220 citations · 1.2k across the 33 of their papers we have counts for
33 papers
Nucleosynthesis of binary-stripped stars
R. Farmer, E. Laplace, Jing-ze Ma +2
The cosmic origin of the elements, the fundamental chemical building blocks of the Universe, is still uncertain. Binary interactions play a key role in the evolution of many massiv…
Extended hard X-ray emission in highly obscured AGN
Jingzhe Ma, Martin Elvis, G. Fabbiano +3
Kilo-parsec scale hard ( 3 keV) X-ray continuum and fluorescent Fe K line emission has been recently discovered in nearby Compton-thick (CT) active galactic nuclei (AGN), whi…
Close Encounters of Tight Binary Stars with Stellar-mass Black Holes
Taeho Ryu, Rosalba Perna, Ruediger Pakmor +3
Strong dynamical interactions among stars and compact objects are expected in a variety of astrophysical settings, such as star clusters and the disks of active galactic nuclei. Vi…
Gas Phase Metallicities of Local Ultra-Luminous Infrared Galaxies Follow Normal Star-Forming Galaxies
Nima Chartab, Asantha Cooray, Jingzhe Ma +9
Despite advances in observational data, theoretical models, and computational techniques to simulate key physical processes in the formation and evolution of galaxies, the stellar…
Extended X-ray Emission in Compton Thick AGN with Deep Chandra Observations
Mackenzie L Jones, K. Parker, G. Fabbiano +7
We present the spatial analysis of five Compton thick (CT) active galactic nuclei (AGNs), including MKN 573, NGC 1386, NGC 3393, NGC 5643, and NGC 7212, for which high resolution C…
A Giant Loop of Ionized Gas Emerging from the Tumultuous Central Region of IC 5063
W. Peter Maksym, Giuseppina Fabbiano, Martin Elvis +6
The biconical radiation pattern extending from an active galactic nucleus (AGN) may strongly photoionize the circumnuclear interstellar medium (ISM) and stimulate emission from the…
Spatially resolved BPT mapping of nearby Seyfert 2 galaxies
Jingzhe Ma, W. Peter Maksym, G. Fabbiano +5
We present spatially resolved BPT mapping of the extended narrow line regions (ENLRs) of seven nearby Seyfert 2 galaxies, using HST narrow band filter imaging. We construct the BPT…
Is extended hard X-ray emission ubiquitous in Compton-thick AGN?
Jingzhe Ma, Martin Elvis, G. Fabbiano +4
The recent Chandra discovery of extended kpc-scale hard ( 3 keV) X-ray emission in nearby Compton-thick (CT) active galactic nuclei (AGN) opens a new window to improving A…
Emergence of an Ultra-Red Ultra-Massive Galaxy Cluster Core at
Arianna S. Long, Asantha Cooray, Jingzhe Ma +6
Recent simulations and observations of massive galaxy cluster evolution predict that the majority of stellar mass build up happens within cluster members by , before cluster v…
Spitzer catalog of Herschel-selected ultrared dusty, star-forming galaxies
Jingzhe Ma, Asantha Cooray, Hooshang Nayyeri +24
The largest Herschel extragalactic surveys, H-ATLAS and HerMES, have selected a sample of "ultrared" dusty, star-forming galaxies (DSFGs) with rising SPIRE flux densities ($S_{500}…
Imaging the Molecular Interstellar Medium in a Gravitationally Lensed Star-forming Galaxy at z=5.7
Yordanka Apostolovski, Manuel Aravena, Timo Anguita +17
Aims: We present and study spatially resolved imaging obtained with the Atacama Large Millimeter/submillimeter Array (ALMA) of multiple CO(65, 87 and 98) and tw…
Cosmic Dawn and Reionization: Astrophysics in the Final Frontier
Asantha Cooray, James Aguirre, Yacine Ali-Haimoud +71
The cosmic dawn and epoch of reionization mark the time period in the universe when stars, galaxies, and blackhole seeds first formed and the intergalactic medium changed from neut…
Source structure and molecular gas properties from high-resolution CO imaging of SPT-selected dusty star-forming galaxies
Chenxing Dong, Justin S. Spilker, Anthony H. Gonzalez +17
We present Atacama Large Millimeter/submillimeter Array (ALMA) observations of high-J CO lines (, 7, 8) and associated dust continuum towards five strongly lensed,…
Spatially Resolved [CII] Emission in SPT0346-52: A Hyper-Starburst Galaxy Merger at z~5.7
Katrina C. Litke, Daniel P. Marrone, Justin S. Spilker +18
SPT0346-52 is one of the most most luminous and intensely star-forming galaxies in the universe, with L_FIR > 10^13 L_sol and Sigma_SFR ~ 4200 M_sol yr^-1 kpc^-2. In this paper, we…
Studying Quasar Absorber Host Galaxy Properties Using Image Stacking Technique
Bill Zhu, Yinan Zhao, Jian Ge +1
Studying the stellar mass, age, luminosity, star-formation rate, and impact parameter of quasar absorber host galaxies can aid in the understanding of galaxy formation and evolutio…
SOFIA/HAWC+ detection of a gravitationally lensed starburst galaxy at = 1.03
Jingzhe Ma, Arianna Brown, Asantha Cooray +13
We present the detection at 89 m (observed frame) of the {\it Herschel}-selected gravitationally lensed starburst galaxy HATLASJ1429-0028 (also known as G15v2.19) in 15 minutes…
A massive core for a cluster of galaxies at a redshift of 4.3
T. B. Miller, S. C. Chapman, M. Aravena +35
Massive galaxy clusters are now found as early as 3 billion years after the Big Bang, containing stars that formed at even earlier epochs. The high-redshift progenitors of these ga…
Revealing the host galaxy of a quasar 2175 Å dust absorber at z = 2.12
Jingzhe Ma, Gabriel Brammer, Jian Ge +2
We report the first detection of the host galaxy of a strong 2175 Å dust absorber at z = 2.12 towards the background quasar SDSS J121143.42+083349.7 using HST/WFC3 IR F140W dire…
Infrared Contributions of X-Ray Selected Active Galactic Nuclei in Dusty Star-Forming Galaxies
Arianna Brown, Hooshang Nayyeri, Asantha Cooray +3
We investigate the infrared contribution from supermassive black hole activity versus host galaxy emission in the mid to far-infrared (IR) spectrum for a large sample of X-ray brig…
Quasar 2175 Å dust absorbers II: Correlation analysis and relationship with other absorption line systems
Jingzhe Ma, Jian Ge, J. Xavier Prochaska +6
We present the cold neutral content (H I and C I gas) of 13 quasar 2175 Å dust absorbers (2DAs) at = 1.6 - 2.5 to investigate the correlation between the presence of the UV…
Quasar 2175 Å dust absorbers I: metallicity, depletion pattern, and kinematics
Jingzhe Ma, Jian Ge, Yinan Zhao +4
We present 13 new 2175 Å dust absorbers at z_abs = 1.0 - 2.2 towards background quasars from the Sloan Digital Sky Survey. These absorbers are examined in detail using data from th…
SPT0346-52: Negligible AGN Activity in a Compact, Hyper-starburst Galaxy at z = 5.7
Jingzhe Ma, A. H. Gonzalez, J. D. Vieira +20
We present Chandra ACIS-S and ATCA radio continuum observations of the strongly lensed dusty, star-forming galaxy SPT-S J034640-5204.9 (hereafter SPT0346-52) at = 5.656. This g…
The Optical Variability of SDSS Quasars from Multi-epoch Spectroscopy. III. A Sudden UV Cutoff in Quasar SDSS J2317+0005
Hengxiao Guo, Matthew A. Malkan, Minfeng Gu +6
We have collected near-infrared to X-ray data of 20 multi-epoch heavily reddened SDSS quasars to investigate the physical mechanism of reddening. Of these, J2317+0005 is found to b…
ALMA Imaging and Gravitational Lens Models of South Pole Telescope-Selected Dusty, Star-Forming Galaxies at High Redshifts
Justin Spilker, Daniel Marrone, Manuel Aravena +18
The South Pole Telescope has discovered one hundred gravitationally lensed, high-redshift, dusty, star-forming galaxies (DSFGs). We present 0.5" resolution 870um Atacama Large Mill…