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The statistical properties of the temperature anisotropies and polarization of the of cosmic microwave background (CMB) radiation offer a powerful probe of the physics of the early universe. In recent works a statistical procedure based…

Cosmology and Nongalactic Astrophysics · Physics 2017-03-15 M. J. Reboucas , A. Bernui

We discuss the effects of finite sky coverage and the uncertainty in extracting information about the power spectrum from experiments on small angular scales. In general the cosmic variance is enhanced by a factor of $4\pi/A$, where $A$ is…

Astrophysics · Physics 2009-10-22 Douglas Scott , Mark Srednicki , Martin White

We cross-correlate the cosmic microwave background temperature anisotropy maps from the WMAP, MAXIMA-I, and MAXIMA-II experiments. We use the cross-spectrum, which is the spherical harmonic transform of the angular two-point correlation…

This white paper addresses key challenges for the design of next-decade Cosmic Microwave Background (CMB) experiments, and for assessing their capability to extract cosmological information from CMB polarization. We focus here on the…

I explain the origin and evolution of anisotropies in the Cosmic Microwave Background (CMB) and argue that upcoming experiments will measure cosmological and fundamental parameters very accurately. Most of the paper focuses on present data,…

High Energy Physics - Phenomenology · Physics 2014-11-17 Scott Dodelson

This is the obligatory Cosmic Microwave Background review. I discuss the current status of CMB anisotropies, together with some points on the related topic of the Far-Infrared Background. We have already learned a number of important things…

Astrophysics · Physics 2007-05-23 Douglas Scott

We discuss MAXIPOL, a bolometric balloon-borne experiment designed to measure the E-mode polarization anisotropy of the cosmic microwave background radiation (CMB) on angular scales of 10 arcmin to 2 degrees. MAXIPOL is the first CMB…

Forthcoming cosmic microwave background experiments (CMB) will provide precise new tests of structure-formation theories. The geometry of the Universe may be determined robustly, and the classical cosmological parameters, such as the…

Astrophysics · Physics 2007-05-23 Marc Kamionkowski

WMAP observations have accurately determined the position of the first two peaks and dips in the CMB temperature power spectrum. These encode information on the ratio of the distance to the last scattering surface to the sound horizon at…

Astrophysics · Physics 2008-11-26 Pier Stefano Corasaniti , Alessandro Melchiorri

The Cosmic Microwave Background (CMB) is a relict of the early universe. Its perfect 2.725K blackbody spectrum demonstrates that the universe underwent a hot, ionized early phase; its anisotropy (about 80 \mu K rms) provides strong evidence…

Instrumentation and Methods for Astrophysics · Physics 2015-06-11 Paolo de Bernardis , Silvia Masi

Sparse inpainting techniques are gaining in popularity as a tool for cosmological data analysis, in particular for handling data which present masked regions and missing observations. We investigate here the relationship between sparse…

Cosmology and Nongalactic Astrophysics · Physics 2014-02-03 Stephen M. Feeney , Domenico Marinucci , Jason D. McEwen , Hiranya V. Peiris , Benjamin D. Wandelt , Valentina Cammarota

This is a solicited whitepaper for the Snowmass 2021 community planning exercise. The paper focuses on measurements and science with the Cosmic Microwave Background (CMB). The CMB is foundational to our understanding of modern physics and…

Cosmology and Nongalactic Astrophysics · Physics 2022-03-16 Clarence L. Chang , Kevin M. Huffenberger , Bradford A. Benson , Federico Bianchini , Jens Chluba , Jacques Delabrouille , Raphael Flauger , Shaul Hanany , William C. Jones , Alan J. Kogut , Jeffrey J. McMahon , Joel Meyers , Neelima Sehgal , Sara M. Simon , Caterina Umilta , Kevork N. Abazajian , Zeeshan Ahmed , Yashar Akrami , Adam J. Anderson , Behzad Ansarinejad , Jason Austermann , Carlo Baccigalupi , Denis Barkats , Darcy Barron , Peter S. Barry , Nicholas Battaglia , Eric Baxter , Dominic Beck , Amy N. Bender , Charles Bennett , Benjamin Beringue , Colin Bischoff , Lindsey Bleem , James Bock , Boris Bolliet , J Richard Bond , Julian Borrill , Thejs Brinckmann , Michael L. Brown , Erminia Calabrese , John Carlstrom , Anthony Challinor , Chihway Chang , Yuji Chinone , Susan E. Clark , William Coulton , Ari Cukierman , Francis-Yan Cyr-Racine , Shannon M. Duff , Cora Dvorkin , Alexander van Engelen , Josquin Errard , Johannes R. Eskilt , Thomas Essinger-Hileman , Giulio Fabbian , Chang Feng , Simone Ferraro , Jeffrey Filippini , Katherine Freese , Nicholas Galitzki , Eric Gawiser , Daniel Grin , Daniel Grin , Evan Grohs , Alessandro Gruppuso , Jon E. Gudmundsson , Nils W. Halverson , Jean-Christophe Hamilton , Kathleen Harrington , Sophie Henrot-Versillé , Brandon Hensley , J. Colin Hill , Adam D. Hincks , Renee Hlozek , William Holzapfel , Selim C. Hotinli , Howard Hui , Ayodeji Ibitoye , Matthew Johnson , Bradley R. Johnson , Jae Hwan Kang , Kirit S. Karkare , Lloyd Knox , John Kovac , Kenny Lau , Louis Legrand , Marilena Loverde , Philip Lubin , Yin-Zhe Ma , Tony Mroczkowski , Suvodip Mukherjee , Moritz Münchmeyer , Daisuke Nagai , Johanna Nagy , Michael Niemack , Valentine Novosad , Yuuki Omori , Giorgio Orlando , Zhaodi Pan , Laurence Perotto , Matthew A. Petroff , Levon Pogosian , Clem Pryke , Alexandra Rahlin , Marco Raveri , Christian L. Reichardt , Mathieu Remazeilles , Yoel Rephaeli , John Ruhl , Emmanuel Schaan , Sarah Shandera , Meir Shimon , Ahmed Soliman , Antony A. Stark , Glenn D. Starkman , Radek Stompor , Ritoban Basu Thakur , Cynthia Trendafilova , Matthieu Tristram , Pranjal Trivedi , Gregory Tucker , Eleonora Di Valentino , Joaquin Vieira , Abigail Vieregg , Gensheng Wang , Scott Watson , Lukas Wenzl , Edward J. Wollack , W. L. Kimmy Wu , Zhilei Xu , David Zegeye , Cheng Zhang

The Microwave Anisotropy Probe (MAP) and Planck Surveyor satellites promise to provide accurate maps of the sky at a range of frequencies and angular scales, from which it will be possible to extract estimates for cosmological parameters.…

Astrophysics · Physics 2007-05-23 Douglas Scott

Most of the cosmological information extracted from the CMB has been obtained through the power spectrum, however there is much more to be learnt from the statistical distribution of the temperature random field. We review some recent…

Astrophysics · Physics 2015-06-24 Enrique Martinez-Gonzalez

The statistics of the temperature anisotropies in the primordial cosmic microwave background radiation field provide a wealth of information for cosmology and for estimating cosmological parameters. An even more acute inference should stem…

Instrumentation and Methods for Astrophysics · Physics 2009-11-13 J. L. Starck , Y. Moudden , J. Bobin

We describe the BOOMERanG experiment, a stratospheric balloon telescope intended to measure the Cosmic Microwave Background anisotropy at angular scales between a few degrees and ten arcminutes. The experiment has been optimized for a long…

Unexpected features have been observed in the cosmic microwave background (CMB) temperature on large scales. We revisit these CMB anomalies using new foreground-cleaned CMB temperature maps derived in a companion paper from WMAP and Planck…

Cosmology and Nongalactic Astrophysics · Physics 2025-09-05 Laura Herold , Graeme E. Addison , Charles L. Bennett , Hayley C. Nofi , J. L. Weiland

Forthcoming CMB experiments will allow us to accurately investigate the power spectrum at very small scales ($\ell > 1000$). We predict the level of the primary anisotropies, given the actual CMB measurements. The secondary anisotropies…

Astrophysics · Physics 2009-11-07 N. Aghanim , P. G. Castro , A. Melchiorri , J. Silk

We impose constraints on the topology of the Universe determined from a search for matched circles in the cosmic microwave background (CMB) temperature anisotropy patterns of the 7-year WMAP data. We pay special attention to the sensitivity…

Cosmology and Nongalactic Astrophysics · Physics 2013-03-19 P. Bielewicz , A. J. Banday , K. M. Gorski

This introductory guide aims to provide insight to new researchers in the field of cosmic microwave background (CMB) map analysis on best practices for several common procedures. We will discuss common map-modifying procedures such as…

Cosmology and Nongalactic Astrophysics · Physics 2024-12-02 Raelyn Marguerite Sullivan , Lukas Tobias Hergt , Douglas Scott