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The third flight of the Medium Scale Anisotropy Measurement (MSAM1), in June 1995, observed a new strip of sky, doubling the sky coverage of the original MSAM1 dataset. MSAM1 observes with a 0.5 deg beam size in four bands from 5-20 icm.…

We present measurements of the angular power spectrum of millimeter wave anisotropies with the APEX-SZ instrument. APEX-SZ has mapped 0.8 square degrees of sky at a frequency of 150 GHz with an angular resolution of 1'. These new…

We present an analysis of the 2-point correlation function, of the X-ray Brightest Abell-type Cluster sample (XBACs; Ebeling et al. 1998) and of the cosmological constraints that it provides. If \xi(r) is modelled as a power-law, we find…

Astrophysics · Physics 2009-10-31 S. Borgani , M. Plionis , E. Kolokotronis

We correlate the positions of radio galaxies in the FIRST survey with the CMB lensing convergence estimated from the Atacama Cosmology Telescope over 470 square degrees to determine the bias of these galaxies. We remove optically…

We present a joint analysis of the CMB lensing power spectra measured from the Data Release 6 of the Atacama Cosmology Telescope and Planck PR4, cross-correlations between the ACT and Planck lensing reconstruction and galaxy clustering from…

We report multi-wavelength power spectra of diffuse Galactic dust emission from BLAST observations at 250, 350, and 500 microns in Galactic Plane fields in Cygnus X and Aquila. These submillimeter power spectra statistically quantify the…

We present the first three-frequency South Pole Telescope (SPT) cosmic microwave background (CMB) power spectra. The band powers presented here cover angular scales 2000 < ell < 9400 in frequency bands centered at 95, 150, and 220 GHz. At…

We investigate the clustering properties of ~1550 broad-line active galactic nuclei (AGNs) at <z>=0.25 detected in the ROSAT All-Sky Survey (RASS) through their measured cross-correlation function with ~46,000 Luminous Red Galaxies (LRGs)…

Cosmology and Nongalactic Astrophysics · Physics 2010-03-26 Mirko Krumpe , Takamitsu Miyaji , Alison L. Coil

We report a highly significant ($>10\sigma$) spatial correlation between galaxies with $S_{350\mu\rm m}\ge 30\,$mJy detected in the equatorial fields of the \textsl{Herschel} Astrophysical Terahertz Large Area Survey (H-ATLAS) with…

We cross-correlate the 100 um Improved Reprocessing of the IRAS Survey (IRIS) map and galaxy clusters at 0.1 < z < 0.3 in the maxBCG catalogue taken from the Sloan Digital Sky Survey, measuring an angular cross-power spectrum over multipole…

Cosmology and Nongalactic Astrophysics · Physics 2013-05-08 Adam D. Hincks , Amir Hajian , Graeme E. Addison

We explore the possibility of detecting the excess of the cosmic radio background (CRB) toward galaxy clusters due to its Compton scattering by electrons of the hot intergalactic gas. When mapping the background fluctuations at frequencies…

High Energy Astrophysical Phenomena · Physics 2024-08-06 S. A. Grebenev , R. A. Sunyaev

Large-scale fluctuations of the X-ray background are investigated using the ROSAT All-Sky Survey. The autocorrelation function of the extragalactic background at 1 keV is determined at separations 0.1 - 40 deg. We detect a significant…

Blazars, a beamed population of active galactic nuclei, radiate high-energy gamma-rays, and thus are a good target for the Gamma Ray Large Area Space Telescope (GLAST). As the blazars trace the large-scale structure of the universe, one may…

Astrophysics · Physics 2008-12-18 Shin'ichiro Ando , Eiichiro Komatsu , Takuro Narumoto , Tomonori Totani

We present constraints on cosmological and astrophysical parameters from high-resolution microwave background maps at 148 GHz and 218 GHz made by the Atacama Cosmology Telescope (ACT) in three seasons of observations from 2008 to 2010. A…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-12 Jonathan L. Sievers , Renée A. Hlozek , Michael R. Nolta , Viviana Acquaviva , Graeme E. Addison , Peter A. R. Ade , Paula Aguirre , Mandana Amiri , John William Appel , L. Felipe Barrientos , Elia S. Battistelli , Nick Battaglia , J. Richard Bond , Ben Brown , Bryce Burger , Erminia Calabrese , Jay Chervenak , Devin Crichton , Sudeep Das , Mark J. Devlin , Simon R. Dicker , W. Bertrand Doriese , Joanna Dunkley , Rolando Dünner , Thomas Essinger-Hileman , David Faber , Ryan P. Fisher , Joseph W. Fowler , Patricio Gallardo , Michael S. Gordon , Megan B. Gralla , Amir Hajian , Mark Halpern , Matthew Hasselfield , Carlos Hernández-Monteagudo , J. Colin Hill , Gene C. Hilton , Matt Hilton , Adam D. Hincks , Dave Holtz , Kevin M. Huffenberger , David H. Hughes , John P. Hughes , Leopoldo Infante , Kent D. Irwin , David R. Jacobson , Brittany Johnstone , Jean Baptiste Juin , Madhuri Kaul , Jeff Klein , Arthur Kosowsky , Judy M Lau , Michele Limon , Yen-Ting Lin , Thibaut Louis , Robert H. Lupton , Tobias A. Marriage , Danica Marsden , Krista Martocci , Phil Mauskopf , Michael McLaren , Felipe Menanteau , Kavilan Moodley , Harvey Moseley , Calvin B Netterfield , Michael D. Niemack , Lyman A. Page , William A. Page , Lucas Parker , Bruce Partridge , Reed Plimpton , Hernan Quintana , Erik D. Reese , Beth Reid , Felipe Rojas , Neelima Sehgal , Blake D. Sherwin , Benjamin L. Schmitt , David N. Spergel , Suzanne T. Staggs , Omelan Stryzak , Daniel S. Swetz , Eric R. Switzer , Robert Thornton , Hy Trac , Carole Tucker , Masao Uehara , Katerina Visnjic , Ryan Warne , Grant Wilson , Ed Wollack , Yue Zhao , Caroline Zunckel

We use the X-ray power spectrum of the ROSAT all-sky survey in the R6 band (approximately 0.9-1.3 keV) to set an upper limit on the galaxy cluster power spectrum. The cluster power spectrum is modelled with a minimum number of robust…

Astrophysics · Physics 2009-11-07 J. M. Diego , W. Sliwa , J. Silk , X. Barcons , W. Voges

The XMM-XXL Survey spans two fields of $\rm 25$ deg$^2$ each observed for more than 6Ms with XMM, which provided a sample of tens of thousands of point sources with a flux limit of $\sim 2.2 \times 10^{-15}$ and $\sim 1.4 \times 10^{-14}$…

The 2-point angular correlation function of galaxies, \wt, has been computed on equatorial fields observed with the CTIO 4m prime focus, within a total area of 2.31 deg$^2$. In the magnitude range $19\le m_R \le 21.5$, corresponding to…

Astrophysics · Physics 2009-10-28 L. Infante , D. F. de Mello , F. Menanteau

We present observations with the new 11 GHz radiometer of the COSMOSOMAS experiment at the Teide Observatory (Tenerife). The sky region between 0 deg <= RA <= 360 deg and 26 deg <= DEC 49 deg (ca. 6500 square degrees) was observed with an…