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We present rest frame mid-infrared spectroscopy of a sample of 13 submillimeter galaxies, obtained using the Infrared Spectrograph (IRS) on board the Spitzer Space Telescope. The sample includes exclusively bright objects from blank fields…

天体物理学 · 物理学 2011-02-11 E. Valiante , D. Lutz , E. Sturm , R. Genzel , L. J. Tacconi , M. D. Lehnert , A. J. Baker

The survey description and near-infrared properties for 92 galaxies are presented for the Extended Disc Galaxy Exploration Science (EDGES) Survey, along with an investigation into the properties of the stellar halos of these galaxies. EDGES…

星系天体物理 · 物理学 2019-04-24 Shawn M. Staudaher , Daniel A. Dale , Liese Van Zee

The Mid-IR colors ($F_{8}/F_{24}$) of galaxies together with their IR-UV luminosity correlations can be used to get some insight into the relative abundance of the different dust grain populations present in them. The ELAIS-N1 field…

星系天体物理 · 物理学 2015-09-16 P. Shalima , Rupjyoti Gogoi , Amit Pathak , Ranjeev Misra , Ranjan Gupta , D. B. Vaidya

The rest-frame ultraviolet (UV) spectra of active galactic nuclei (AGNs) are important diagnostics of both accretion disk physics and their contribution to the metagalactic ionizing UV background. Though the mean AGN spectrum is well…

星系天体物理 · 物理学 2016-01-27 Evan M. Tilton , Matthew L. Stevans , J. Michael Shull , Charles W. Danforth

(Abridged) The Spitzer Survey for Stellar Structure in Galaxies (S4G) and its more recently approved extension will lead to a set of 3.6 and 4.5 micron images for 2829 galaxies, which can be used to study many different aspects of the…

We present an all-sky sample of 984 candidate intermediate-mass Galactic star-forming regions color-selected from the Infrared Astronomical Satellite (IRAS) Point Source Catalog and morphologically classify each object using mid-infrared…

39 galaxies are now known, from follow-up of faint IRAS sources and from submm observations of high redshift AGN, with far infrared luminosities > 10^{13} Lo. 13 of these, which have been found in 60 or 850 mu surveys, form an important…

天体物理学 · 物理学 2009-10-31 M. Rowan-Robinson

We present a simple, physically-motivated model to interpret consistently the emission from galaxies at ultraviolet, optical and infrared wavelengths. We combine this model with a Bayesian method to obtain robust statistical constraints on…

宇宙学与河外天体物理 · 物理学 2015-06-03 Elisabete da Cunha , Stephane Charlot , Loretta Dunne , Dan Smith , Kate Rowlands

We analyze a set of optical-to-near-infrared long-slit nuclear spectra of 16 infrared-luminous spiral galaxies. All of the studied sources present H$_2$ emission, which reflects the star-forming nature of our sample, and they clearly…

We describe far infrared observations of early-type galaxies selected from the ISO archive. This rather inhomogeneous sample includes 39 giant elliptical galaxies and 14 S0 (or later) galaxies. These galaxies were observed using a variety…

天体物理学 · 物理学 2016-08-30 Pasquale Temi , Fabrizio Brighenti , William G. Mathews , Jesse D. Bregman

The WISE and NEOWISE missions have provided the only mid-infrared all-sky time-domain data, opening a unique observational window for variability studies. Yet, a comprehensive and systematic catalog of mid-infrared variable sources has…

天体物理仪器与方法 · 物理学 2025-12-01 Zihan kang , Jingyi Zhang , Yanxia Zhang , Changhua Li , Xiao Kong , Minzhi Kong , Jinghang Shi , Shirui Wei , Xue-Bing Wu

This is the first of a series of papers on the Infrared Database of Extragalactic Observables from Spitzer (IDEOS). In this work we describe the identification of optical counterparts of the infrared sources detected in Spitzer Infrared…

Ultra diffuse galaxies, characterized by their low surface brightness and large physical size, constitute a subclass of dwarf galaxies that challenge our current understanding of galaxy formation and evolution. In this paper, we probe the…

We present an atlas of full-scan spectra from the Short-Wavelength Spectrometer (SWS) aboard the Infrared Space Observatory (ISO) after reprocessing and improving an earlier version published 22 years ago. The SWS spectra cover the…

太阳与恒星天体物理 · 物理学 2025-10-20 D. R. Mizuno , T. A. Kuchar , Kathleen E. Kraemer , G. C. Sloan , Samantha Greene , Elianna Cohen , Holly Branco

Classification of stars and galaxies is a well-known astronomical problem that has been treated using different approaches, most of them relying on morphological information. In this paper, we tackle this issue using the low-resolution…

The Wide-field Infrared Survey Explorer (WISE) has completed its all-sky survey at 3.4-22 micron. We merge the WISE data with optical SDSS data and provide a phenomenological characterization of mid-IR, extragalactic sources. WISE is most…

宇宙学与河外天体物理 · 物理学 2015-06-11 Lin Yan , E. Donoso , C. -W. Tsai , D. Stern , R. J. Assef , P. Eisenhardt , A. W. Blain , R. Cutri , T. Jarrett , S. A. Stanford , E. Wright , C. Bridge , D. A. Riechers

Active galactic nuclei (AGNs) are the compact, energetic central regions of galaxies, powered by supermassive black holes that accrete surrounding gas and dust. Their optical spectra can be identified by strong emission-line signatures…

星系天体物理 · 物理学 2026-01-09 Sruthi Suresh , Wei Jeat Hon , Rachel L Webster , Christian Wolf , Christopher A Onken

Diffuse interstellar bands are usually observed in spectra of hot stars, where interstellar lines are rarely blended with stellar ones. The need for hot stars is a strong limitation in the number of sightlines we can observe and the…

We publish the survey for galaxies in 20 fields containing ultraviolet bright quasars (with z_em 0.1 to 0.5) that can be used to study the association between galaxies and absorption systems from the low-z intergalactic medium (IGM). The…

宇宙学与河外天体物理 · 物理学 2015-05-27 J. Xavier Prochaska , B. Weiner , H. -W. Chen , K. L. Cooksey , J. S. Mulchaey
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