , J. J. Hernández-Rey , A. Idrissi , W. Idrissi Ibnsalih , G. Illuminati , R. Jaimes , O. Janik , D. Joly , M. de Jong , P. de Jong , B. J. Jung , P. Kalaczyński , U. F. Katz , J. Keegans , V. Kikvadze , G. Kistauri , C. Kopper , A. Kouchner , Y. Y. Kovalev , L. Krupa , V. Kueviakoe , V. Kulikovskiy , R. Kvatadze , M. Labalme , R. Lahmann , M. Lamoureux , A. Langella , G. Larosa , C. Lastoria , J. Lazar , A. Lazo , G. Lehaut , V. Lemaître , E. Leonora , N. Lessing , G. Levi , M. Lindsey Clark , F. Longhitano , S. Madarapu , F. Magnani , L. Malerba , F. Mamedov , A. Manfreda , A. Manousakis , M. Marconi , A. Margiotta , A. Marinelli , C. Markou , L. Martin , M. Mastrodicasa , S. Mastroianni , J. Mauro , K. C. K. Mehta , G. Miele , P. Migliozzi , E. Migneco , M. L. Mitsou , C. M. Mollo , L. Morales-Gallegos , N. Mori , A. Moussa , I. Mozun Mateo , R. Muller , M. R. Musone , M. Musumeci , S. Navas , A. Nayerhoda , C. A. Nicolau , B. Nkosi , B. Ó Fearraigh , V. Oliviero , A. Orlando , E. Oukacha , L. Pacini , D. Paesani , J. Palacios González , G. Papalashvili , P. Papini , V. Parisi , A. Parmar , C. Pastore , A. M. Păun , G. E. Păvălaš , S. Peña Martínez , M. Perrin-Terrin , V. Pestel , M. Petropavlova , P. Piattelli , A. Plavin , C. Poirè , V. Popa , T. Pradier , J. Prado , S. Pulvirenti , C. A. Quiroz-Rangel , N. Randazzo , A. Ratnani , S. Razzaque , I. C. Rea , D. Real , G. Riccobene , J. Robinson , A. Romanov , E. Ros , A. Šaina , F. Salesa Greus , D. F. E. Samtleben , A. Sánchez Losa , S. Sanfilippo , M. Sanguineti , D. Santonocito , P. Sapienza , M. Scaringella , M. Scarnera , J. Schnabel , J. Schumann , J. Seneca , P. A. Sevle Myhr , I. Sgura , R. Shanidze , Chengyu Shao , A. Sharma , Y. Shitov , F. Šimkovic , A. Simonelli , A. Sinopoulou , B. Spisso , M. Spurio , O. Starodubtsev , D. Stavropoulos , I. Štekl , D. Stocco , M. Taiuti , Y. Tayalati , H. Thiersen , S. Thoudam , I. Tosta e Melo , B. Trocmé , V. Tsourapis , C. Tully , E. Tzamariudaki , A. Ukleja , A. Vacheret , V. Valsecchi , V. Van Elewyck , G. Vannoye , E. Vannuccini , G. Vasileiadis , F. Vazquez de Sola , A. Veutro , S. Viola , D. Vivolo , A. van Vliet , E. de Wolf , I. Lhenry-Yvon , S. Zavatarelli , D. Zito , J. D. Zornoza , J. Zúñiga

Microlensing has a unique advantage for detecting dark objects in the Milky Way, such as free-floating planets, neutron stars, and stellar-mass black holes. Most microlensing surveys focus on the Galactic bulge, where higher stellar density…

KM3NeT is a multi-purpose cubic-kilometer neutrino observatory under construction in the Mediterranean Sea. It consists of ORCA and ARCA (for Oscillation and Astroparticle Research with Cosmics in the Abyss, respectively), currently both…

Time domain astronomy has emerged as a vibrant research field in recent years, focusing on celestial objects that exhibit variable magnitudes or positions. Given the urgency of conducting follow-up observations for such objects, the…

天体物理仪器与方法 · 物理学 2023-10-12 Rui Sun , Peng Jia , Yongyang Sun , Zhimin Yang , Qiang Liu , Hongyan Wei

We present the analysis of the microlensing event KMT-2018-BLG-1743. The light curve of the event, with a peak magnification $A_{\rm peak}\sim 800$, exhibits two anomaly features, one around the peak and the other on the falling side of the…

During the months when the galactic bulge is visible from the southern hemisphere, there are typically about 8 to 10 on-going microlensing events at any given time. If the lensing stars have planets around them, then the signature of the…

天体物理学 · 物理学 2007-05-23 Kailash C. Sahu

Scores of on-going microlensing events are now announced yearly by the microlensing discovery teams OGLE, MACHO and EROS. These early warning systems have allowed other international microlensing networks to focus considerable resources on…

天体物理学 · 物理学 2007-05-23 Penny D. Sackett

The unprecedented volume and rate of transient events that will be discovered by the Large Synoptic Survey Telescope (LSST) demands that the astronomical community update its followup paradigm. Alert-brokers -- automated software system to…