Results 1 to 10 of about 842,909 (176)

A Data Science Platform to Enable Time-domain Astronomy [PDF]

The Astrophysical Journal Supplement Series, 2023
SkyPortal is an open-source software package designed to discover interesting transients efficiently, manage follow-up, perform characterization, and visualize the results. By enabling fast access to archival and catalog data, crossmatching heterogeneous
Michael W. Coughlin, Joshua S. Bloom, Guy Nir, Sarah Antier, Theophile Jegou du Laz, Stéfan van der Walt, Arien Crellin-Quick, Thomas Culino, Dmitry A. Duev, Daniel A. Goldstein, Brian F. Healy, Viraj Karambelkar, Jada Lilleboe, Kyung Min Shin, Leo P. Singer, Tomás Ahumada, Shreya Anand, Eric C. Bellm, Richard Dekany, Matthew J. Graham, Mansi M. Kasliwal, Ivona Kostadinova, R. Weizmann Kiendrebeogo, Shrinivas R. Kulkarni, Sydney Jenkins, Natalie LeBaron, Ashish A. Mahabal, James D. Neill, B. Parazin, Julien Peloton, Daniel A. Perley, Reed Riddle, Ben Rusholme, Jakob van Santen, Jesper Sollerman, Robert Stein, D. Turpin, Avery Wold, Carla Amat, Adrien Bonnefon, Adrien Bonnefoy, Manon Flament, Frank Kerkow, Sulekha Kishore, Shloke Jani, Stephen K. Mahanty, Céline Liu, Laura Llinares, Jolyane Makarison, Alix Olliéric, Inès Perez, Lydie Pont, Vyom Sharma   +52 more
doaj   +2 more sources

A Survey of Big Data Archives in Time-Domain Astronomy

Applied Sciences, 2022
The rise of big data has resulted in the proliferation of numerous heterogeneous data stores. Even though multiple models are used for integrating these data, combining such huge amounts of data into a single model remains challenging. There is a need in
Manoj Poudel, Rashmi P. Sarode, Yutaka Watanobe, Maxim Mozgovoy, Subhash Bhalla   +4 more
doaj   +2 more sources

Consensus clustering-based undersampling for improved classification of transient events in time-domain astronomy surveys. [PDF]

Sci Rep
Astronomical data analytics has rapidly expanded given the advancement of data handling techniques and computing system. The race to discover new events is subject to acquiring and digesting the high volume of data from sky surveys efficiently, yet ...
Boongoen T, Iam-On N.
europepmc   +2 more sources

Autoregressive Times Series Methods for Time Domain Astronomy [PDF]

Frontiers in Physics, 2018
Celestial objects exhibit a wide range of variability in brightness at different wavebands. Surprisingly, the most common methods for characterizing time series in statistics—parametric autoregressive modeling—are rarely used to interpret astronomical ...
Eric D. Feigelson, Eric D. Feigelson, G. Jogesh Babu, G. Jogesh Babu, Gabriel A. Caceres   +4 more
doaj   +2 more sources

Artificial Intelligence Revolutionizing Time-Domain Astronomy

Universe
Artificial intelligence (AI) applications have attracted widespread attention and have proven to be highly successful in understanding messages across various dimensions.
Ze-Ning Wang, Da-Chun Qiang, Sheng Yang
doaj   +2 more sources

Fast Infrared Detector for Time-Domain Astronomy

Instruments
Multi-messenger astronomy and time-domain astronomy are strongly linked even if they do not have the same objectives. Multi-messenger astronomy is an astrophysical observation approach born by the simultaneous, even if casual, detection of a few events ...
Alessandro Drago
doaj   +2 more sources

Background-Limited Imaging in the Near-Infrared with Warm InGaAs Sensors: Applications for Time-Domain Astronomy [PDF]

Astronomical Journal, 2018
We describe test observations made with a customized 640 x 512 pixel Indium Gallium Arsenide (InGaAs) prototype astronomical camera on the 100" DuPont telescope.
Furesz, Gabor, Hellickson, Tim, Kasliwal, Mansi M., Kollmeier, Juna A., Malonis, Andrew, Moore, Anna, Shectman, Stephen A., Simcoe, Robert A., Sullivan, Peter W.   +8 more
core   +5 more sources

Gamma-Ray Astrophysics in the Time Domain

Galaxies, 2019
The last few years have seen gamma-ray astronomy maturing and advancing in the field of time-domain astronomy, utilizing source variability on timescales over many orders of magnitudes, from a decade down to a few minutes and shorter, depending on the ...
Frank M. Rieger
doaj   +3 more sources

Image Preprocessing Framework for Time-domain Astronomy in the Artificial Intelligence Era

The Astronomical Journal
The rapid advancement of image analysis methods in time-domain astronomy, particularly those leveraging artificial intelligence (AI) algorithms, has highlighted efficient image preprocessing as a critical bottleneck affecting algorithm performance. Image
Liang Cao, Peng Jia, Jiaxin Li, Yu Song, Chengkun Hou, Yushan Li   +5 more
doaj   +2 more sources

Time domain astronomy with the THESEUS satellite [PDF]

Experimental astronomy (Print), 2021
THESEUS is a medium size space mission of the European Space Agency, currently under evaluation for a possible launch in 2032. Its main objectives are to investigate the early Universe through the observation of gamma-ray bursts and to study the ...
S. Mereghetti, S. Balman, M. Caballero-García, M. Santo, Victor Doroshenko, M. Erkut, L. Hanlon, P. Hoeflich, A. Markowitz, J. Osborne, E. Pian, L. R. Sandoval, N. Webb, L. Amati, E. Ambrosi, A. Beardmore, A. Blain, E. Bozzo, L. Burderi, S. Campana, P. Casella, A. D’Aì, F. D’Ammando, F. Colle, M. Valle, D. Martino, T. D. Salvo, M. Doyle, P. Esposito, F. Frontera, P. Gandhi, G. Ghisellini, D. Gotz, V. Grinberg, C. Guidorzi, R. Hudec, R. Iaria, L. Izzo, G. K. Jaisawal, P. Jonker, A. Kong, M. Krumpe, P. Kumar, A. Manousakis, A. Marino, A. Martin-Carrillo, R. Mignani, G. Miniutti, C. Mundell, K. Mukai, A. Nucita, P. O’Brien, M. Orlandini, M. Orio, E. Palazzi, A. Papitto, F. Pintore, S. Piranomonte, D. Porquet, C. Ricci, A. Riggio, M. Rigoselli, J. Rodriguez, T. Saha, A. Sanna, A. Santangelo, R. Saxton, L. Sidoli, H. Stiele, G. Tagliaferri, F. Tavecchio, A. Tiengo, S. Tsygankov, S. Turriziani, R. Wijnands, S. Zane, B. Zhang   +76 more
semanticscholar   +1 more source