English
Related papers

Related papers: A cgi synthetic CMD calculator for the YY Isochron…

200 papers

(Abridged) This paper presents integrated magnitude and colours for synthetic clusters. The integrated parameters have been obtained for the whole cluster population as well as for the main-sequence (MS) population of star clusters. We have…

Astrophysics of Galaxies · Physics 2015-05-18 A. K. Pandey , T. S. Sandhu , R. Sagar , P. Battinelli

We find ourselves on the brink of an exciting era in observational astrophysics, driven by groundbreaking facilities like JWST, Euclid, Rubin, Roman, SKA, or ELT. Simultaneously, computational astrophysics has shown significant strides,…

Characterizing the temporal variability of astrophysical sources is key to understanding the underlying physical processes driving their emissions. This work introduces a gammapy_SyLC, a Python package that offers tools to simulate and fit…

High Energy Astrophysical Phenomena · Physics 2025-03-19 Claudio Galelli

The ongoing surveys of galaxies and those for the next generation of telescopes will demand the execution of high-CPU consuming machine codes for recovering detailed star formation histories (SFHs) and hence age-metallicity relationships…

Astrophysics of Galaxies · Physics 2017-05-31 Andrés E. Piatti , Antonio Aparicio , Sebastián L. Hidalgo

We introduce a method for producing a galaxy sample unbiased by surface brightness and stellar mass, by selecting star-forming galaxies via the positions of core-collapse supernovae (CCSNe). Whilst matching $\sim$2400 supernovae from the…

Astrophysics of Galaxies · Physics 2019-01-23 Thomas M. Sedgwick , Ivan K. Baldry , Philip A. James , Lee S. Kelvin

We present a new software pipeline -- PyMorph -- for automated estimation of structural parameters of galaxies. Both parametric fits through a two dimensional bulge disk decomposition as well as structural parameter measurements like…

Instrumentation and Methods for Astrophysics · Physics 2015-05-19 Vinu Vikram , Yogesh Wadadekar , Ajit K. Kembhavi , G. V. Vijayagovindan

In this paper, I present a new set of synthetic spectral energy distributions (SEDs) for young stellar objects (YSOs) spanning a wide range of evolutionary stages, from the youngest deeply embedded protostars to pre-main-sequence stars with…

Solar and Stellar Astrophysics · Physics 2017-03-29 Thomas P. Robitaille

We present a new Galaxy population synthesis Model (GalMod). GalMod is a star-count model featuring an asymmetric bar/bulge as well as spiral arms and related extinction. The model, initially introduced in Pasetto et al. (2016b), has been…

Astrophysics of Galaxies · Physics 2018-07-04 S. Pasetto , E. K. Grebel , C. Chiosi , D. Crnojevic , P. Zeidler , G. Busso , L. P. Cassara , L. Piovan , R. Tantalo , C. Brogliato

A deep understanding of the Milky Way galaxy, its formation and evolution requires observations of huge numbers of stars. Stellar photometry, therefore, provides an economical method to obtain intrinsic stellar parameters. With the addition…

Solar and Stellar Astrophysics · Physics 2019-01-30 Louise M. Howes , Lennart Lindegren , Sofia Feltzing , Ross P. Church , Thomas Bensby

The Chinese Space Station Survey Telescope (CSST) is a flagship space mission, designed to carry out a large-area sky survey to explore the nature of dark matter and dark energy in the Universe. The onboard multi-band imaging and slitless…

Instrumentation and Methods for Astrophysics · Physics 2025-11-17 Cheng-Liang Wei , Yu Luo , Hao Tian , Ming Li , Yi-Sheng Qiu , Guo-Liang Li , Yue-Dong Fang , Xin Zhang , De-Zi Liu , Nan Li , Ran Li , Huan-Yuan Shan , Lin Nie , Zizhao He , Lei Wang , Xi Kang , Dongwei Fan , Yang Chen , Xiaoting Fu , Chao Liu

This study forges new tools to discriminate between dynamical and static dark energy. It provides accurate evolutionary templates of dynamical cosmological parameters and fundamental constants as analytic functions of the scale factor. They…

Cosmology and Nongalactic Astrophysics · Physics 2022-04-06 Rodger I. Thompson

The Carnegie-Irvine Galaxy Survey (CGS) is a long-term program to investigate the photometric and spectroscopic properties of a statistically complete sample of 605 bright (B_T < 12.9 mag), southern (Dec. < 0) galaxies using the facilities…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-03 Luis C. Ho , Zhao-Yu Li , Aaron J. Barth , Marc S. Seigar , Chien Y. Peng

We present the first version release of SESAMME, a public, Python-based full spectrum fitting tool for Simultaneous Estimates of Star-cluster Age, Metallicity, Mass, and Extinction. SESAMME compares an input spectrum of a star cluster to a…

Astrophysics of Galaxies · Physics 2023-10-17 Logan H. Jones , Svea Hernandez , Linda J. Smith , Bethan L. James , Alessandra Aloisi , Søren Larsen

IAC-pop is a code designed to solve the star formation history (SFH) of a complex stellar population system, like a galaxy, from the analysis of the color-magnitude diagram (CMD). It uses a genetic algorithm to minimize a chi2 merit…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-13 A. Aparicio , S. L. Hidalgo

We have computed a series of realistic and self-consistent models that reproduce the properties of HII galaxies. The emitted spectrum of HII galaxies is reproduced by means of the photoionization code CLOUDY, using as ionizing spectrum the…

Astrophysics · Physics 2008-10-14 M. L. Martin-Manjon , M. Molla , A. I. Diaz , R. Terlevich

We present a new evolutionary synthesis (ES) tool specifically developed for the analysis of multi-color data of young star clusters (YSCs) in interacting galaxies. Our ESO/ST-ECF ASTROVIRTEL project provides an unprecedented database of…

Astrophysics · Physics 2007-05-23 Peter Anders , Uta Fritze--v. Alvensleben , Richard de Grijs

The open-source PyNX toolkit [Favre-Nicolin et al (2011) arXiv:1010.2641, Mandula et al (2016)] has been extended to provide tools for coherent X-ray imaging data analysis and simulation. All calculations can be executed on graphical…

We use a multi million particle N-body + SPH simulation to follow the formation of a rich galaxy cluster in a Lambda+CDM cosmology, with the goal of understanding the origin and properties of intracluster stars. The simulation includes gas…

Astrophysics · Physics 2009-11-10 Beth Willman , Fabio Governato , James Wadsley , Thomas Quinn

Galactic open clusters provide an abundant sample of stellar aggregates of various sizes, ages and metal abundances, apt to constitute a template for comparison with star systems in other galaxies. In this paper we present and discuss a…

Astrophysics · Physics 2011-05-23 P. Battinelli , A. Brandimarti , R. Capuzzo--Dolcetta

We tackle the problem of Clifford isometry compilation, i.e, how to synthesize a Clifford isometry into an executable quantum circuit. We propose a simple framework for synthesis that only exploits the elementary properties of the Clifford…

Quantum Physics · Physics 2025-01-15 Timothée Goubault de Brugière , Simon Martiel , Christophe Vuillot
‹ Prev 1 8 9 10 Next ›