Results 71 to 80 of about 66,413 (243)

Impact of Redshift Information on Cosmological Applications with Next-Generation Radio Surveys [PDF]

, 2012
In this paper, we explore how the forthcoming generation of large-scale radio continuum surveys, with the inclusion of some degree of redshift information, can constrain cosmological parameters.
Alvise Raccanelli, Amanullah, Amendola, Bartelmann, Benitez, Blake, Blake, Blake, Bolzonella, Bonfield, Chevallier, Collister, Condon, Cooray, David J. Bacon, Eisenstein, Eisenstein, Feldmann, Firth, Fisher, Hu, Huub Röttgering, Ilbert, Johnston, Jungman, Kaiser, Keller, Kim McAlpine, Laureijs, Lawrence, Linder, Matt J. Jarvis, Mário G. Santos, Norris, Norris, Oosterloo, Overzier, Peebles, Planck Collaboration, Raccanelli, Ray P. Norris, Rottgering, Rottgering, Salvato, Schinnerer, Simpson, Stefano Camera, Tegmark, Wang, Way, Wilman, Wilman, Wright, Zhao   +53 more
core   +2 more sources

A Hubble Space Telescope Imaging Survey of Low-redshift Swift-BAT Active Galaxies* [PDF]

, 2021
Minjin Kim, Aaron J. Barth, Luis C. Ho, Suyeon Son   +3 more
openalex   +1 more source

The DEEP2 Redshift Survey

, 2006
The DEIMOS spectrograph is nearing completion in the UC Lick shops and will be delivered to the Keck Observatory in 2001. Once it is operational, a team of astronomers will initiate DEEP2, a major redshift survey of galaxies that will consume approximately 120 nights at the Keck Observatory over a three year period.
Davis, Marc, Newman, Jeffrey, Faber, Sandra, Phillips, Andrew   +3 more
openaire   +2 more sources

The Hobby–Eberly Telescope VIRUS Parallel Survey (HETVIPS)

The Astrophysical Journal
The Hobby–Eberly Telescope (HET) VIRUS Parallel Survey (HETVIPS) is a blind spectroscopic program that sparsely covers approximately two-thirds of the celestial sphere and consists of roughly 252 million fiber spectra.
Gregory R. Zeimann, Maya H. Debski, Donald P. Schneider, William P. Bowman, Niv Drory, Gary J. Hill, Hanshin Lee, Phillip MacQueen, Matthew Shetrone   +8 more
doaj   +1 more source

Classification and Redshift Estimation in Multi-Color Surveys [PDF]

, 2000
We present a photometric method for identifying stars, galaxies and quasars in multi-color surveys and estimating multi-color redshifts for the extragalactic objects. We use a library of >65000 color templates for comparison with observed objects.
Meisenheimer, Klaus, Röser, Hermann-Josef, Wolf, Christian   +2 more
core   +3 more sources

Constraints onOmega from the IRAS Redshift Surveys

, 1994
We measure the anisotropy of the redshift-space power spectrum in the 1.2-Jy and QDOT redshift surveys of IRAS-selected galaxies. On large scales, this anisotropy is caused by coherent peculiar motions, and gravitational instability theory predicts a ...
Cole, Shaun, Fisher, Karl B., Weinberg, David H.   +2 more
core   +1 more source

Radio-continuum surveys with SKA and LOFAR: a first look at the perspectives for radio mini-halos [PDF]

, 2018
Diffuse synchrotron radio emission has been observed in a number of cool-core clusters on scales comparable to that of the cooling region. These radio sources are called `mini-halos'.
Brunetti, Gianfranco, Cassano, Rossella, Ettori, Stefano, Gitti, Myriam   +3 more
core   +2 more sources

Reidentification of Redshifts of SDSS Galaxies Overlapped with Galactic Objects

The Astronomical Journal
This work presents a catalog of reidentified redshifts of 853 galaxies for which the redshifts of overlapping foreground objects were registered in the Sloan Digital Sky Survey (SDSS) DR16 Database.
Masafumi Yagi, Masanori Iye, Hideya Fukumoto   +2 more
doaj   +1 more source

DESI z ≳ 5 Quasar Survey. I. A First Sample of 400 New Quasars at z ∼ 4.7–6.6

The Astrophysical Journal Supplement Series, 2023
We report the first results of a high-redshift ( z ≳ 5) quasar survey using the Dark Energy Spectroscopic Instrument (DESI). As a DESI secondary target program, this survey is designed to carry out a systematic search and investigation of quasars at 4.8 <
Jinyi Yang, Xiaohui Fan, Ansh Gupta, Adam D. Myers, Nathalie Palanque-Delabrouille, Feige Wang, Christophe Yèche, Jessica Nicole Aguilar, Steven Ahlen, David M. Alexander, David Brooks, Kyle Dawson, Axel de la Macorra, Arjun Dey, Govinda Dhungana, Kevin Fanning, Andreu Font-Ribera, Satya Gontcho, Julien Guy, Klaus Honscheid, Stephanie Juneau, Theodore Kisner, Anthony Kremin, Laurent Le Guillou, Michael Levi, Christophe Magneville, Paul Martini, Aaron Meisner, Ramon Miquel, John Moustakas, Jundan Nie, Will Percival, Claire Poppett, Francisco Prada, Edward Schlafly, Gregory Tarlé, Mariana Vargas Magana, Benjamin Alan Weaver, Risa Wechsler, Rongpu Zhou, Zhimin Zhou, Hu Zou   +41 more
doaj   +1 more source

DESI Spectroscopy of HETDEX Emission-line Candidates. I. Line Discrimination Validation

The Astrophysical Journal
The Hobby–Eberly Dark Energy Experiment (HETDEX) is an untargeted spectroscopic galaxy survey that uses Ly α- emitting galaxies (LAEs) as tracers of 1.9 < z < 3.5 large-scale structure. Most detections consist of a single emission line, whose identity is
Martin Landriau, Erin Mentuch Cooper, Dustin Davis, Karl Gebhardt, Robin Ciardullo, Éric Armengaud, Arjun Dey, Anand Raichoor, David J. Schlegel, Michael Wilson, J. Aguilar, S. Ahlen, D. Bianchi, D. Brooks, T. Claybaugh, A. de la Macorra, S. Ferraro, J. E. Forero-Romero, E. Gaztañaga, S. Gontcho A Gontcho, G. Gutierrez, C. Hahn, K. Honscheid, C. Howlett, M. Ishak, S. Juneau, R. Kehoe, T. Kisner, Anthony Kremin, L. Le Guillou, Michael E. Levi, M. Manera, A. Meisner, R. Miquel, J. Moustakas, S. Nadathur, I. Pérez-Ràfols, C. Poppett, F. Prada, G. Rossi, E. Sanchez, M. Schubnell, D. Sprayberry, G. Tarlé, B. A. Weaver, R. Zhou, H. Zou, Daniel J. Farrow, Gary J. Hill, Donghui Jeong, Chenxu Liu, Shun Saito, Donald P. Schneider   +52 more
doaj   +1 more source