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相关论文: Detecting Lyman Alpha Emitters in the Sub-millimet…

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We present the first Lyman Alpha Emitter (LAE) study that combines: (i) cosmological SPH simulations run using GADGET-2, (ii) radiative transfer simulations (CRASH), and (iii) a previously developed LAE model. This complete LAE model…

宇宙学与河外天体物理 · 物理学 2015-05-18 Pratika Dayal , Antonella Maselli , Andrea Ferrara

Recent results have shown that a substantial fraction of high-redshift Lyman alpha galaxies contain considerable amounts of dust. This implies that Lyman alpha galaxies are not primordial, as has been thought in the past. However, this dust…

天体物理学 · 物理学 2009-11-13 Steven Finkelstein , Sangeeta Malhotra , James Rhoads , Nimish Hathi , Norbert Pirzkal

We present deep submillimeter imaging of two spectroscopically confirmed z~6.5 Lyman-alpha emitters (LAEs) in the Subaru Deep Field. Although we reach the nominal confusion limit at 850 micron, neither LAE is detected at 850 micron nor 450…

天体物理学 · 物理学 2011-02-11 Tracy Webb , Kim-Vy Tran , Simon Lilly , Paul van der Werf

Based on a three-dimensional model of an early star-forming galaxy, we explore the evolution of the sub-millimeter brightness. The model galaxy is employed from an ultra-high-resolution chemodynamic simulation of a primordial galaxy by Mori…

宇宙学与河外天体物理 · 物理学 2015-06-03 Hidenobu Yajima , Masayuki Umemura , Masao Mori

We use very large cosmological Smoothed-Particle-Hydrodynamics simulations to study the properties of high redshift Lyman-alpha emitters (LAEs). We identify star-forming galaxies at z=3.1 in a cosmological volume of 100 h^-1Mpc on a side.…

宇宙学与河外天体物理 · 物理学 2015-05-27 Ikkoh Shimizu , Naoki Yoshida , Takashi Okamoto

We present theoretical predictions of UV continuum luminosity function (UV LF) and Lya equivalent width (EW) distribution of Lyman alpha emitters (LAEs) in the framework of the hierarchical clustering model of galaxy formation. The model…

宇宙学与河外天体物理 · 物理学 2010-01-15 Masakazu A. R. Kobayashi , Tomonori Totani , Masahiro Nagashima

The analysis of the physical properties of low-redshift Ly$\alpha$ emitters (LAEs) can provide clues in the study of their high-redshift analogues. At $z \sim 0.3$, LAEs are bright enough to be detected over almost the entire…

We study the far-infrared properties of 498 Lyman Alpha Emitters (LAEs) at z=2.8, 3.1 and 4.5 in the Extended Chandra Deep Field-South, using 250, 350 and 500 micron data from the Herschel Multi-tiered Extragalactic Survey (HerMES) and 870…

(Abridged) We extend our previous studies aimed at modeling Lyman Alpha Emitters (LAEs) to the second population of high redshift sources, Lyman Break Galaxies (LBGs), with the final goal of investigating the physical relationship between…

宇宙学与河外天体物理 · 物理学 2015-05-30 Pratika Dayal , Andrea Ferrara

We build a physical model for high-redshift Lyman Alpha emitters (LAEs) by coupling state of the art cosmological simulations (GADGET-2) with a dust model and a radiative transfer code (pCRASH). We post-process the cosmological simulation…

宇宙学与河外天体物理 · 物理学 2014-05-07 A. Hutter , P. Dayal , A. M. Partl , V. Müller

Lyman-Alpha Emitting galaxies (LAEs) are typically young, low-mass, star-forming galaxies with little extinction from interstellar dust. Their low dust attenuation allows their Ly$\alpha$ emission to shine brightly in spectroscopic and…

We extend a previous study of Lyman Alpha Emitters (LAEs) based on hydrodynamical cosmological simulations, by including two physical processes important for LAEs: (a) Lyman Alpha and continuum luminosities produced by cooling of…

宇宙学与河外天体物理 · 物理学 2015-05-13 Pratika Dayal , Andrea Ferrara , Alexandro Saro

We present a rest-frame ultraviolet analysis of ~120 z~3.1 Lyman Alpha Emitters (LAEs) in the Extended Chandra Deep Field South (ECDF-S). Using Hubble Space Telescope (HST) images taken as part of the Galaxy Evolution From Morphology and…

宇宙学与河外天体物理 · 物理学 2011-02-11 N. A. Bond , E. Gawiser , C. Gronwall , R. Ciardullo , M. Altmann , K. Schawinski

We report a new technique to select 1.6<z<4.6 dusty Lyman-alpha emitters (LAEs), over a third of which are `blobs' (LABs) with emission extended on scales of 30-100kpc. Combining data from the NASA Wide-field Infrared Survey Explorer (WISE)…

We present the results from a VLT/SINFONI and Keck/NIRSPEC near-infrared spectroscopic survey of 16 Lyman-alpha emitters (LAEs) at $z$ = 2.1 - 2.5 in the COSMOS and GOODS-N fields discovered from the HETDEX Pilot Survey. We detect…

The extensive ground-based spectroscopy campaign from the VIMOS Ultra-Deep Survey (VUDS), and the deep multi-wavelength photometry in three very well observed extragalactic fields (ECDFS, COSMOS, VVDS), allow us to investigate physical…

星系天体物理 · 物理学 2016-08-31 Nimish P. Hathi , Olivier Le Fevre , the VUDS team

We report results of a unprecedentedly deep, blind search for Ly-alpha emitters (LAEs) at z = 5.7 using IMACS, the Inamori-Magellan Areal Camera & Spectrograph, with the goal of identifying missing sources of reionization that could also be…

宇宙学与河外天体物理 · 物理学 2015-05-27 Alan Dressler , Crystal L. Martin , Alaina Henry , Marcin Sawicki , Patrick McCarthy

We present a multi-wavelength physical characterization of 14 luminous Ly$\alpha$ emitters (LAEs) at $z\approx6$, integrating deep ground-based Magellan/M2FS spectroscopy with heterogeneous JWST/NIRCam broad- and medium-band imaging.…

星系天体物理 · 物理学 2026-05-15 Yuanhang Ning , Zheng Cai , Linhua Jiang , Yucheng Guo , Qiong Li , Si-Yue Yu , Xiaodi Yu , Zhen-Ya Zheng

Lyman Alpha Emitters (LAEs) are galaxies that have been selected on the basis of a strong Ly{\alpha} emission line in their spectra. Observational campaigns have dramatically increased the sample of known LAEs, which now extends out to z=7.…

宇宙学与河外天体物理 · 物理学 2015-05-30 Mark Dijkstra , Stuart Wyithe

Context: Narrow-band surveys for Ly-alpha emitters (LAEs) is a powerful tool in detecting high, and very high, redshift galaxies. Even though samples are growing at redshifts z = 3 - 6, the nature of these galaxies is still poorly known.…

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