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Correlated variability in the blazar 3C 454.3
E. W. Bonning, C. Bailyn, C. M. Urry +7
The blazar 3C 454.3 was revealed by the Fermi Gamma-ray Space Telescope to be in an exceptionally high flux state in July 2008. Accordingly, we performed a multi-wavelength monitor…
The Rise of Massive Red Galaxies: the color-magnitude and color-stellar mass diagrams for z < ~2 from the MUltiwavelength Survey by Yale-Chile (MUSYC)
Edward N Taylor, Marijn Franx, Pieter G van Dokkum +8
We present the color-magnitude and color-stellar mass diagrams for galaxies with z_phot < ~2, based on a K < 22 (AB) catalog of the Extended Chandra Deep Field South (ECDFS) from t…
Star formation rates in Lyman break galaxies: radio stacking of LBGs in the COSMOS field and the sub-Jy radio source population
C. L. Carilli, Nicholas Lee, P. Capak +10
We present an analysis of the radio properties of large samples of Lyman Break Galaxies (LBGs) at , 4, and 5 from the COSMOS field. The median stacking analysis yields a…
The Accuracy of Morphological Decomposition of Active Galactic Nucleus Host Galaxies
B. D. Simmons, C. M. Urry
In order to assess the accuracy with which we can determine the morphologies of AGN host galaxies, we have simulated more than 50,000 ACS images of galaxies with z < 1.25, using im…
Mid-infrared Properties and Color Selection for X-ray Detected AGN in the MUSYC ECDF-S field
Carolin N. Cardamone, C. Megan Urry, Maaike Damen +6
We present the mid-infrared colors of X-ray-detected AGN and explore mid-infrared selection criteria. Using a statistical matching technique, the likelihood ratio, over 900 IRAC co…
Supermassive Black Holes in Deep Multiwavelength Surveys
C. Megan Urry, E. Treister
In recent years deep X-ray and infrared surveys have provided an efficient way to find accreting supermassive black holes, otherwise known as active galactic nuclei (AGN), in the y…
Clustering of Intermediate Luminosity X-ray selected AGN at z~3
Harold Francke, Eric Gawiser, Paulina Lira +6
We present the first clustering results of X-ray selected AGN at z~3. Using Chandra X-ray imaging and UVR optical colors from MUSYC photometry in the ECDF-S field, we selected a sa…
The UV colours of high-redshift early-type galaxies: evidence for recent star formation and stellar mass assembly over the last 8 billion years
S. Kaviraj, S. Khochfar, K. Schawinski +7
We combine deep UBVRIzJK photometry from the Multiwavelength Survey by Yale-Chile (MUSYC) with redshifts from the COMBO-17 survey to perform a large-scale study of the rest-frame u…
Deep Chandra and multicolor HST observations of the jets of 3C 371 and PKS 2201+044
R. M. Sambruna, D. Donato, F. Tavecchio +3
This paper presents multiwavelength imaging and broad-band spectroscopy of the relativistic jets in the two nearby radio galaxies 3C 371 and PKS 2201+044, acquired with Chandra, HS…
Ly-alpha Emission-Line Galaxies at z = 3.1 in the Extended Chandra Deep Field South
C. Gronwall, R. Ciardullo, T. Hickey +13
We describe the results of an extremely deep, 0.28 deg^2 survey for z = 3.1 Ly-alpha emission-line galaxies in the Extended Chandra Deep Field South. By using a narrow-band 5000 An…
The Multiwavelength Survey by Yale-Chile (MUSYC): Deep Near-Infrared Imaging and the Selection of Distant Galaxies
Ryan Quadri, Danilo Marchesini, Pieter van Dokkum +18
We present deep near-infrared JHK imaging of four 10'x10' fields. The observations were carried out as part of the Multiwavelength Survey by Yale-Chile (MUSYC) with ISPI on the CTI…
The Evolution of Obscuration in AGN
Ezequiel Treister, C. Megan Urry
In order to study the evolution of the relative fraction of obscured Active Galactic Nuclei (AGN) we constructed the largest sample to date of AGN selected in hard X-rays. The full…
Shedding New Light on the 3C 273 Jet with the Spitzer Space Telescope
Y. Uchiyama, C. M. Urry, C. C. Cheung +7
We have performed infrared imaging of the jet of the quasar 3C 273 at wavelengths 3.6 and 5.8 microns with the Infrared Array Camera (IRAC) on the Spitzer Space Telescope. When com…
The Physical Nature of Lyman Alpha Emitting Galaxies at z=3.1
Eric Gawiser, Pieter G. van Dokkum, Caryl Gronwall +20
We selected 40 candidate Lyman Alpha Emitting galaxies (LAEs) at z ~=3.1 with observed frame equivalent widths >150A and inferred emission line fluxes >2.5x10^-17 ergs/cm^2/s from…
Deceleration from Entrainment in the jet of the quasar 1136-135?
F. Tavecchio, L. Maraschi, R. M. Sambruna +4
Modeling the multiwavelength emission of successive regions in the jet of the quasar PKS 1136-135 we find indication that the jet suffers deceleration near its end on a (deprojecte…
Spitzer Number Counts of AGN in the GOODS fields
Ezequiel Treister, C. Megan Urry, Jeffrey Van Duyne +7
We present mid-infrared observations of AGN in the GOODS fields, performed with the Spitzer Space Telescope. These are the deepest infrared and X-ray fields to date and cover a tot…
Obscured and Unobscured AGN Evolution and the X-ray background
Ezequiel Treister, C. Megan Urry, Paulina Lira
The Great Observatories Origins Deep Survey (GOODS) combines deep HST and Spitzer imaging with the deepest Chandra/XMM observations to probe obscured AGN at higher redshifts than p…
Deep Chandra and multicolor HST follow-up of the jets in two powerful radio quasars
R. Sambruna, M. Gliozzi, D. Donato +5
We present deep (70-80 ks) Chandra and multicolor HST ACS images of two jets hosted by the powerful quasars 1136-135 and 1150+497, together with new radio observations. The sources…
The Extended Chandra Deep Field-South Survey: Optical Properties of X-ray Detected Sources
Shanil Virani, Ezequiel Treister, C. Megan Urry +2
The Extended Chandra Deep Field-South (E-CDF-S) survey consists of 4 Chandra ACIS-I pointings and covers ~1100 square arcminutes (~0.3 deg^2) centered on the original CDF-S field t…
The Multiwavelength Survey by Yale-Chile (MUSYC): Survey Design and Deep Public UBVRIz' Images and Catalogs of the Extended Hubble Deep Field South
MUSYC Collaboration, E. Gawiser, P. G. van Dokkum +25
We present UBVRIz' optical images of the 0.32 square degree Extended Hubble Deep Field South. This is one of four fields comprising the MUSYC survey, which is optimized for the stu…
Spitzer IRAC Imaging of the Relativistic Jet from Superluminal Quasar PKS 0637-752
Y. Uchiyama, C. M. Urry, J. Van Duyne +5
Emission from the relativistic jet located at hundreds of kpc from the core of the superluminal quasar PKS 0637-752 was detected at 3.6 and 5.8 microns with the Infrared Array Came…
AGN Host Galaxies at z~0.4-1.3 : Bulge-dominated and Lacking Merger-AGN Connection
N. A. Grogin, C. J. Conselice, E. Chatzichristou +13
We investigate morphological structure parameters and local environments of distant moderate-luminosity active galactic nucleus (AGN) host galaxies in the overlap between the HST/A…
Black Hole Masses and Host Galaxy Evolution of Radio-loud Active Galactic Nuclei
J. -H. Woo, C. M. Urry, R. P. van der Marel +2
We report stellar velocity dispersion measurements for a sample of 28 AGN host galaxies including our previous work. Using the mass-dispersion () and the fundamental…
The Extended Chandra Deep Field-South Survey: X-ray Point-Source Catalog
Shanil Virani, Ezequiel Treister, C. Megan Urry +1
The Extended Chandra Deep Field-South (ECDFS) survey consists of 4 Chandra ACIS-I pointings and covers 1100 square arcminutes ( 0.3 deg) centered on the orig…