Publications (40)
AEGIS: Chandra Observation of DEEP2 Galaxy Groups and Clusters
T. Fang, B. Gerke, D. Davis +9
We present a 200 ksec Chandra observation of seven spectroscopically selected, high redshift (0.75 < z < 1.03) galaxy groups and clusters discovered by the DEEP2 Galaxy Redshift Su…
Measuring the Growth of Structure with Spectroscopically Identified Groups and Clusters
M. Davis, B. F. Gerke, A. L. Coil +6
Number counts of galaxy clusters offer a very promising probe of the Dark Energy (DE) equation-of-state parameter, . The basic goal is to measure abundances of these objects as…
AEGIS: A Panchromatic Study of IRAC-selected Extremely Red Objects with Confirmed Spectroscopic Redshifts
G. Wilson, J. S. Huang, G. G. Fazio +17
We study 87 Extremely Red Objects (EROs), selected both to have color redder than R-[3.6] = 4.0, and to have confirmed spectroscopic redshifts. Together, these two constraints resu…
Efficient generation of divergent and collimated hot electrons via a novel multi-beam two-plasmon decay and stimulated Raman scattering mechanism
K. Y. Meng, Z. H. Cai, J. Li +5
In inertial confinement fusion (ICF) implosions, the preheating risks associated with hot electrons generated by laser plasma instabilities (LPI) are contingent upon the angular ch…
A Cautionary Tale of Attenuation in Star Forming Regions
M. Molina, N. Ajgaonkar, R. Yan +5
The attenuation of light in star forming galaxies is correlated with a multitude of physical parameters including star formation rate, metallicity and total dust content. This vari…
Resonance density range of absolute two-plasmon decay instability
C. Yao, J. Li, L. Hao +4
We present a new insight into absolute two-plasmon decay (TPD) instability in nonuniform plasmas by identifying the resonance density range as the key parameter governing the growt…
Nonlinear Fluid Simulation Study of Stimulated Raman and Brillouin Scatterings in Shock Ignition
L. Hao, R. Yan, J. Li +2
We developed a new nonlinear fluid laser-plasma-instability code (FLAME) using a multi-fluid plasma model combined with full electromagnetic wave equations. The completed one-dimen…
SDSS-IV MANGA: Spatially Resolved Star Formation Main Sequence and LI(N)ER Sequence
B. C. Hsieh, Lihwai Lin, J. H. Lin +17
We present our study on the spatially resolved H_alpha and M_star relation for 536 star-forming and 424 quiescent galaxies taken from the MaNGA survey. We show that the star format…
The MaNGA Integral Field Unit Fiber Feed System for the Sloan 2.5 m Telescope
N. Drory, N. MacDonald, M. A. Bershady +22
We describe the design, manufacture, and performance of bare-fiber integral field units (IFUs) for the SDSS-IV survey MaNGA (Mapping Nearby Galaxies at APO) on the the Sloan 2.5 m…
SDSS IV MaNGA: Deep observations of extra-planar, diffuse ionized gas around late-type galaxies from stacked IFU spectra
A. Jones, G. Kauffmann, R. D'Souza +16
We have conducted a study of extra-planar diffuse ionized gas using the first year data from the MaNGA IFU survey. We have stacked spectra from 49 edge-on, late-type galaxies as a…
Observation of Self-Similarity in the Magnetic Fields Generated by the Ablative Nonlinear Rayleigh-Taylor Instability
L. Gao, P. M. Nilson, I. V. Igumenschev +10
Magnetic fields generated by the nonlinear Rayleigh-Taylor growth of laser-seeded three-dimensional broadband perturbations were measured in laser-accelerated planar targets using…
Simulation of Stimulated Brillouin Scattering and Stimulated Raman Scattering In Shock Ignition
L. Hao, J. Li, W. D. Liu +2
We study stimulated Brillouin scattering (SBS) and stimulated Raman scattering (SRS) in shock ignition by comparing fluid and PIC simulations. Under typical parameters for the OMEG…
Stellar velocity dispersions and emission line properties of SDSS-III/BOSS galaxies
D. Thomas, O. Steele, C. Maraston +24
We perform a spectroscopic analysis of 492,450 galaxy spectra from the first two years of observations of the Sloan Digital Sky Survey-III/Baryonic Oscillation Spectroscopic Survey…
The structure of the merging RCS 231953+00 Supercluster at z ~ 0.9
A. J. Faloon, T. M. A. Webb, E. Ellingson +8
The RCS 2319+00 supercluster is a massive supercluster at z=0.9 comprising three optically selected, spectroscopically confirmed clusters separated by <3 Mpc on the plane of the sk…
Two-Plasmon-Decay Instability Stimulated by a Normal- and Large-Angle-Incidence Laser Pair
C. -W. Lian, Y. Ji, R. Yan +6
The two-plasmon-decay instability (TPD) is a critical target preheating risk in direct-drive inertial confinement fusion. In this paper, TPD collectively driven by a normal-inciden…
Stellar population models based on the SDSS-IV MaStar library of stellar spectra. I. Intermediate-age/old models
C. Maraston, L. Hill, D. Thomas +14
We use the first release of the SDSS/MaStar stellar library comprising ~9000, high S/N spectra, to calculate integrated spectra of stellar population models. The models extend over…
A Stellar Mass Threshold for Quenching of Field Galaxies
M. Geha, M. Blanton, R. Yan +1
We demonstrate that dwarf galaxies (10^7 < M_stellar < 10^9 Msun) with no active star formation are extremely rare (<0.06%) in the field. Our sample is based on the NASA-Sloan Atla…
The New Swift/UVOT+MaNGA (SwiM) Value-added Catalog
M. Molina, L. Duffy, M. Eracleous +6
We present the the new Swift/UVOT+MaNGA (SwiM) catalog (SwiM_v4.1). SwiM_v4.1 is designed to study star-formation and dust attenuation within nearby galaxies given the unique overl…
The DEEP2 Galaxy Redshift Survey: The Galaxy Luminosity Function to z ~ 1
C. N. A. Willmer, S. M. Faber, D. C. Koo +20
The evolution of the B-band galaxy luminosity function is measured using a sample of more than 11,000 galaxies with spectroscopic redshifts from the DEEP2 Redshift Survey. The rest…
The Arizona CDFS Environment Survey (ACES): A Magellan/IMACS Spectroscopic Survey of the Chandra Deep Field South
Michael C. Cooper, R. Yan, M. Dickinson +8
We present the Arizona CDFS Environment Survey (ACES), a recently-completed spectroscopic redshift survey of the Chandra Deep Field South (CDFS) conducted using IMACS on the Magell…
Optofluidic light routing via analytically configuring streamlines of micro-flow
R. Yan, Y. Yang, X. Tu +3
Transformation optics (TO) is a new method to design metamaterials that can manipulate electromagnetic fields. Inspired by the traditional TO techniques which is mostly based on th…
The All-wavelength Extended Groth Strip International Survey (AEGIS) Data Sets
M. Davis, P. Guhathakurta, N. Konidaris +53
In this the first of a series of Letters, we present a description of the panchromatic data sets that have been acquired in the Extended Groth Strip region of the sky. Our survey,…
Probing the kinematic morphology-density relation of early-type galaxies with MaNGA
J. E. Greene, A. Leauthaud, E. Emsellem +17
The "kinematic" morphology-density relation for early-type galaxies posits that those galaxies with low angular momentum are preferentially found in the highest-density regions of…
The role of AGN in the colour transformation of galaxies at redshifts z~1
A. Georgakakis, K. Nandra, R. Yan +10
We explore the role of AGN in establishing and/or maintaining the bimodal colour distribution of galaxies by quenching their star-formation and hence, causing their transition from…
Resonance density range governs two-plasmon decay saturation and enables hot-electron prediction in inertial confinement fusion
C. Yao, J. Li, L. Hao +6
The saturation level of parametric instabilities critically determines their impact on fusion plasmas. We identify the resonance density range of two-plasmon decay as the critical…
P-MaNGA: Emission Lines Properties - Gas Ionisation and Chemical Abundances from Prototype Observations
F. Belfiore, R. Maiolino, K. Bundy +27
MaNGA (Mapping Nearby Galaxies at Apache Point Observatory) is a SDSS-IV survey that will obtain spatially resolved spectroscopy from 3600 Ã to 10300 Ã for a representative sample…
Role of nonlocal heat transport on the laser ablative Rayleigh-Taylor instability
Z. H. Chen, X. H. Yang, G. B. Zhang +6
Ablative Rayleigh-Taylor instability (ARTI) and nonlocal heat transport are the critical problems in laser-driven inertial confinement fusion, while their coupling with each other…
Galaxy Luminosity Functions to z~1: DEEP2 vs. COMBO-17 and Implications for Red Galaxy Formation
S. M. Faber, C. N. A. Willmer, C. Wolf +28
The DEEP2 and COMBO-17 surveys are used to study the evolution of the luminosity function of red and blue galaxies to . Schechter function fits show that, since ,…
Astro2020 Science White Paper: Making the Connection between Feedback andSpatially Resolved Emission Line Diagnostics
E. W. Pellegrini, N. Drory, Guillermo A. B. +8
Crucial progress in our understanding of star formation and feedback will depend on the ability to obtain spatially resolved spectroscopic observations of \ion{H}{ii} regions, from…
Laser-intensity-spike-dominated hot electron generation from two-plasmon decay instability driven by moderate-bandwidth pulses
C. Yao, Z. H. Cai, X. Wang +34
Our direct-drive-relevant experiments on the low-coherence Kunwu laser facility identify two-plasmon decay (TPD) as the primary source of hot electrons, and demonstrate for the fir…
Square Kilometre Array Science Data Challenge 3a: foreground removal for an EoR experiment
A. Bonaldi, P. Hartley, R. Braun +179
We present and analyse the results of the Science data challenge 3a (SDC3a, https://sdc3.skao.int/challenges/foregrounds), an EoR foreground-removal community-wide exercise organis…
Swift/UVOT+MaNGA (SwiM) Value-added Catalog
M. Molina, N. Ajgaonkar, R. Yan +5
We introduce the Swift/UVOT+MaNGA (SwiM) value added catalog, which comprises 150 galaxies that have both SDSS/MaNGA integral field spectroscopy and archival Swift/UVOT near-UV (NU…
Three-dimensional particle-in-cell modeling of parametric instabilities near the quarter-critical density in plasmas
H. Wen, A. V. Maximov, R. Yan +3
The nonlinear regime of laser-plasma interaction including both two-plasmon--decay (TPD) and stimulated Raman scattering (SRS) instabilities has been studied in three-dimensional (…
The importance of major mergers in the build up of stellar mass in brightest cluster galaxies at z=1
C. Lidman, G. Iacobuta, A. E. Bauer +22
Recent independent results from numerical simulations and observations have shown that brightest cluster galaxies (BCGs) have increased their stellar mass by a factor of almost two…
Convective Nature of the Stimulated Raman Side Scattering in Inertial Confinement Fusion
F. -X. Zhou, C. -W. Lian, R. Yan +4
The absolute growth of Stimulated Raman side scattering (SRSS) predicted by previous theories appeared to be surprisingly absent in the recent ignition-scale direct-drive experimen…
FOBOS: A Next-Generation Spectroscopic Facility at the W. M. Keck Observatory
K. Bundy, K. Westfall, N. MacDonald +38
High-multiplex and deep spectroscopic follow-up of upcoming panoramic deep-imaging surveys like LSST, Euclid, and WFIRST is a widely recognized and increasingly urgent necessity. N…
Anomalous hot electron generation from two-plasmon decay instability driven by broadband laser pulses with intensity modulations
C. Yao, J. Li, L. Hao +5
We investigate the hot electrons generated from two-plasmon decay (TPD) instability driven by laser pulses with intensity modulated by a frequency . Our primary focus lies…
The Effects of an AGN on Host Galaxy Colour and Morphology Measurements
C. M. Pierce, J. M. Lotz, J. R. Primack +11
We assess the effects of simulated active galactic nuclei (AGNs) on the colour and morphology measurements of their host galaxies. To test the morphology measurements, we select a…
Density modulation-induced absolute laser-plasma-instabilities: simulations and theory
J. Li, R. Yan, C. Ren
Fluid simulations show that when a sinusoidal density modulation is superimposed on a linear density profile, convective instabilities can become absolutely unstable. This conversi…
SDSS-IV MaNGA: Uncovering the Angular Momentum Content of Central and Satellite Early-type Galaxies
Jenny E. Greene, Alexie Leauthaud, Eric Emsellem +18
We study 379 central and 159 satellite early-type galaxies with two-dimensional kinematics from the integral-field survey Mapping Nearby Galaxies at APO (MaNGA) to determine how th…