Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- University of California, Los AngelesUS2.2k papers
- Texas A&M UniversityUS2.2k papers
- Fermi National Accelerator LaboratoryUS2.1k papers
- The Ohio State UniversityUS2.1k papers
- Purdue University West LafayetteUS2.1k papers
- California Institute of TechnologyUS2k papers
- Centre National de la Recherche ScientifiqueFR2k papers
- Massachusetts Institute of TechnologyUS1.9k papers
- University of California, Santa BarbaraUS1.9k papers
- Johns Hopkins UniversityUS1.9k papers
- University of Wisconsin–MadisonUS1.8k papers
- Wayne State UniversityUS1.8k papers
482 papers · 1 filter
MAGIC Observations of PG 1553+113 during a Multiwavelength Campaign in July 2006
MAGIC Collaboration, Albert
The active galactic nucleus PG 1553+113 was observed by the MAGIC telescope in July 2006 during a multiwavelength campaign, in which telescopes in the optical, X-ray, and very high…
The June 2008 flare of Markarian 421 from optical to TeV energies
The Agile Collaboration, Webt Collaboration, Magic Collaboration +2
We present optical, X-ray, high energy ( GeV) and very high energy ( GeV; VHE) observations of the high-frequency peaked blazar Mrk 421 taken betwee…
Improving the performance of the single-dish Cherenkov telescope MAGIC through the use of signal timing
MAGIC Collaboration
The Cherenkov light flashes produced by Extensive Air Showers are very short in time. A high bandwidth and fast digitizing readout, therefore, can minimize the influence of the bac…
Exploring Parameter Constraints on Quintessential Dark Energy: the Inverse Power Law Model
Mark Yashar, Brandon Bozek, Augusta Abrahamse +2
We report on the results of a Markov Chain Monte Carlo (MCMC) analysis of an inverse power law (IPL) quintessence model using the Dark Energy Task Force (DETF) simulated data sets…
MAGIC upper limits to the VHE gamma-ray flux of 3C454.3 in high emission state
H. Anderhub, S. Vercellone, I. Donnarumma +2
We report upper limits to the very high energy flux (E>100 GeV) of the flat spectrum radio quasar 3C454.3 (z=0.859) derived by the Cherenkov telescope MAGIC during the high states…
Probing Spectroscopic Variability of Galaxies & Narrow-Line Active Galactic Nuclei in the Sloan Digital Sky Survey
Ching-Wa Yip, Andrew Connolly, Daniel Vanden Berk +10
Under the unified model for active galactic nuclei (AGNs), narrow-line (Type 2) AGNs are, in fact, broad-line (Type 1) AGNs but each with a heavily obscured accretion disk. We woul…
Parametrization and Classification of 20 Billion LSST Objects: Lessons from SDSS
Z. Ivezic, T. Axelrod, A. C. Becker
The Large Synoptic Survey Telescope (LSST) will be a large, wide-field ground-based system designed to obtain, starting in 2015, multiple images of the sky that is visible from Cer…
Evolution of the Color-Magnitude Relation in Galaxy Clusters at z ~1 from the ACS Intermediate Redshift Cluster Survey
Simona Mei, Brad P. Holden, John P. Blakeslee +10
We apply detailed observations of the Color-Magnitude Relation (CMR) with the ACS/HST to study galaxy evolution in eight clusters at z~1. The early-type red sequence is well define…
Dark Matter in the Galaxy Cluster CL J1226+3332 at Z=0.89
M. J. Jee, J. A. Tyson
We present a weak-lensing analysis of the galaxy cluster CL J1226+3332 at z=0.89 using Hubble Space Telescope Advanced Camera for Surveys images. The cluster is the hottest (>10 ke…
Discovery of a very high energy gamma-ray signal from the 3C 66A/B region
MAGIC Collaboration, E. Aliu
The MAGIC telescope observed the region around the distant blazar 3C 66A for 54.2 h in 2007 August-December. The observations resulted in the discovery of a gamma-ray source at ene…
Determining Star Formation Rates for Infrared Galaxies
G. H. Rieke, A. Alonso-Herrero, B. J. Weiner +5
We show that measures of star formation rates (SFRs) for infrared galaxies using either single-band 24 um or extinction-corrected Paschen-alpha luminosities are consistent in the t…
Upper Limits on the VHE gamma-ray Emission from the Willman 1 Satellite Galaxy with the MAGIC telescope
MAGIC Collaboration, E. Aliu
We present the result of the observation of the ultrafaint dwarf galaxy Willman 1 performed with the 17 m MAGIC telescope during 15.5 hr between March and May 2008. No significant…
A measurement of large-scale peculiar velocities of clusters of galaxies: results and cosmological implications
A. Kashlinsky, F. Atrio-Barandela, D. Kocevski +1
Peculiar velocities of clusters of galaxies can be measured by studying the fluctuations in the cosmic microwave background (CMB) generated by the scattering of the microwave photo…
Properties of Galaxies Hosting X-ray Selected Active Galactic Nuclei in the Cl1604 Supercluster at z=0.9
Dale D. Kocevski, Lori M. Lubin, Brian C. Lemaux +4
To investigate the role of feedback from Active Galactic Nuclei (AGN) in driving the evolution of their host galaxies, we have carried out a study of the environments and optical p…
A measurement of large-scale peculiar velocities of clusters of galaxies: technical details
A. Kashlinsky, F. Atrio-Barandela, D. Kocevski +1
This paper presents detailed analysis of large-scale peculiar motions derived from a sample of ~ 700 X-ray clusters and cosmic microwave background (CMB) data obtained with WMAP. W…
The Observations of Redshift Evolution in Large Scale Environments (ORELSE) Survey : I. The Survey Design and First Results on Cl 0023+0423 at z = 0.84 and RX J1821.6+6827 at z = 0.82
L. M. Lubin, R. R. Gal, B. C. Lemaux +2
We present the Observations of Redshift Evolution in Large Scale Environments (ORELSE) survey, a systematic search for structure on scales greater than 10 Mpc around 20 well-known…
Five New High-Redshift Quasar Lenses from the Sloan Digital Sky Survey
Naohisa Inada, Masamune Oguri, Min-Su Shin +7
We report the discovery of five gravitationally lensed quasars from the Sloan Digital Sky Survey (SDSS). All five systems are selected as two-image lensed quasar candidates from a…
The FIRST-2MASS Red Quasar Survey II: An anomalously high fraction of LoBALs in searches for dust-reddened quasars
Tanya Urrutia, Robert H. Becker, Richard L. White +4
We present results on a survey to find extremely dust-reddened Type-1 Quasars. Combining the FIRST radio survey, the 2MASS Infrared Survey and the Sloan Digital Sky Survey, we have…
LSST and the Dark Sector: Image Processing Challenges
J. A. Tyson, C. Roat, J. Bosch +1
Next generation probes of dark matter and dark energy require high precision reconstruction of faint galaxy shapes from hundreds of dithered exposures. Current practice is to stack…
The Environmental Dependence of Properties of Galaxies around the RDCSJ0910+54 Cluster at z=1.1
M. Tanaka, A. Finoguenov, T. Kodama +6
(Abridged) We report on the environmental dependence of properties of galaxies around the RDCSJ0910+54 cluster at z=1.1. We have obtained multi-band wide-field images of the cluste…
First bounds on the high-energy emission from isolated Wolf-Rayet binary systems
MAGIC Collaboration, E. Aliu
High-energy gamma-ray emission is theoretically expected to arise in tight binary star systems (with high mass loss and high velocity winds), although the evidence of this relation…
The TEXES Survey For H2 Emission From Protoplanetary Disks
M. A. Bitner, M. J. Richter, J. H. Lacy +9
We report the results of a search for pure rotational molecular hydrogen emission from the circumstellar environments of young stellar objects with disks using the Texas Echelon Cr…
Spectral, Spatial, and Time properties of the hydrogen nebula around exoplanet HD209458b
Lotfi Ben-Jaffel
All far ultraviolet observations of HD209458 tend to support a scenario in which the inflated hydrogen atmosphere of its planetary companion strongly absorbs the stellar \lya flux…
The DEEP2 Redshift Survey: Lyman Alpha Emitters in the Spectroscopic Database
Marcin Sawicki, Brian C. Lemaux, Puragra Guhathakurta +7
We present the first results of a search for Lyman-alpha emitters (LAEs) in the DEEP2 spectroscopic database that uses a search technique that is different from but complementary t…