Publications (78)
The miniJPAS survey: clusters and galaxy groups detection with AMICO
M. Maturi, A. Finoguenov, P. A. A. Lopes +31
Samples of galaxy clusters allow us to better understand the physics at play in galaxy formation and to constrain cosmological models once their mass, position (for clustering stud…
Creation of cosmic structure in the complex galaxy cluster merger Abell 2744
J. Merten, D. Coe, R. Dupke +15
We present a detailed strong lensing, weak lensing and X-ray analysis of Abell 2744 (z = 0.308), one of the most actively merging galaxy clusters known. It appears to have unleashe…
Unveiling the dynamical state of massive clusters through the ICL fraction
Y. Jiménez-Teja, R. Dupke, N. BenÃtez +34
We have selected a sample of eleven massive clusters of galaxies observed by the Hubble Space Telescope in order to study the impact of the dynamical state on the IntraCluster Ligh…
CLASH: z ~ 6 young galaxy candidate quintuply lensed by the frontier field cluster RXC J2248.7-4431
A. Monna, S. Seitz, N. Greisel +37
We present a quintuply lensed z ~ 6 candidate discovered in the field of the galaxy cluster RXC J2248.7-4431 (z ~ 0.348) targeted within the Cluster Lensing and Supernova survey wi…
Detecting gravitationally lensed population III galaxies with the Hubble Space Telescope and the James Webb Space Telescope
E. Zackrisson, A. Zitrin, M. Trenti +6
Small galaxies consisting entirely of population III (pop III) stars may form at high redshifts, and could constitute one of the best probes of such stars. Here, we explore the pro…
The ALMA Frontier Fields Survey. VI. Lensing-corrected 1.1mm number counts in Abell 2744, MACSJ0416.1-2403, MACSJ1149.5+2223, Abell 370 and Abell S1063
A. M. Muñoz Arancibia, J. González-López, E. Ibar +8
[abridged] Probing the faint end of the number counts at mm wavelengths is important to identify the origin of the extragalactic background light in this regime. Aided by strong gr…
Strong lensing models of eight CLASH clusters from extensive spectroscopy: accurate total mass reconstructions in the cores
G. B. Caminha, P. Rosati, C. Grillo +19
We carry out a detailed strong lensing analysis of a sub-sample of eight galaxy clusters of the CLASH survey, in the redshift range of , using exten…
The MUSIC of CLASH: predictions on the concentration-mass relation
M. Meneghetti, E. Rasia, J. Vega +42
We present the results of a numerical study based on the analysis of the MUSIC-2 simulations, aimed at estimating the expected concentration-mass relation for the CLASH cluster sam…
Free-form lens model and mass estimation of the high redshift galaxy cluster ACT-CL J0102-4915, "El Gordo"
J. M. Diego, S. Molnar, C. Cerny +7
We examine the massive colliding cluster El Gordo, one of the most massive clusters at high redshift. We use a free-form lensing reconstruction method that avoids making assumption…
Young Galaxy Candidates in the Hubble Frontier Fields IV. MACS J1149.5+2223
W. Zheng, A. Zitrin, L. Infante +11
We search for high-redshift dropout galaxies behind the Hubble Frontier Fields (HFF) galaxy cluster MACS J1149.5+2223, a powerful cosmic lens that has revealed a number of unique o…
Unbiased surveys of dust-enshrouded galaxies using ALMA
K. Kohno, S. Fujimoto, A. Tsujita +43
The ALMA lensing cluster survey (ALCS) is a 96-hr large program dedicated to uncovering and characterizing intrinsically faint continuum sources and line emitters with the assistan…
Intra Cluster Light properties in the CLASH-VLT cluster MACS J1206.2-0847
V. Presotto, M. Girardi, M. Nonino +46
We aim at constraining the assembly history of clusters by studying the intra cluster light (ICL) properties, estimating its contribution to the fraction of baryons in stars, f*, a…
The Prevalence of Galaxy Overdensities Around UV-Luminous Lyman Emitters in the Epoch of Reionization
E. Leonova, P. A. Oesch, Y. Qin +19
Before the end of the epoch of reionization, the Hydrogen in the Universe was predominantly neutral. This leads to a strong attenuation of Ly lines of galaxies in t…
Spectroscopy of the Supernova H0pe Host Galaxy at Redshift 1.78
M. Polletta, M. Nonino, B. Frye +42
Supernova (SN) H0pe was discovered as a new transient in James Webb Space Telescope (JWST) NIRCam images of the galaxy cluster PLCK G165.7+67.0 taken as part of the "Prime Extragal…
Frontier Fields Clusters: Chandra and JVLA View of the Pre-Merging Cluster MACS J0416.1-2403
G. Ogrean, R. van Weeren, C. Jones +26
Merging galaxy clusters leave long-lasting signatures on the baryonic and non-baryonic cluster constituents, including shock fronts, cold fronts, X-ray substructure, radio halos, a…
CLASH-VLT: Dissecting the Frontier Fields Galaxy Cluster MACS J0416.1-2403 with Spectra of Member Galaxies
I. Balestra, A. Mercurio, B. Sartoris +33
We present VIMOS-VLT spectroscopy of the Frontier Fields cluster MACS~J0416.1-2403 (z=0.397). Taken as part of the CLASH-VLT survey, the large spectroscopic campaign provided more…
A Census of Star-Forming Galaxies in the z~9-10 Universe based on HST+Spitzer Observations Over 19 CLASH clusters: Three Candidate z~9-10 Galaxies and Improved Constraints on the Star Formation Rate Density at z~9
R. Bouwens, L. Bradley, A. Zitrin +34
We utilise a two-color Lyman-Break selection criterion to search for z~9-10 galaxies over the first 19 clusters in the CLASH program. A systematic search yields three z~9-10 candid…
JWST/NIRCam Probes Young Star Clusters in the Reionization Era Sunrise Arc
E. Vanzella, A. Claeyssens, B. Welch +27
Star cluster formation in the early universe and their contribution to reionization remains to date largely unconstrained. Here we present JWST/NIRCam imaging of the most highly ma…
CLASH: A Census of Magnified Star-Forming Galaxies at z ~ 6-8
L. D. Bradley, A. Zitrin, D. Coe +34
We utilize 16 band Hubble Space Telescope (HST) observations of 18 lensing clusters obtained as part of the Cluster Lensing And Supernova survey with Hubble (CLASH) Multi-Cycle Tre…
CLASH: The Concentration-Mass Relation of Galaxy Clusters
J. Merten, M. Meneghetti, M. Postman +38
We present a new determination of the concentration-mass relation for galaxy clusters based on our comprehensive lensing analysis of 19 X-ray selected galaxy clusters from the Clus…
The Frontier Fields: Survey Design
J. M. Lotz, A. Koekemoer, D. Coe +39
The Frontier Fields are a director's discretionary time campaign with HST and the Spitzer Space Telescope to see deeper into the universe than ever before. The Frontier Fields comb…
PSZ2 G282.28+49.94, a recently discovered analogue of the famous Bullet Cluster
I. Bartalucci, M. Rossetti, W. Boschin +17
We present a detailed study of the gas and galaxy properties of the cluster PSZ2 G282.28+49.94 detected in the Planck all-sky survey. The intracluster medium (ICM) of this object a…
JWST spectroscopic confirmation of the Cosmic Gems arc at z=9.625 -- Insights into the small scale structure of a post-burst system
M. Messa, E. Vanzella, F. Loiacono +30
We present JWST/NIRSpec integral field spectroscopy of the Cosmic Gems arc, strongly magnified by the galaxy cluster SPT-CL J06155746. Six-hour integration using NIRSpec prism s…
Two Peculiar Fast Transients in a Strongly Lensed Host Galaxy
S. A. Rodney, I. Balestra, M. Bradac +32
A massive galaxy cluster can serve as a magnifying glass for distant stellar populations, with strong gravitational lensing exposing details in the lensed background galaxies that…
Characterizing faint galaxies in the reionization epoch: LBT confirms two L<0.2L* sources at z=6.4 behind the CLASH/Frontier Fields cluster MACS0717.5+3745
E. Vanzella, A. Fontana, A. Zitrin +18
We report the LBT/MODS1 spectroscopic confirmation of two images of faint Lyman alpha emitters at behind the Frontier Fields galaxy cluster MACSJ0717.5+3745. A wide range o…
Cosmology with supernova Encore in the strong lensing cluster MACS J01382155: photometry, cluster members, and lens mass model
S. Ertl, S. H. Suyu, S. Schuldt +23
The strongly lensed Supernova (SN) Encore at a redshift of , discovered behind the galaxy cluster MACS J01382155 at , provides a rare opportunity for time-de…
ALMA Lensing Cluster Survey: a strongly lensed multiply imaged dusty system at 6
N. Laporte, A. Zitrin, R. S. Ellis +20
We report the discovery of an intrinsically faint, quintuply-imaged, dusty galaxy MACS0600-z6 at a redshift 6.07 viewed through the cluster MACSJ0600.1-2008 (=0.46). A $\sim…
The ALMA Frontier Fields survey I: 1.1 mm continuum detections in Abell 2744, MACSJ0416.1-2403 and MACSJ1149.5+2223
J. González-López, F. E. Bauer, C. Romero-Cañizales +21
Dusty star-forming galaxies are among the most prodigious systems at high redshift (z>1), characterized by high star formation rates and huge dust reservoirs. The bright end of thi…
Young Galaxy Candidates in the Hubble Frontier Fields. I. Abell 2744
W. Zheng, X. Shu, J. Moustakas +10
We report the discovery of 24 Lyman-break candidates at 7<z<10.5, in the Hubble Frontier Fields (HFF) imaging data of Abell 2744 (z=0.308), plus Spiter/IRAC data and archival ACS d…
The ALMA Frontier Fields Survey - II. Multiwavelength Photometric analysis of 1.1mm continuum sources in Abell 2744, MACSJ0416.1-2403 and MACSJ1149.5+2223
N. Laporte, F. E. Bauer, P. Troncoso-Iribarren +32
[abridged] The Hubble and Spitzer Space Telescope surveys of the Frontier Fields (FF) provide extremely deep images around six massive, strong-lensing clusters of galaxies. The ALM…
Mass distribution in the core of MACS J1206: robust modeling from an exceptionally large sample of central multiple images
G. B. Caminha, C. Grillo, P. Rosati +24
We present a new strong lensing analysis of the galaxy cluster MACS J1206.2-0847 (MACS 1206), at z=0.44, using deep spectroscopy from CLASH-VLT and VLT/MUSE archival data in combin…
CLASH: Photometric redshifts with 16 HST bands in galaxy cluster fields
S. Jouvel, O. Host, O. Lahav +35
The Cluster Lensing And Supernovae survey with Hubble (CLASH) is an Hubble Space Telescope (HST) Multi-Cycle Treasury program observing 25 massive galaxy clusters. CLASH observatio…
Comparison of an X-ray selected sample of massive lensing clusters with the MareNostrum Universe LCDM simulation
M. Meneghetti, C. Fedeli, A. Zitrin +5
A long-standing problem of strong lensing by galaxy clusters regards the observed high rate of giant gravitational arcs as compared to the predictions in the framework of the "stan…
J-PAS: The Javalambre-Physics of the Accelerated Universe Astrophysical Survey
N. Benitez, R. Dupke, M. Moles +149
The Javalambre-Physics of the Accelerated Universe Astrophysical Survey (J-PAS) is a narrow band, very wide field Cosmological Survey to be carried out from the Javalambre Observat…
The ALMA Frontier Fields Survey - IV. Lensing-corrected 1.1 mm number counts in Abell 2744, MACSJ0416.1-2403 and MACSJ1149.5+2223
A. M. Muñoz Arancibia, J. González-López, E. Ibar +15
[abridged] Characterizing the number counts of faint, dusty star-forming galaxies is currently a challenge even for deep, high-resolution observations in the FIR-to-mm regime. They…
"Refsdal" meets Popper: comparing predictions of the re-appearance of the multiply imaged supernova behind MACSJ1149.5+2223
T. Treu, G. Brammer, J. M. Diego +25
Supernova "Refsdal," multiply imaged by cluster MACSJ1149.5+2223, represents a rare opportunity to make a true blind test of model predictions in extragalactic astronomy, on a time…
The z = 9.625 Cosmic Gems Galaxy was a "Compact Blue Monster" Propelled by Massive Star Clusters
E. Vanzella, M. Messa, A. Adamo +36
The recent discovery of five massive stellar clusters at z=9.625 in the Cosmic Gems has raised the question about the formation mechanism of star clusters in the first half Gyr aft…
SN Refsdal: Classification as a Luminous and Blue SN 1987A-like Type II Supernova
P. L. Kelly, G. Brammer, J. Selsing +19
We have acquired Hubble Space Telescope (HST) and Very Large Telescope near-infrared spectra and images of supernova (SN) Refsdal after its discovery as an Einstein cross in Fall 2…
Deja Vu All Over Again: The Reappearance of Supernova Refsdal
P. L. Kelly, S. A. Rodney, T. Treu +21
In Hubble Space Telescope (HST) imaging taken on 10 November 2014, four images of supernova (SN) "Refsdal" (redshift z=1.49) appeared in an Einstein-cross--like configuration (imag…
CLASH-VLT: Substructure in the galaxy cluster MACS J1206.2-0847 from kinematics of galaxy populations
M. Girardi, A. Mercurio, I. Balestra +35
In the effort to understand the link between the structure of galaxy clusters and their galaxy populations, we focus on MACSJ1206.2-0847 at z~0.44 and probe its substructure in the…
Young Galaxy Candidates in the Hubble Frontier Fields - III. MACSJ0717.5+3745
N. Laporte, L. Infante, P. Troncoso Iribarren +15
In this paper we present the results of our search for and study of galaxy candidates behind the third Frontier Fields (FF) cluster, MACSJ0717.5+3745, and its paralle…
CLASH: The enhanced lensing efficiency of the highly elongated merging cluster MACS J0416.1-2403
A. Zitrin, M. Meneghetti, K. Umetsu +21
We perform a strong-lensing analysis of the merging galaxy cluster MACS J0416.1-2403 (M0416; z=0.42) in recent CLASH/HST observations. We identify 70 new multiple images and candid…
Triaxial strong-lensing analysis of the z > 0.5 MACS clusters: the mass-concentration relation
M. Sereno, A. Zitrin
The high concentrations derived for several strong-lensing clusters present a major inconsistency between theoretical LambdaCDM expectations and measurements. Triaxiality and orien…
Cosmology with supernova Encore in the strong lensing cluster MACS J0138-2155: Lens model comparison and H0 measurement
S. H. Suyu, A. Acebron, C. Grillo +28
MACS J0138-2155 is the only known cluster to strongly lens two supernovae (SNe), Requiem and Encore, from the same host galaxy at z=1.949. We present seven independent mass models…
Primordial Rotating Disk Composed of 15 Dense Star-Forming Clumps at Cosmic Dawn
S. Fujimoto, M. Ouchi, K. Kohno +43
Early galaxy formation, initiated by the dark matter and gas assembly, evolves through frequent mergers and feedback processes into dynamically hot, chaotic structures. In contrast…
JWST Photometric Time-Delay and Magnification Measurements for the Triply-Imaged Type Ia "Supernova H0pe" at z = 1.78
J. D. R. Pierel, B. L. Frye, M. Pascale +60
Supernova (SN) H0pe is a gravitationally lensed, triply-imaged, Type Ia SN (SN Ia) discovered in James Webb Space Telescope imaging of the PLCK G165.7+67.0 cluster of galaxies. Wel…
Chandra and JVLA observations of HST Frontier Fields cluster MACS J0717.5+3745
R. J. van Weeren, G. A. Ogrean, C. Jones +24
To investigate the relationship between thermal and non-thermal components in merger galaxy clusters, we present deep JVLA and Chandra observations of the HST Frontier Fields clust…
Bright Strongly Lensed Galaxies at Redshift z~ 6-7 behind the Clusters Abell 1703 and CL0024+161
W. Zheng, L. D. Bradley, R. J. Bouwens +10
We report on the discovery of three bright, strongly-lensed objects behind Abell 1703 and CL0024+16 from a dropout search over 25 square arcminutes of deep NICMOS data, with deep A…
CLASH-VLT: Insights on the mass substructures in the Frontier Fields Cluster MACS J0416.1-2403 through accurate strong lens modeling
C. Grillo, S. H. Suyu, P. Rosati +25
We present a detailed mass reconstruction and a novel study on the substructure properties in the core of the CLASH and Frontier Fields galaxy cluster MACS J0416.1-2403. We show an…
Star Formation in Various Environments
N. Brosch, E. Almoznino, O. Spector +1
We describe studies of star formation in various galaxies using primarily observations from the Wise Observatory. In addition to surface photometry in the broad band UBVRI, we also…
SN Refsdal : Photometry and Time Delay Measurements of the First Einstein Cross Supernova
S. A. Rodney, L. -G. Strolger, P. L. Kelly +16
We present the first year of Hubble Space Telescope imaging of the unique supernova (SN) 'Refsdal', a gravitationally lensed SN at z=1.4880.001 with multiple images behind the…
A lensed protocluster candidate at identified in JWST observations of the galaxy cluster SMACS0723-7327
N. Laporte, A. Zitrin, H. Dole +3
According to the current paradigm of galaxy formation, the first galaxies have been likely formed within large dark matter haloes. The fragmentation of these massive haloes led to…
The Cluster Lensing and Supernova Survey with Hubble (CLASH): Strong Lensing Analysis of Abell 383 from 16-Band HST WFC3/ACS Imaging
A. Zitrin, T. Broadhurst, D. Coe +38
We examine the inner mass distribution of the relaxed galaxy cluster Abell 383 in deep 16-band HST/ACS+WFC3 imaging taken as part of the CLASH multi-cycle treasury program. Our pro…
The miniJPAS survey: a preview of the Universe in 56 colours
S. Bonoli, A. MarÃn-Franch, J. Varela +166
The Javalambre-Physics of the Accelerating Universe Astrophysical Survey (J-PAS) will soon start to scan thousands of square degrees of the northern extragalactic sky with a unique…
ALMA Lensing Cluster Survey: an ALMA galaxy signposting a MUSE galaxy group at z=4.3 behind 'El Gordo'
K. I. Caputi, G. B. Caminha, S. Fujimoto +24
We report the discovery of a Multi Unit Spectroscopic Explorer (MUSE) galaxy group at z=4.32 lensed by the massive galaxy cluster ACT-CL J0102-4915 (aka El Gordo) at z=0.87, associ…
Evidence for Ubiquitous, High-EW Nebular Emission in z~7 Galaxies: Towards a Clean Measurement of the Specific Star Formation Rate using a Sample of Bright, Magnified Galaxies
R. Smit, R. J. Bouwens, I. Labbe +30
Growing observational evidence now indicates that nebular line emission has a significant impact on the rest-frame optical fluxes of z~5-7 galaxies observed with Spitzer. This line…
The Frontier Fields Lens Modeling Comparison Project
M. Meneghetti, P. Natarajan, D. Coe +20
Gravitational lensing by clusters of galaxies offers a powerful probe of their structure and mass distribution. Deriving a lens magnification map for a galaxy cluster is a classic…
CLASH-VLT: The mass, velocity-anisotropy, and pseudo-phase-space density profiles of the z=0.44 galaxy cluster MACS 1206.2-0847
A. Biviano, P. Rosati, I. Balestra +44
We use an unprecedented data-set of about 600 redshifts for cluster members, obtained as part of a VLT/VIMOS large programme, to constrain the mass profile of the z=0.44 cluster MA…
Lensed Type Ia Supernova "Encore" at z=2: The First Instance of Two Multiply-Imaged Supernovae in the Same Host Galaxy
J. D. R. Pierel, A. B. Newman, S. Dhawan +60
A bright (=24 mag), supernova (SN) candidate was discovered in JWST/NIRCam imaging acquired on 2023 November 17. The SN is quintuply-imaged as a result o…
CLASH: Extending galaxy strong lensing to small physical scales with distant sources highly-magnified by galaxy cluster members
C. Grillo, R. Gobat, V. Presotto +35
We present a strong lensing system in which a double source is imaged 5 times by 2 early-type galaxies. We take advantage in this target of the multi-band photometry obtained as pa…
On the correlation between dark matter, intracluster light and globular cluster distribution in SMACS0723
J. M. Diego, M. Pascale, B. Frye +9
We present a free-form model of SMACS0723, the first cluster observed with JWST. This model makes no strong assumptions about the distribution of mass (mostly dark matter) in the c…
The ALMA Frontier Fields survey V: ALMA Stacking of Lyman-Break Galaxies in Abell 2744, Abell 370, Abell S1063, MACSJ0416.1-2403 and MACSJ1149.5+2223
R. Carvajal, F. E. Bauer, R. J. Bouwens +15
The Hubble Frontier Fields offer an exceptionally deep window into the high-redshift universe, covering a substantially larger area than the Hubble Ultra-Deep field at low magnific…
Precise strong lensing mass profile of the CLASH galaxy cluster MACS 2129
A. Monna, S. Seitz, I. Balestra +12
We present a detailed strong lensing (SL) mass reconstruction of the core of the galaxy cluster MACSJ 2129.4-0741 () obtained by combining high-resolution HST pho…
The discovery of radio halos in the Frontier Fields clusters Abell S1063 and Abell 370
C. Xie, R. J. van Weeren, L. Lovisari +13
Massive merging galaxy clusters often host diffuse Mpc-scale radio synchrotron emission. This emission originates from relativistic electrons in the ionized intracluster medium (IC…
The discovery of lensed radio and X-ray sources behind the Frontier Fields cluster MACS J0717.5+3745 with the JVLA and Chandra
R. J. van Weeren, G. A. Ogrean, C. Jones +24
We report on high-resolution JVLA and Chandra observations of the HST Frontier Cluster MACS J0717.5+3745. MACS J0717.5+3745 offers the largest contiguous magnified area of any know…
CLASH: Accurate Photometric Redshifts with 14 HST bands in Massive Galaxy Cluster Cores
A. Molino, N. BenÃtez, B. Ascaso +41
We present accurate photometric redshifts for galaxies observed by the Cluster Lensing and Supernova survey with Hubble (CLASH). CLASH observed 25 massive galaxy cluster cores with…
Separating Galaxies from the Cluster Dark Matter Halo in Abell 611
A. Monna, S. Seitz, M. J. Geller +7
We investigate the mass content of galaxies in the core of the galaxy cluster Abell 611. We perform a strong lensing analysis of the cluster core and use velocity dispersion measur…
Spectroscopic confirmation of a gravitationally lensed Lyman break galaxy at z = 6.827 using NOEMA
S. J. Molyneux, R. Smit, D. Schaerer +8
We present the spectroscopic confirmation of the brightest known gravitationally lensed Lyman break galaxy in the Epoch of Reionisation, A1703-zD1, through the detection of [C II]…
CLASH-VLT: spectroscopic confirmation of a z=6.11 quintuply lensed galaxy in the Frontier Fields Cluster RXC J2248.7-4431
I. Balestra, E. Vanzella, P. Rosati +41
We present VIsible Multi-Object Spectrograph (VIMOS) observations of a z 6 galaxy quintuply imaged by the Frontier Fields galaxy cluster RXC J2248.7-4431 (z=0.348). This sub-L^*, h…
CLASH-VLT: A Highly Precise Strong Lensing Model of the Galaxy Cluster RXC J2248.7-4431 (Abell S1063) and Prospects for Cosmography
G. B. Caminha, C. Grillo, P. Rosati +32
We perform a comprehensive study of the total mass distribution of the galaxy cluster RXCJ2248 () with a set of high-precision strong lensing models, which take advantage…
CLASH: New Multiple-Images Constraining the Inner Mass Profile of MACS J1206.2-0847
A. Zitrin, P. Rosati, M. Nonino +45
We present a strong-lensing analysis of the galaxy cluster MACS J1206.2-0847 (=0.44) using UV, Optical, and IR, HST/ACS/WFC3 data taken as part of the CLASH multi-cycle treasury…
Cosmology with supernova Encore in the strong lensing cluster MACS J0138-2155: Time delays & Hubble constant measurement
J. D. R. Pierel, E. E. Hayes, M. Millon +26
Multiply-imaged supernovae (SNe) provide a novel means of constraining the Hubble constant (). Such measurements require a combination of precise models of the lensing mass di…
Constraining the galaxy mass content in the core of A383 using velocity dispersion measurements for individual cluster members
A. Monna, S. Seitz, A. Zitrin +14
We use velocity dispersion measurements of 21 individual cluster members in the core of Abell 383, obtained with MMT Hectospec, to separate the galaxy and the smooth dark halo (DH)…
Through the Looking Glass: Bright, Highly Magnified Galaxy Candidates at z~7 Behind Abell 1703
L. D. Bradley, R. J. Bouwens, A. Zitrin +7
We report the discovery of seven strongly lensed Lyman break galaxy (LBG) candidates at z~7 detected in Hubble Space Telescope (HST) Wide Field Camera 3 (WFC3) imaging of Abell 170…
The ALMA Frontier Fields Survey III: 1.1 mm Emission Line Identifications in Abell 2744, MACSJ0416.1-2403, MACSJ1149.5+2223, Abell 370, and Abell S1063
J. González-López, F. E. Bauer, M. Aravena +12
Most sub-mm emission line studies of galaxies to date have targeted sources with known redshifts where the frequencies of the lines are well constrained. Recent blind line scans ci…
On the observability of individual Population III stars and their stellar-mass black hole accretion disks through cluster caustic transits
Rogier A. Windhorst, M. Alpaslan, S. Andrews +44
Recent near-IR power-spectra and panchromatic Extragalactic Background Light measurements provide upper limits on the near-IR surface brightness (SB>31 mag/arcsec^2) that may come…
CLASH: Discovery of a Bright z~6.2 Dwarf Galaxy Quadruply Lensed by MACS J0329.6-0211
A. Zitrin, J. Moustakas, L. Bradley +22
We report the discovery of a z_{phot}=6.18^{+0.05}_{-0.07} (95% confidence level) dwarf galaxy, lensed into four images by the galaxy cluster MACS J0329.6-0211 (z_{l}=0.45). The ga…
Frontier Fields Clusters: Deep Chandra Observations of the Complex Merger MACS J1149.6+2223
G. A. Ogrean, R. J. van Weeren, C. Jones +24
The HST Frontier Fields cluster MACS J1149.6+2223 is one of the most complex merging clusters, believed to consist of four dark matter halos. We present results from deep (365 ks)…