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Related papers: Exploring high-z galaxies with the E-ELT

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The upcoming imaging survey of the Chinese Space-station Survey Telescope (CSST) will deliver high-resolution imaging of an unprecedented number of galaxies for galaxy studies. To understand CSST's capability, and to support the preparation…

Astrophysics of Galaxies · Physics 2026-04-28 Ziqi Ma , Si-Yue Yu , Taotao Fang , Jinyi Shangguan , Zhao-Yu Li , Luis C. Ho

We present the observational results of our search for emission-line galaxies (ELG) towards nearby voids. In order to find ELG, we started a survey using the IIIa-J objective prism plates from the Hamburg QSO Survey. The plates are…

Astrophysics · Physics 2016-08-30 Cristina C. Popescu , Ulrich Hopp , Hans J. Hagen , Hans Elsaesser

The James Webb Space Telescope will allow to spectroscopically study an unprecedented number of galaxies deep into the reionization era, notably by detecting [OIII] and H$\beta$ nebular emission lines. To efficiently prepare such…

Astrophysics of Galaxies · Physics 2019-04-10 S. De Barros , P. A. Oesch , I. Labbé , M. Stefanon , V. González , R. Smit , R. J. Bouwens , G. D. Illingworth

We present morphologies of galaxies at $z \gtrsim 9$ resolved by JWST/NIRCam $2$-$5\mu$m imaging. Our sample consists of $22$ galaxy candidates identified by stringent dropout and photo-$z$ criteria in GLASS, CEERS, SMACS J0723, and…

We present a reduction and analysis of the \textit{James Webb Space Telescope} (JWST) SMACS~0723 field using new post-launch calibrations to conduct a search for ultra-high-redshift galaxies ($z > 9$) present within the Epoch of…

Luminosity profiles of galaxies acting as strong gravitational lenses can be tricky to study. Indeed, strong gravitational lensing images display several lensed components, both point-like and diffuse, around the lensing galaxy. Those…

Astrophysics of Galaxies · Physics 2015-12-23 J. Biernaux , P. Magain , D. Sluse , V. Chantry

The first deep-field observations of the JWST have immediately yielded a surprisingly large number of very high redshift candidates, pushing the frontier of observability well beyond $z\gtrsim10$. We here present a detailed SED-fitting…

Astrophysics of Galaxies · Physics 2023-01-03 Lukas J. Furtak , Marko Shuntov , Hakim Atek , Adi Zitrin , Johan Richard , Matthew D. Lehnert , Jacopo Chevallard

In 2006 ESO Council authorized a Phase B study of a European AO-telescope with a 42 m segmented primary with a 5-mirror design, the E-ELT. Several reports and working groups have already presented science cases for an E-ELT, specifically…

Astrophysics of Galaxies · Physics 2015-05-18 Nils Ryde

We present a study of high-redshift Ly$\alpha$ emitters (LAEs) with multiple components using HST and JWST. High-redshift galaxies are mostly point-like objects on ground-based images, but they often exhibit multiple components in higher…

Astrophysics of Galaxies · Physics 2026-02-05 Weiyang Liu , Linhua Jiang

We present redshifts for 2753 low-redshift galaxies between $0.03 \lesssim z_{\rm spec}\lesssim0.5$ with 18 $\leq$ $r$ $\leq$ 22 obtained with Hectospec at the Multi-Mirror Telescope (MMT). The observations targeted the XMM-LSS, ELAIS-N1…

We investigate the value of the near-infrared imaging from upcoming surveys for constraining the ellipticities of galaxies. We select galaxies between 0.5 < z < 3 that are brighter than expected Euclid sensitivity limits from the GOODS-S…

Astrophysics of Galaxies · Physics 2018-10-31 Bomee Lee , Ranga-Ram Chary , Edward L. Wright

In this paper, we assemble a well-defined sample of early-type gravitational lenses extracted from a large collection of 158 systems, and use the redshift distribution of galactic-scale lenses to test the standard cosmological model…

Cosmology and Nongalactic Astrophysics · Physics 2019-02-20 Yu-Bo Ma , Shuo Cao , Jia Zhang , Shuaibo Geng , Yuting Liu , Tonghua Liu , Yu Pan

We have carried out a deep (150 micro Jy rms) P-band, continuum imaging survey of about 40 square degrees of sky in the XMM-LSS, Lockman Hole and ELAIS-N1 fields with the GMRT. Our deep radio data, combined with deep archival observations…

Astrophysics of Galaxies · Physics 2014-04-01 Yogesh Wadadekar , Sandeep Sirothia , C. H. Ishwara-Chandra , Veeresh Singh , Alexandre Beelen , Alain Omont

We present an analysis of the stellar populations of 102 visually-selected early-type galaxies (ETGs) with spectroscopic redshifts (0.3<z<1.5) from observations in the Early Release Science program with the Wide Field Camera 3 (WFC3) on…

Astrophysics of Galaxies · Physics 2015-06-23 M. Rutkowski , H. Jeong , S. H. Cohen , S. Kaviraj , R. E. Ryan, , R. A. Windhorst , A. Koekemoer , N. P. Hathi , M. A. Dopita , S. K. Yi

We present an analysis of the rest-frame optical spectra of 22 [OIII]$\lambda$4363 detected galaxies in the redshift range $1.65 < z < 7.92$ (with $\langle z \rangle$ = 4.05) from JWST/NIRSpec medium-resolution observations taken as part of…

We present the results of a systematic search for candidate quiescent galaxies in the distant Universe in eleven $JWST$ fields with publicly available observations collected during the first three months of operations and covering an…

We investigate the accuracy of 4000\AA/Balmer-break based redshifts by combining Hubble Space Telescope ({\it HST}) grism data with photometry. The grism spectra are from the Probing Evolution And Reionization Spectroscopically (PEARS)…

Astrophysics of Galaxies · Physics 2019-10-09 Bhavin A. Joshi , Seth Cohen , Rogier A. Windhorst , Rolf Jansen , Norbert Pirzkal , Nimish P. Hathi

We use mock images of $z=0.1$ galaxies in the 100 Mpc EAGLE simulation to establish the differences between the sizes and morphologies inferred from the stellar mass distributions and the optical light distributions. The optical, $r$-band…

Astrophysics of Galaxies · Physics 2021-12-15 Anna de Graaff , James Trayford , Marijn Franx , Matthieu Schaller , Joop Schaye , Arjen van der Wel

We present a study into the capabilities of integrated and spatially resolved integral field spectroscopy of galaxies at z=2-4 with the future HARMONI spectrograph for the European Extremely Large Telescope (E-ELT) using the simulation…

Astrophysics of Galaxies · Physics 2016-03-23 S. Kendrew , S. Zieleniewski , R. C. W. Houghton , N. Thatte , J. Devriendt , M. Tecza , F. Clarke , K. O'Brien , B. Häussler

Stellar halos around galaxies retain fundamental evidence of the processes which lead to their build up. Sophisticated models of galaxy formation in a cosmological context yield quantitative predictions about various observable…

Astrophysics of Galaxies · Physics 2016-09-07 Laura Greggio , Renato Falomo , Michela Uslenghi