Results 331 to 340 of about 5,320,922 (369)

Computer simulation of the growth of ice structures under astronomical conditions

, 2016
James A. Miller
openaire   +2 more sources

Computer simulations of interferometric imaging with the Very Large Telescope Interferometer and its Astronomical Multibeam Recombiner instrument [PDF]

Optical Engineering, 2001
Karl-Heinz Hofmann, Gerd Weigelt
exaly   +2 more sources

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Enhancing Astronomical Signal Detection in Cyclostratigraphy by Superimposed Averaging of Paleoclimate Proxies

Paleoceanography and Paleoclimatology
Detecting allogenic signals like Milankovitch cycles in terrestrial and shallow marine strata is challenging due to their interplay with autogenic dynamics.
Renda Huang, Mingsong Li, Ruoyuan Qiu, Youwei Wang, Rui Zhang, Zhijun Jin   +5 more
semanticscholar   +1 more source

AETC: a powerful web tool to simulate astronomical images

SPIE Proceedings, 2016
We present the capabilities of the Advanced Exposure Time Calculator (AETC), a tool, publicly available via web interface (http://aetc.oapd.inaf.it/), aimed to simulate astronomical images obtained with any (given) telescope and instrument combination. The tool includes the possibility of providing an accurate modelling of PSF variations in the FoV, a ...
USLENGHI, MICHELA, FALOMO, Renato, FANTINEL, Daniela   +2 more
openaire   +2 more sources

Transfer Learning for Transient Classification: From Simulations to Real Data and ZTF to LSST

Monthly Notices of the Royal Astronomical Society: Letters
Machine learning has become essential for automated classification of astronomical transients, but current approaches face significant limitations: classifiers trained on simulations struggle with real data, models developed for one survey cannot be ...
Rithwik Gupta, D. Muthukrishna
semanticscholar   +1 more source

Formation and evolution of a protoplanetary disk: Combining observations, simulations, and cosmochemical constraints

Astronomy & Astrophysics
The formation and evolution of protoplanetary disks remains elusive. We have numerous astronomical observations of young stellar objects of different ages with their envelopes and/or disks.
Alessandro Morbidelli, Yves Marrocchi, Adnan Ali Ahmad, A. Bhandare, S. Charnoz, B. Commerçon, C. Dullemond, Tristan Guillot, P. Hennebelle, Yueh-Ning Lee, Francesco Lovascio, R. Marschall, Bernard Marty, A. Maury, Okamoto Tamami   +14 more
semanticscholar   +1 more source

Changes in the Unchangeable: Simulation of Transient Astronomical Phenomena with Stellarium

Proceedings of the International Astronomical Union, 2018
AbstractThe open-source desktop planetarium Stellarium has become very popular in astronomical education and outreach. Our recent changes aim for its applicability in historical and archaeoastronomical simulation contexts. Apart from visualizing the seemingly perpetual regular motions of the celestial bodies, it can be used to visualize and demonstrate
Georg Zotti, Alexander Wolf
openaire   +1 more source

Knowledge Graph in Astronomical Research with Large Language Models: Quantifying Driving Forces in Interdisciplinary Scientific Discovery

arXiv.org
Identifying and predicting the factors that contribute to the success of interdisciplinary research is crucial for advancing scientific discovery. However, there is a lack of methods to quantify the integration of new ideas and technological advancements
Zechang Sun, Yuan-Sen Ting, Yaobo Liang, Nan Duan, Song Huang, Zheng Cai   +5 more
semanticscholar   +1 more source

Enhancing astronomical exploration with the GMT/MANIFEST

Astronomical Telescopes + Instrumentation
MANIFEST is a fibre-fed positioning system designed to enhance the capabilities of the 24.5m Giant Magellan Telescope (GMT). For the first light 14 arcmin field-of-view (FoV), MANIFEST will use the GMT’s current planned instruments: G-CLEF (an echelle ...
Tayyaba Zafar, U. T. Ahmed, Michael Goodwin, Alexandar Ji, S. Croom, S. Martell, S. Finkelstein, A. Mailvaganam, T. Mukherjee, Jon Lawrence, Jessica R. Zheng, Vitor Neves-Hartmann, Tha'is Santos-Silva, Sree Oh, José L. Carrillo-Martínez, M. Colless, A. Hopkins, Magda Arnaboldi, C. Péroux, Warren R. Brown, Charlie Conroy   +20 more
semanticscholar   +1 more source

Simulation of Large-Scale Astronomical CCD Surveys

1989
We present the first stage of a project to develop a computer model of a CCD camera system dedicated to galaxy surveys. We plan to improve old and develop new algorithms for reduction and analysis of digital astronomical images. We intend to apply our model to testing theories and observations of the large-scale distribution of galaxies, and data ...
Emilio E. Falco, Michael J. Kurtz
openaire   +1 more source