Results 11 to 20 of about 190,075 (202)

CurFi: An automated tool to find the best regression analysis model using curve fitting

Engineering Reports, Volume 4, Issue 12, December 2022., 2022
An automated curve fitting system named “CurFi” is developed that uses linear regression models to fit a curve to a dataset and to find out the best fit model. The system facilitates to upload a dataset, split the dataset into training set and test set, select relevant features and label from the dataset; and the system will return the best fit linear ...
Ayon Roy, Tausif Al Zubayer, Nafisa Tabassum, Muhammad Nazrul Islam, Md. Abdus Sattar   +4 more
wiley   +1 more source

Fuelling active galactic nuclei [PDF]

Monthly Notices of the Royal Astronomical Society: Letters, 2007
Abstract We suggest that most nearby active galactic nuclei are fed by a series of small-scale, randomly oriented accretion events. Outside a certain radius these events promote rapid star formation, while within it they fuel the supermassive black hole. We show that the events have a characteristic time-evolution.
J. E. Pringle, J. E. Pringle, Andrew J. King   +2 more
openaire   +5 more sources

The SHARK integral generation and digestion system

Journal of Computational Chemistry, Volume 44, Issue 3, Page 381-396, January 30, 2023., 2023
The BLAS level 3‐driven SHARK integral generation and digestion library is introduced and it is discussed how it leads to greatly simplified workflows and substantial computational speedups. Abstract In this paper, the SHARK integral generation and digestion engine is described.
Frank Neese
wiley   +1 more source

The Rapid Optical Variability of the Nearby Radio-loud AGN Pictor A: Introducing the Quaver Pipeline for AGN Science with TESS

The Astrophysical Journal, 2023
The sampling strategy of the Transiting Exoplanet Survey Satellite (TESS) makes TESS light curves extremely valuable for investigating the high cadence optical variability of active galactic nuclei (AGN).
Krista Lynne Smith, Lia F. Sartori
doaj   +1 more source

Active Galactic Nuclei

, 2022
Introduction into AGN given at SSAASS with focus on radio features of ...
openaire   +7 more sources

Investigation of Stellar Kinematics and Ionized Gas Outflows in Local (U)LIRGs

The Astrophysical Journal, 2023
We explore the properties of stellar kinematics and ionized gas in a sample of 1106 local (U)LIRGs from the AKARI telescope. We combine data from Wide-field Infrared Survey Explorer and Sloan Digital Sky Survey Data Release 13 to fit the spectral energy ...
Ashraf Ayubinia, Yongquan Xue, Huynh Anh Nguyen Le, Fan Zou, Shu Wang, Zhicheng He, Ece Kilerci   +6 more
doaj   +1 more source

Scalable Two‐Step Production of High‐Efficiency Perovskite Solar Cells and Modules

Solar RRL, Volume 7, Issue 1, January 2023., 2023
The industrialization of perovskite photovoltaics requires a scalable, fully automatic, low‐cost, and high‐throughput production method to fabricate the perovskite films. This review focuses on the scalable two‐step fabrication of perovskite solar cells and modules.
Zhifang Wu, Enbing Bi, Chongwen Li, Lei Chen, Zhaoning Song, Yanfa Yan   +5 more
wiley   +1 more source

NuSTAR Observations of a Heavily X-Ray-obscured AGN in the Dwarf Galaxy J144013+024744

The Astrophysical Journal, 2023
We present a multiwavelength analysis of the dwarf Seyfert 2 galaxy J144013+024744, a candidate obscured active galactic nucleus (AGN) thought to be powered by an intermediate-mass black hole (IMBH, M _• ≈ 10 ^4 −10 ^6 M _⊙ ) of mass M _• ∼ 10 ^5.2 M _⊙ .
Shrey Ansh, Chien-Ting J. Chen, W. N. Brandt, Carol E. Hood, E. S. Kammoun, G. Lansbury, Stéphane Paltani, Amy E. Reines, C. Ricci, Douglas A. Swartz, Jonathan R. Trump, F. Vito, Ryan C. Hickox   +12 more
doaj   +1 more source

Craton Destruction Induced by Drastic Drops in Lithospheric Mantle Viscosity

Earth and Space Science, Volume 9, Issue 12, December 2022., 2022
Abstract The disruption of the mantle roots of cratons is common after cratonization. Craton destruction, which is characterized by severe lithospheric thinning, extensive thrust and extensional deformation, basin filling, and intense thermal activities, is relatively rare and is generally attributed to intensely reduced viscosity contrasts between the
Lu Wang, Jia Liu, Qi‐Hu Xu, Qun‐Ke Xia   +3 more
wiley   +1 more source

Quantum medical images processing foundations and applications

IET Quantum Communication, Volume 3, Issue 4, Page 201-213, December 2022., 2022
Abstract Medical imaging is considered one of the most important areas within scientific imaging due to the rapid and ongoing development in computer‐aided medical image visualisation, advances in analysis approaches, and computer‐aided diagnosis.
Ahmed Elaraby
wiley   +1 more source