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We have modified the iterative procedure introduced by Lin et al. (2016), to systematically combine the submm images taken from ground based (e.g., CSO, JCMT, APEX) and space (e.g., Herschel, Planck) telescopes. We applied the updated…

We report the archival discovery of Lyman-$\alpha$ emission from the bright ultraviolet galaxy Y002 at $z=7.677$, spectroscopically confirmed by its ionized carbon [CII] 158$\mu$m emission line. The Ly$\alpha$ line is spatially associated…

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

Lyman $\alpha$ emission is highly sensitive to dust and neutral hydrogen and is therefore expected to be strongly suppressed in dusty or gas-rich galaxies during the epoch of reionization (EoR). Nevertheless, numerous moderately dusty…

We present the third release of the CLUMPY code for calculating $\gamma$-ray and $\nu$ signals from annihilations or decays in dark matter structures. This version includes the mean extragalactic signal with several pre-defined options and…

Cosmology and Nongalactic Astrophysics · Physics 2019-10-01 Moritz Hütten , Céline Combet , David Maurin

Mapping of multiple lines such as the fine-structure emission from [CII] (157.7 $\mu \text{m}$), [OIII] (52 \& 88.4 $\mu \text{m}$), and rotational emission lines from CO are of particular interest for upcoming line intensity mapping (LIM)…

This is the first of three papers that present a detailed guide for working with the codes {\sc tlusty} and {\sc synspec} to generate model stellar atmospheres or accretion disks, and to produce detailed synthetic spectra. In this paper, we…

Solar and Stellar Astrophysics · Physics 2017-06-07 Ivan Hubeny , Thierry Lanz

The Lyman-alpha emission line dominates the far-ultraviolet spectra of late-type stars and is a major source for photodissociation of important molecules including H2O, CH4, and CO2 in exoplanet atmospheres. The incident flux in this line…

Solar and Stellar Astrophysics · Physics 2015-06-12 Jeffrey L. Linsky , Kevin France , Tom Ayres

Symbiotic stars are long-period interacting binaries where the compact objects, most commonly a white dwarf, is embedded in the dense stellar wind of an evolved companion star. UV and soft X-ray emission of the accretion disk and nuclear…

Solar and Stellar Astrophysics · Physics 2021-08-25 Jere Kuuttila , Marat Gilfanov

Bright active galaxies show a range of properties but many of these properties are correlated which has led to the concept of the Quasar Main Sequence. We test whether our current understanding of the quasar structure allows to reproduce…

High Energy Astrophysical Phenomena · Physics 2019-04-25 Swayamtrupta Panda , Bożena Czerny , Chris Done , Aya Kubota

We present a comprehensive grid of synthetic stellar-atmosphere spectra, suitable for the analysis of high resolution spectra of hydrogen-deficient post-Asymptotic Giant Branch (post-AGB) objects hotter than 50000 K, migrating along the…

Solar and Stellar Astrophysics · Physics 2012-11-02 Graziela R. Keller , James E. Herald , Luciana Bianchi , Walter J. Maciel , Ralph C. Bohlin

[abbreviated] We present a census of Ly\alpha\ emission at $z\gtrsim7$ utilizing deep near infrared HST grism spectroscopy from the first six completed clusters of the Grism Lens-Amplified Survey from Space (GLASS). In 24/159…

[13CII] observations in several Galactic sources show that the fine-structure [12CII] emission is often optically thick (the optical depths around 1 to a few). The aim of our study is to test whether this also affects the [12CII] emission…

Astrophysics of Galaxies · Physics 2019-11-20 Yoko Okada , Ronan Higgins , Volker Ossenkopf-Okada , Cristian Guevara , Jürgen Stutzki , Marc Mertens

We present the second data release (DR2) of the X-Shooter Spectral Library (XSL), which contains all the spectra obtained over the six semesters of that program. This release supersedes our first data release from Chen et al. 2014, with a…

We investigate the possibility of detecting HI emission from gravitationally lensed HI clouds (akin to damped Lyman-$\alpha$ clouds) at high redshift by carrying out deep radio observations in the fields of known cluster lenses. Such…

Astrophysics · Physics 2017-03-22 Tarun Deep Saini , Somnath Bharadwaj , Shiv Kumar Sethi

We simulate the Lya forest in a standard CDM universe using a 2-level hierarchical grid code to evolve the dark and baryonic matter components self-consistently. We solve the time-dependent ionization equations for hydrogen and helium,…

Astrophysics · Physics 2009-10-28 Yu Zhang , Peter Anninos , Michael L. Norman , Avery Meiksin

The systematic discovery of outflows in the optical spectra of low-mass X-ray binaries opened a new avenue for the study of the outburst evolution in these extreme systems. However, the efficient detection of such features in a continuously…

High Energy Astrophysical Phenomena · Physics 2023-06-28 D. Mata Sánchez , T. Muñoz-Darias , J. Casares , M. Huertas-Company , G. Panizo-Espinar

The Sloan Digital Sky Survey (SDSS) started a new phase in August 2008, with new instrumentation and new surveys focused on Galactic structure and chemical evolution, measurements of the baryon oscillation feature in the clustering of…

Instrumentation and Methods for Astrophysics · Physics 2015-05-27 III collaboration , Hiroaki Aihara , Carlos Allende Prieto , Deokkeun An , Scott F. Anderson , Éric Aubourg , Eduardo Balbinot , Timothy C. Beers , Andreas A. Berlind , Steven J. Bickerton , Dmitry Bizyaev , Michael R. Blanton , John J. Bochanski , Adam S. Bolton , Jo Bovy , W. N. Brandt , J. Brinkmann , Peter J. Brown , Joel R. Brownstein , Nicolas G. Busca , Heather Campbell , Michael A. Carr , Yanmei Chen , Cristina Chiappini , Johan Comparat , Natalia Connolly , Marina Cortes , Rupert A. C. Croft , Antonio J. Cuesta , Luiz N. da Costa , James R. A. Davenport , Kyle Dawson , Saurav Dhital , Anne Ealet , Garrett L. Ebelke , Edward M. Edmondson , Daniel J. Eisenstein , Stephanie Escoffier , Massimiliano Esposito , Michael L. Evans , Xiaohui Fan , Bruno Femení a Castellá , Andreu Font-Ribera , Peter M. Frinchaboy , Jian Ge , Bruce A. Gillespie , G. Gilmore , Jonay I. González Hernández , J. Richard Gott , Andrew Gould , Eva K. Grebel , James E. Gunn , Jean-Christophe Hamilton , Paul Harding , David W. Harris , Suzanne L. Hawley , Frederick R. Hearty , Shirley Ho , David W. Hogg , Jon A. Holtzman , Klaus Honscheid , Naohisa Inada , Inese I. Ivans , Linhua Jiang , Jennifer A. Johnson , Cathy Jordan , Wendell P. Jordan , Eyal A. Kazin , David Kirkby , Mark A. Klaene , G. R. Knapp , Jean-Paul Kneib , C. S. Kochanek , Lars Koesterke , Juna A. Kollmeier , Richard G. Kron , Hubert Lampeitl , Dustin Lang , Jean-Marc Le Goff , Young Sun Lee , Yen-Ting Lin , Daniel C. Long , Craig P. Loomis , Sara Lucatello , Britt Lundgren , Robert H. Lupton , Zhibo Ma , Nicholas MacDonald , Suvrath Mahadevan , Marcio A. G. Maia , Martin Makler , Elena Malanushenko , Viktor Malanushenko , Rachel Mandelbaum , Claudia Maraston , Daniel Margala , Karen L. Masters , Cameron K. McBride , Peregrine M. McGehee , Ian D. McGreer , Brice Ménard , Jordi Miralda-Escudé , Heather L. Morrison , F. Mullally , Demitri Muna , Jeffrey A. Munn , Hitoshi Murayama , Adam D. Myers , Tracy Naugle , Angelo Fausti Neto , Duy Cuong Nguyen , Robert C. Nichol , Robert W. O'Connell , Ricardo L. C. Ogando , Matthew D. Olmstead , Daniel J. Oravetz , Nikhil Padmanabhan , Nathalie Palanque-Delabrouille , Kaike Pan , Parul Pandey , Isabelle Pâris , Will J. Percival , Patrick Petitjean , Robert Pfaffenberger , Janine Pforr , Stefanie Phleps , Christophe Pichon , Matthew M. Pieri , Francisco Prada , Adrian M. Price-Whelan , M. Jordan Raddick , Beatriz H. F. Ramos , Céline Reylé , James Rich , Gordon T. Richards , Hans-Walter Rix , Annie C. Robin , Helio J. Rocha-Pinto , Constance M. Rockosi , Natalie A. Roe , Emmanuel Rollinde , Ashley J. Ross , Nicholas P. Ross , Bruno M. Rossetto , Ariel G. Sánchez , Conor Sayres , David J. Schlegel , Katharine J. Schlesinger , Sarah J. Schmidt , Donald P. Schneider , Erin Sheldon , Yiping Shu , Jennifer Simmerer , Audrey E. Simmons , Thirupathi Sivarani , Stephanie A. Snedden , Jennifer S. Sobeck , Matthias Steinmetz , Michael A. Strauss , Alexander S. Szalay , Masayuki Tanaka , Aniruddha R. Thakar , Daniel Thomas , Jeremy L. Tinker , Benjamin M. Tofflemire , Rita Tojeiro , Christy A. Tremonti , Jan Vandenberg , M. Vargas Magaña , Licia Verde , Nicole P. Vogt , David A. Wake , Ji Wang , Benjamin A. Weaver , David H. Weinberg , Martin White , Simon D. M. White , Brian Yanny , Naoki Yasuda , Christophe Yeche , Idit Zehavi

We present cosmological constraints from 8 strongly lensed quasars (hereafter, the TDCOSMO-2025 sample). Building on previous work, our analysis incorporated new deflector stellar velocity dispersions measured from spectra obtained with the…

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