Publications (39)
The HST See Change Program: I. Survey Design, Pipeline, and Supernova Discoveries
Brian Hayden, David Rubin, Kyle Boone +53
The See Change survey was designed to make cosmological measurements by efficiently discovering high-redshift Type Ia supernovae (SNe Ia) and improving cluster mass measureme…
First Weak-lensing Results from "See Change": Quantifying Dark Matter in the Two Z>1.5 High-redshift Galaxy Clusters SPT-CL J2040-4451 and IDCS J1426+3508
M. James Jee, Jongwan Ko, Saul Perlmutter +4
We present a weak-lensing study of SPT-CLJ2040-4451 and IDCSJ1426+3508 at z=1.48 and 1.75, respectively. The two clusters were observed in our "See Change" program, a HST survey of…
The Massive and Distant Clusters of WISE Survey IX: High Radio Activity in a Merging Cluster
Emily Moravec, Anthony Gonzalez, Simon Dicker +18
We present a multi-wavelength investigation of the radio galaxy population in the galaxy cluster MOO J1506+5137 at =1.090.03, which in previous work we identified as having…
The Massive and Distant Clusters of WISE Survey IV: The Distribution of Active Galactic Nuclei in Galaxy Clusters at
Wenli Mo, Anthony Gonzalez, Daniel Stern +6
We present an analysis of the radial distribution of Active Galactic Nuclei (AGN) in galaxy clusters from the Massive and Distant Clusters of {\it WISE} Survey (MaDCoWS). Ma…
Megaparsec-scale structure around the proto-cluster core SPT234956 at
Ryley Hill, Scott Chapman, Douglas Scott +20
We present an extensive ALMA spectroscopic follow-up programme of the structure SPT234956, one of the most actively star-forming proto-cluster cores known, to iden…
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…
Astro2020 Project White Paper: PolyOculus -- Low-cost Spectroscopy for the Community
Stephen S. Eikenberry, Misty Bentz, Anthony Gonzalez +6
As astronomy moves into the era of large-scale time-domain surveys, we are seeing a flood of new transient and variable sources which will reach biblical proportions with the adven…
Strong PAH Emission from z~2 ULIRGs
Vandana Desai, B. T. Soifer, Arjun Dey +15
Using the Infrared Spectrograph on board the Spitzer Space Telescope, we present low-resolution (64 < lambda / dlambda < 124), mid-infrared (20-38 micron) spectra of 23 high-redshi…
The Massive and Distant Clusters of WISE Survey: SZ effect Verification with the Atacama Compact Array -- Localization and Cluster Analysis
Luca Di Mascolo, Tony Mroczkowski, Eugene Churazov +9
The Massive and Distant Clusters of WISE Survey (MaDCoWS) provides a catalog of high-redshift () infrared-selected galaxy clusters. However, the verifica…
A New Era in Extragalactic Background Light Measurements: The Cosmic History of Accretion, Nucleosynthesis and Reionization
Asantha Cooray, Alexandre Amblard, Charles Beichman +52
(Brief Summary) What is the total radiative content of the Universe since the epoch of recombination? The extragalactic background light (EBL) spectrum captures the redshifted ener…
EzGal: A Flexible Interface for Stellar Population Synthesis Models
Conor Mancone, Anthony Gonzalez
We present EzGal, a flexible python program designed to easily generate observable parameters (magnitudes, colors, mass-to-light ratios) for any stellar population synthesis (SPS)…
STROBE-X: X-ray Timing and Spectroscopy on Dynamical Timescales from Microseconds to Years
Paul S. Ray, Zaven Arzoumanian, David Ballantyne +155
We present the Spectroscopic Time-Resolving Observatory for Broadband Energy X-rays (STROBE-X), a probe-class mission concept selected for study by NASA. It combines huge collectin…
An Extremely Bright QSO at
Sarik Jeram, Anthony Gonzalez, Stephen Eikenberry +4
We report the discovery and confirmation of a bright quasi-stellar object (QSO), 2MASS J13260399+7023462, at . This QSO is the first spectroscopically confirmed candidate…
Observing Galaxy Evolution in the Context of Large-Scale Structure
Mark Dickinson, Yun Wang, James Bartlett +26
Galaxies form and evolve in the context of their local and large-scale environments. Their baryonic content that we observe with imaging and spectroscopy is intimately connected to…
Addressing Decadal Survey Science through Community Access to Highly Multiplexed Spectroscopy with BigBOSS on the KPNO Mayall Telescope
Caty Pilachowski, Carles Badenes, Stephen Bailey +87
This document summarizes the results of a community-based discussion of the potential science impact of the Mayall+BigBOSS highly multiplexed multi-object spectroscopic capability.…
FLAMINGOS-2: The Facility Near-Infrared Wide-field Imager & Multi-Object Spectrograph for Gemini
Stephen Eikenberry, Richard Elston, S. Nicholas Raines +24
We report on the design and status of the FLAMINGOS-2 instrument - a fully-cryogenic facility near-infrared imager and multi-object spectrograph for the Gemini 8-meter telescopes.…
Extended Lyman- emission towards the SPT2349-56 protocluster at
Yordanka Apostolovski, Manuel Aravena, Timo Anguita +20
Context. Deep spectroscopic surveys with the Atacama Large Millimeter/submillimeter Array (ALMA) have revealed that some of the brightest infrared sources in the sky correspond to…
Evidence for environmental effects in the protocluster core SPT234956
Chayce Hughes, Ryley Hill, Scott Chapman +16
We present ALMA observations of the [CI] 492 and 806GHz fine-structure lines in 25 dusty star-forming galaxies (DSFGs) at in the core of the SPT234956 protoclu…
Star Formation and AGN Activity in Galaxy Clusters from : a Multi-wavelength Analysis Featuring /PACS
Stacey Alberts, Alexandra Pope, Mark Brodwin +11
We present a detailed, multi-wavelength study of star formation (SF) and AGN activity in 11 near-infrared (IR) selected, spectroscopically confirmed, massive ($\gtrsim10^{14}\,\rm{…
Research Science and Education: The NSF's Astronomy and Astrophysics Postdoctoral Fellowship
Dara Norman, Marcel Agueros, Timothy M. Brown +29
The NSF's Astronomy and Astrophysics Postdoctoral Fellowship (AAPF) is exceptional among the available postdoctoral awards in Astronomy and Astrophysics. The fellowship is one of t…
Kinematic analysis of galaxies in the SPT234956 protocluster core
Aparna Venkateshwaran, Axel Weiss, Nikolaus Sulzenauer +10
SPT234956 is a protocluster discovered in the 2500 deg South Pole Telescope (SPT) survey. In this paper, we study the kinematics of the galaxies found in the core of SPT2349…
Astro2020 White Paper: A Direct Measure of Cosmic Acceleration
Stephen Eikenberry, Anthony Gonzalez, Jeremy Darling +8
Nearly a century after the discovery that we live in an expanding Universe, and two decades after the discovery of accelerating cosmic expansion, there remains no direct detection…
The Near-Infrared Sky Surveyor
Daniel Stern, James G. Bartlett, Mark Brodwin +11
[NIRSS is one of three concepts that contributed to the Wide-Field Infrared Survey Telescope (WFIRST) mission advocated by the Decadal Survey.] Operating beyond the reaches of the…
Illuminating Galaxy Evolution at Cosmic Noon with ISCEA: the Infrared Satellite for Cosmic Evolution Astrophysics
Yun Wang, Lee Armus, Andrew Benson +18
ISCEA (Infrared Satellite for Cosmic Evolution Astrophysics) is a small astrophysics mission whose Science Goal is to discover how galaxies evolved in the cosmic web of dark matter…
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…
Rapid build-up of the stellar content in the protocluster core SPT234956 at
Ryley Hill, Scott Chapman, Kedar A. Phadke +22
The protocluster SPT234956 at contains one of the most actively star-forming cores known, yet constraints on the total stellar mass of this system are highly uncer…
Weak lensing mass reconstruction of the interacting cluster 1E0657-558: Direct evidence for the existence of dark matter
Douglas Clowe, Anthony Gonzalez, Maxim Markevitch
We present a weak lensing mass reconstruction of the interacting cluster 1E0657-558 in which we detect both the main cluster and a sub-cluster. The sub-cluster is identified as a s…
The Massive and Distant Clusters of WISE Survey. VIII. Radio Activity in Massive Galaxy Clusters
Wenli Mo, Anthony Gonzalez, Mark Brodwin +6
We present a study of the central radio activity of galaxy clusters at high redshift. Using a large sample of galaxy clusters at from the Massive and Distant Clusters o…
The nature of the [CII] emission in dusty star-forming galaxies from the SPT survey
Bitten Gullberg, Carlos De Breuck, Joaquin Vieira +24
We present [CII] observations of 20 strongly lensed dusty star forming galaxies at 2.1 < z < 5.7 using APEX and Herschel. The sources were selected on their 1.4 mm flux (S_1.4mm >…
Overdensities of Submillimetre-Bright Sources around Candidate Protocluster Cores Selected from the South Pole Telescope Survey
George Wang, Ryley Hill, S. C. Chapman +19
We present APEX-LABOCA 870 micron observations of the fields surrounding the nine brightest, high-redshift, unlensed objects discovered in the South Pole Telescope's (SPT) 2500 squ…
The Clustering of Extremely Red Objects
David P. Palamara, Michael J. I. Brown, Buell T. Jannuzi +10
We measure the clustering of Extremely Red Objects (EROs) in ~8 deg^2 of the NOAO Deep Wide Field Survey Boötes field in order to establish robust links between ERO z~1.2 and loca…
The BUFFALO HST Survey
Charles L. Steinhardt, Mathilde Jauzac, Ana Acebron +91
The Beyond Ultra-deep Frontier Fields and Legacy Observations (BUFFALO) is a 101 orbit + 101 parallel Cycle 25 Hubble Space Telescope Treasury program taking data from 2018-2020. B…
Astro2020 Project White Paper: The Cosmic Accelerometer
Stephen S. Eikenberry, Anthony Gonzalez, Jeremy Darling +15
We propose an experiment, the Cosmic Accelerometer, designed to yield velocity precision of cm/s with measurement stability over years to decades. The first-phase Cosmic A…
On the Origin of Intracluster Light in Massive Galaxy Clusters
Tahlia DeMaio, Anthony Gonzalez, Ann Zabludoff +2
We present a pilot study on the origin and assembly history of the ICL for four galaxy clusters at 0.44<z<0.57 observed with the Hubble Space Telescope from the Cluster Lensing and…
Bright [CII]158m Streamers as a Beacon for Giant Galaxy Formation in SPT234956 at
Nikolaus Sulzenauer, Axel WeiÃ, Ryley Hill +17
Observations of extreme starbursts, often located in the cores of protoclusters, challenge the classical bottom-up galaxy formation paradigm. Giant elliptical galaxies at mus…
Spectroscopic confirmation of the galaxy clusters CARLA J0950+2743 at z=2.363, and CARLA-Ser J0950+2743 at z=2.243
Kirill A. Grishin, Simona Mei, Igor V. Chilingarian +6
Galaxy clusters, being the largest gravitationally bound structures in the Universe, are a powerful tool to study mass assembly at different epochs. At z2 they give an unique op…
Forecasting cosmic acceleration measurements using the Lyman- forest
Chenxing Dong, Anthony Gonzalez, Stephen Eikenberry +5
We present results from end-to-end simulations of observations designed to constrain the rate of change in the expansion history of the Universe using the redshift drift of the Lym…
A Candidate Dual AGN at z=1.175
R. Scott Barrows, Daniel Stern, Kristin Madsen +10
The X-ray source CXOXBJ142607.6+353351 (CXOJ1426+35), which was identified in a 172 ks Chandra image in the Bootes field, shows double-peaked rest-frame optical/UV emission lines,…
Infall, the Butcher-Oemler Effect, and the Descendants of Blue Cluster Galaxies at z~0.6
Kim-Vy H. Tran, Pieter van Dokkum, Garth D. Illingworth +3
Using wide-field HST/WFPC2 imaging and extensive Keck/LRIS spectroscopy, we present a detailed study of the galaxy populations in MS2053--04, a massive, X-ray luminous cluster at z…