Subaru Surveys for High-z Galaxies
نویسنده
چکیده
We present a summary of optical/NIR deep surveys for very high-z galaxies using the 8.2m Subaru Telescope operated by National Astronomical Observatory of Japan. The prime focus mosaic CCD camera, Suprime-Cam, with a very wide field of view, 34′ × 27′, allows us to carry out efficient optical deep surveys. In particular, the Subaru Deep Field project has provided us a number of Lymanα emitters beyond z = 6. We discuss the star formation history in the early universe based on this project.
منابع مشابه
ar X iv : a st ro - p h / 03 12 32 1 v 1 1 2 D ec 2 00 3 Galaxy Evolution in Three dimensions : Time , Space and Mass
There are three major axes to describe the evolution of galaxies, namely, time (redshift), space (environment) and mass (stellar mass). In this article, one topic each will be presented along these axes. (1) Based on the Subaru wide-field (30) optical imaging of two distant clusters (z=0.55 and 0.83), we show the large scale structures in galaxy distributions on a scale greater than 10 Mpc, whi...
متن کاملLyman Α Emitters at Redshift 5 . 7 in the Cosmos Field
We present results from a narrow-band optical survey of a contiguous area of 1.95 deg 2 , covered by the Cosmic Evolution Survey (COSMOS). Both optical narrow-band (λ c = 8150Å and ∆λ = 120Å) and broad-band (B, V , g ′ , r ′ , i ′ , and z ′) imaging observations were performed with the Subaru prime-focus camera, Suprime-Cam on the Subaru Telescope. We provide the largest contiguous narrow-band ...
متن کاملSubaru studies of the cosmic dawn
An overview on the current status of the census of the early Universe population is given. Observational surveys of high redshift objects provide direct opportunities to study the early epoch of the Universe. The target population included are Lyman Alpha Emitters (LAE), Lyman Break Galaxies (LBG), gravitationally lensed galaxies, quasars and gamma-ray bursts (GRB). The basic properties of thes...
متن کاملA Slow Merger History of Field Galaxies since Z ∼
Using deep infrared observations conducted with the CISCO imager on the Subaru Telescope, we investigate the field-corrected pair fraction and the implied merger rate of galaxies in redshift survey fields with Hubble Space Telescope imaging. In the redshift interval, 0.5 < z < 1.5, the fraction of infrared-selected pairs increases only modestly with redshift to 7% ± 6% at z ∼ 1. This is nearly ...
متن کاملDetecting High Redshift Evolved Galaxies as the Hosts of Optically Faint Hard X-ray Sources
We combine deep Subaru near-infrared images of the massive lensing clusters A2390 and A370 with Keck optical data to map the spectral energy distributions (SEDs) of Chandra X-ray sources lying behind the clusters. The three sources behind A2390 are found to have extremely red colors with SEDs consistent with evolved galaxies at redshifts z > 1.4. One source has extremely anomalous colors, which...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
عنوان ژورنال:
دوره شماره
صفحات -
تاریخ انتشار 2003