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We present a brief description of the newly upgraded versions of the programs TLUSTY, version 208, and SYNSPEC, version 54. TLUSTY is used to generate model stellar atmospheres or accretion disks, and SYNSPEC produces detailed synthetic…

Solar and Stellar Astrophysics · Physics 2021-04-08 Ivan Hubeny , Carlos Allende Prieto , Yeisson Osorio , Thierry Lanz

A two-body gas-phase reaction rate coefficient can be given by the usual Arrhenius-type formula which depends on temperature. The UMIST Database for Astrochemistry is a widely used database for reaction rate coefficients. They provide…

Astrophysics of Galaxies · Physics 2023-08-08 Gargi Shaw , Gary Ferland , M. Chatzikos

The Hitomi SXS spectrum of the Perseus cluster, with $\sim$5 eV resolution in the 2-9 keV band, offers an unprecedented benchmark of the atomic modeling and database for hot collisional plasmas. It reveals both successes and challenges of…

High Energy Astrophysical Phenomena · Physics 2018-04-25 Hitomi Collaboration , Felix Aharonian , Hiroki Akamatsu , Fumie Akimoto , Steven W. Allen , Lorella Angelini , Marc Audard , Hisamitsu Awaki , Magnus Axelsson , Aya Bamba , Marshall W. Bautz , Roger Blandford , Laura W. Brenneman , Gregory V. Brown , Esra Bulbul , Edward M. Cackett , Maria Chernyakova , Meng P. Chiao , Paolo S. Coppi , Elisa Costantini , Jelle de Plaa , Cor P. de Vries , Jan-Willem den Herder , Chris Done , Tadayasu Dotani , Ken Ebisawa , Megan E. Eckart , Teruaki Enoto , Yuichiro Ezoe , Andrew C. Fabian , Carlo Ferrigno , Adam R. Foster , Ryuichi Fujimoto , Yasushi Fukazawa , Akihiro Furuzawa , Massimiliano Galeazzi , Luigi C. Gallo , Poshak Gandhi , Margherita Giustini , Andrea Goldwurm , Liyi Gu , Matteo Guainazzi , Yoshito Haba , Kouichi Hagino , Kenji Hamaguchi , Ilana M. Harrus , Isamu Hatsukade , Katsuhiro Hayashi , Takayuki Hayashi , Kiyoshi Hayashida , Natalie Hell , Junko S. Hiraga , Ann Hornschemeier , Akio Hoshino , John P. Hughes , Yuto Ichinohe , Ryo Iizuka , Hajime Inoue , Yoshiyuki Inoue , Manabu Ishida , Kumi Ishikawa , Yoshitaka Ishisaki , Masachika Iwai , Jelle Kaastra , Tim Kallman , Tsuneyoshi Kamae , Jun Kataoka , Satoru Katsuda , Nobuyuki Kawai , Richard L. Kelley , Caroline A. Kilbourne , Takao Kitaguchi , Shunji Kitamoto , Tetsu Kitayama , Takayoshi Kohmura , Motohide Kokubun , Katsuji Koyama , Shu Koyama , Peter Kretschmar , Hans A. Krimm , Aya Kubota , Hideyo Kunieda , Philippe Laurent , Shiu-Hang Lee , Maurice A. Leutenegger , Olivier Limousin , Michael Loewenstein , Knox S. Long , David Lumb , Greg Madejski , Yoshitomo Maeda , Daniel Maier , Kazuo Makishima , Maxim Markevitch , Hironori Matsumoto , Kyoko Matsushita , Dan McCammon , Brian R. McNamara , Missagh Mehdipour , Eric D. Miller , Jon M. Miller , Shin Mineshige , Kazuhisa Mitsuda , Ikuyuki Mitsuishi , Takuya Miyazawa , Tsunefumi Mizuno , Hideyuki Mori , Koji Mori , Koji Mukai , Hiroshi Murakami , Richard F. Mushotzky , Takao Nakagawa , Hiroshi Nakajima , Takeshi Nakamori , Shinya Nakashima , Kazuhiro Nakazawa , Kumiko K. Nobukawa , Masayoshi Nobukawa , Hirofumi Noda , Hirokazu Odaka , Takaya Ohashi , Masanori Ohno , Takashi Okajima , Naomi Ota , Masanobu Ozaki , Frits Paerels , Stéphane Paltani , Robert Petre , Ciro Pinto , Frederick S. Porter , Katja Pottschmidt , Christopher S. Reynolds , Samar Safi-Harb , Shinya Saito , Kazuhiro Sakai , Toru Sasaki , Goro Sato , Kosuke Sato , Rie Sato , Makoto Sawada , Norbert Schartel , Peter J. Serlemtsos , Hiromi Seta , Megumi Shidatsu , Aurora Simionescu , Randall K. Smith , Yang Soong , Łukasz Stawarz , Yasuharu Sugawara , Satoshi Sugita , Andrew Szymkowiak , Hiroyasu Tajima , Hiromitsu Takahashi , Tadayuki Takahashi , Shin'ichiro Takeda , Yoh Takei , Toru Tamagawa , Takayuki Tamura , Takaaki Tanaka , Yasuo Tanaka , Yasuyuki T. Tanaka , Makoto S. Tashiro , Yuzuru Tawara , Yukikatsu Terada , Yuichi Terashima , Francesco Tombesi , Hiroshi Tomida , Yohko Tsuboi , Masahiro Tsujimoto , Hiroshi Tsunemi , Takeshi Go Tsuru , Hiroyuki Uchida , Hideki Uchiyama , Yasunobu Uchiyama , Shutaro Ueda , Yoshihiro Ueda , Shin'ichiro Uno , C. Megan Urry , Eugenio Ursino , Shin Watanabe , Norbert Werner , Dan R. Wilkins , Brian J. Williams , Shinya Yamada , Hiroya Yamaguchi , Kazutaka Yamaoka , Noriko Y. Yamasaki , Makoto Yamauchi , Shigeo Yamauchi , Tahir Yaqoob , Yoichi Yatsu , Daisuke Yonetoku , Irina Zhuravleva , Abderahmen Zoghbi , A. J. J. Raassen

Integrating datasets from different disciplines is hard because the data are often qualitatively different in meaning, scale, and reliability. When two datasets describe the same entities, many scientific questions can be phrased around…

Atomic and molecular data for the transitions of a number of astrophysically interesting species are summarized, including energy levels, statistical weights, Einstein A-coefficients and collisional rate coefficients. Available collisional…

Astrophysics · Physics 2014-10-13 F. L. Schoeier , F. F. S. van der Tak , E. F. van Dishoeck , J. H. Black

DL_POLY Quantum 2.1 is introduced here as a highly modular, sustainable, and scalable general-purpose molecular dynamics (MD) simulation software for large-scale long-time MD simulations of condensed phase and interfacial systems with the…

Materials Science · Physics 2025-05-08 Nathan London , Dil K. Limbu , Md Omar Faruque , Farnaz A. Shakib , Mohammad R. Momeni

A database is under construction to provide a complete collection of published basic properties of hypernuclei such as {\Lambda} binding energies, lifetimes, or excitation energies. From these values, averages with related errors are…

Simflowny is an open platform which automatically generates efficient parallel code of scientific dynamical models for different simulation frameworks. Here we present major upgrades on this software to support simultaneously a quite…

Computational Physics · Physics 2020-12-02 C. Palenzuela , B. Miñano , A. Arbona , C. Bona-Casas , C. Bona , J. Massó

Clustering in high-dimensional settings with severe feature noise remains challenging, especially when only a small subset of dimensions is informative and the final number of clusters is not specified in advance. In such regimes, partition…

Machine Learning · Statistics 2026-04-09 Wan Ping Chen

The identification of spectral lines can be a tedious process requiring the interrogation of large spectroscopic databases, but it does lend itself to software algorithms that can determine the characteristics of candidate line…

Astrophysics · Physics 2009-11-10 Brian Sharpee , Robert Williams , Jack A. Baldwin , Peter A. M. van Hoof

Purpose: To update and extend the Carleton Laboratory for Radiotherapy Physics (CLRP) Eye Plaque (EP) dosimetry database for low-energy photon-emitting brachytherapy sources using egs_brachy, an open-source EGSnrc application. The previous…

Medical Physics · Physics 2021-09-15 Habib Safigholi , Zack Parsons , Stephen G. Deering , Rowan M. Thomson

We present the current status of the comparisons with the respective data of the predictions of our approach of exact amplitude-based resummation in quantum field theory as applied to precision QCD calculations as needed for LHC physics,…

High Energy Physics - Phenomenology · Physics 2014-09-05 B. F. L. Ward , S. K. Majhi , A. Mukhopadhyay , S. A. Yost

One of the most challenging and recurring problems when modelling plasmas is the lack of data on key atomic and molecular reactions that drive plasma processes. Even when there are data for some reactions, complete and validated datasets of…

Spectral clustering requires the time-consuming decomposition of the Laplacian matrix of the similarity graph, thus limiting its applicability to large datasets. To improve the efficiency of spectral clustering, a top-down approach was…

Machine Learning · Computer Science 2024-12-19 Zhichang Xu , Zhiguo Long , Hua Meng

This is a summary of the 2013 release of the plasma simulation code Cloudy. Cloudy models the ionization, chemical, and thermal state of material that may be exposed to an external radiation field or other source of heating, and predicts…

Ordinary differential equation models facilitate the understanding of cellular signal transduction and other biological processes. However, for large and comprehensive models, the computational cost of simulating or calibrating can be…

Quantitative Methods · Quantitative Biology 2023-11-29 Fabian Fröhlich , Daniel Weindl , Yannik Schälte , Dilan Pathirana , Łukasz Paszkowski , Glenn Terje Lines , Paul Stapor , Jan Hasenauer

We present Lifty, a domain-specific language for data-centric applications that manipulate sensitive data. A Lifty programmer annotates the sources of sensitive data with declarative security policies, and the language statically and…

Programming Languages · Computer Science 2020-07-02 Nadia Polikarpova , Deian Stefan , Jean Yang , Shachar Itzhaky , Travis Hance , Armando Solar-Lezama

Diagnostic data such as logs and memory dumps from production systems are often shared with development teams to do root cause analysis of system crashes. Invariably such diagnostic data contains sensitive information and sharing it can…

Cryptography and Security · Computer Science 2021-09-09 Akshar Kaul , Manish Kesarwani , Hong Min , Qi Zhang

Ab initio quantum chemical methods for accurately computing interactions between molecules have a wide range of applications but are often computationally expensive. Hence, selecting an appropriate method based on accuracy and computational…

Chemical Physics · Physics 2025-11-25 Austin M. Wallace , C. David Sherrill , Giri P. Krishnan

Many modern cheminformatics workflows derive datasets from ChEMBL, but few of these datasets are published with accompanying code for their generation. Consequently, their methodologies (e.g., selection, filtering, aggregation) are opaque,…

Quantitative Methods · Quantitative Biology 2025-07-25 Charles Tapley Hoyt