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200 papers
We present a cosmic microwave background (CMB) lensing power spectrum analysis using daytime data (11am-11pm UTC) gathered by the Atacama Cosmology Telescope (ACT) over the period 2017-2022 (ACT Data Release 6). This dataset is challenging…
Cosmology and Nongalactic Astrophysics · Physics
2025-11-21
Irene Abril-Cabezas , Frank J. Qu , Joshua Kim , Mathew S. Madhavacheril , Karen Perez-Sarmiento , Zachary Atkins , Erminia Calabrese , Anthony Challinor , Mark J. Devlin , Adriaan J. Duivenvoorden , Jo Dunkley , Alexander van Engelen , Simone Ferraro , Emily Finson , Carlos Hervías-Caimapo , Matt Hilton , Arthur Kosowsky , Aleksandra Kusiak , Thibaut Louis , Niall MacCrann , Kavilan Moodley , Toshiya Namikawa , Sigurd Naess , Lyman A. Page , Adrien La Posta , Emmanuel Schaan , Neelima Sehgal , Blake D. Sherwin , Carlos E. Sierra , Cristóbal Sifón , Suzanne T. Staggs , Emilie Storer , Edward J. Wollack
We present cosmological constraints from a gravitational lensing mass map covering 9400 sq. deg. reconstructed from CMB measurements made by the Atacama Cosmology Telescope (ACT) from 2017 to 2021. In combination with BAO measurements (from…
Cosmology and Nongalactic Astrophysics · Physics
2024-08-14
Mathew S. Madhavacheril , Frank J. Qu , Blake D. Sherwin , Niall MacCrann , Yaqiong Li , Irene Abril-Cabezas , Peter A. R. Ade , Simone Aiola , Tommy Alford , Mandana Amiri , Stefania Amodeo , Rui An , Zachary Atkins , Jason E. Austermann , Nicholas Battaglia , Elia Stefano Battistelli , James A. Beall , Rachel Bean , Benjamin Beringue , Tanay Bhandarkar , Emily Biermann , Boris Bolliet , J Richard Bond , Hongbo Cai , Erminia Calabrese , Victoria Calafut , Valentina Capalbo , Felipe Carrero , Anthony Challinor , Grace E. Chesmore , Hsiao-mei Cho , Steve K. Choi , Susan E. Clark , Rodrigo Córdova Rosado , Nicholas F. Cothard , Kevin Coughlin , William Coulton , Kevin T. Crowley , Roohi Dalal , Omar Darwish , Mark J. Devlin , Simon Dicker , Peter Doze , Cody J. Duell , Shannon M. Duff , Adriaan J. Duivenvoorden , Jo Dunkley , Rolando Dünner , Valentina Fanfani , Max Fankhanel , Gerrit Farren , Simone Ferraro , Rodrigo Freundt , Brittany Fuzia , Patricio A. Gallardo , Xavier Garrido , Jahmour Givans , Vera Gluscevic , Joseph E. Golec , Yilun Guan , Kirsten R. Hall , Mark Halpern , Dongwon Han , Ian Harrison , Matthew Hasselfield , Erin Healy , Shawn Henderson , Brandon Hensley , Carlos Hervías-Caimapo , J. Colin Hill , Gene C. Hilton , Matt Hilton , Adam D. Hincks , Renée Hložek , Shuay-Pwu Patty Ho , Zachary B. Huber , Johannes Hubmayr , Kevin M. Huffenberger , John P. Hughes , Kent Irwin , Giovanni Isopi , Hidde T. Jense , Ben Keller , Joshua Kim , Kenda Knowles , Brian J. Koopman , Arthur Kosowsky , Darby Kramer , Aleksandra Kusiak , Adrien La Posta , Alex Lague , Victoria Lakey , Eunseong Lee , Zack Li , Michele Limon , Martine Lokken , Thibaut Louis , Marius Lungu , Amanda MacInnis , Diego Maldonado , Felipe Maldonado , Maya Mallaby-Kay , Gabriela A. Marques , Jeff McMahon , Yogesh Mehta , Felipe Menanteau , Kavilan Moodley , Thomas W. Morris , Tony Mroczkowski , Sigurd Naess , Toshiya Namikawa , Federico Nati , Laura Newburgh , Andrina Nicola , Michael D. Niemack , Michael R. Nolta , John Orlowski-Scherer , Lyman A. Page , Shivam Pandey , Bruce Partridge , Heather Prince , Roberto Puddu , Federico Radiconi , Naomi Robertson , Felipe Rojas , Tai Sakuma , Maria Salatino , Emmanuel Schaan , Benjamin L. Schmitt , Neelima Sehgal , Shabbir Shaikh , Carlos Sierra , Jon Sievers , Cristóbal Sifón , Sara Simon , Rita Sonka , David N. Spergel , Suzanne T. Staggs , Emilie Storer , Eric R. Switzer , Niklas Tampier , Robert Thornton , Hy Trac , Jesse Treu , Carole Tucker , Joel Ullom , Leila R. Vale , Alexander Van Engelen , Jeff Van Lanen , Joshiwa van Marrewijk , Cristian Vargas , Eve M. Vavagiakis , Kasey Wagoner , Yuhan Wang , Lukas Wenzl , Edward J. Wollack , Zhilei Xu , Fernando Zago , Kaiwen Zheng
We carry out a comprehensive hierarchical multi-scale morphological analysis to search for anomalous behaviour in the large scale matter distribution using convergence map provided by the Atacama Cosmology Telescope (ACT) Data Release 6. We…
Cosmology and Nongalactic Astrophysics · Physics
2025-03-25
Masroor Bashir , Nidharssan S , Pravabati Chingangbam , Fazlu Rahman , Priya Goyal , Stephen Appleby , Changbom Park
Observations of the millimeter sky contain valuable information on a number of signals, including the blackbody cosmic microwave background (CMB), Galactic emissions, and the Compton-$y$ distortion due to the thermal Sunyaev-Zel'dovich…
Cosmology and Nongalactic Astrophysics · Physics
2023-07-06
William R. Coulton , Mathew S. Madhavacheril , Adriaan J. Duivenvoorden , J. Colin Hill , Irene Abril-Cabezas , Peter A. R. Ade , Simone Aiola , Tommy Alford , Mandana Amiri , Stefania Amodeo , Rui An , Zachary Atkins , Jason E. Austermann , Nicholas Battaglia , Elia Stefano Battistelli , James A. Beall , Rachel Bean , Benjamin Beringue , Tanay Bhandarkar , Emily Biermann , Boris Bolliet , J Richard Bond , Hongbo Cai , Erminia Calabrese , Victoria Calafut , Valentina Capalbo , Felipe Carrero , Grace E. Chesmore , Hsiao-mei Cho , Steve K. Choi , Susan E. Clark , Rodrigo Córdova Rosado , Nicholas F. Cothard , Kevin Coughlin , Kevin T. Crowley , Mark J. Devlin , Simon Dicker , Peter Doze , Cody J. Duell , Shannon M. Duff , Jo Dunkley , Rolando Dünner , Valentina Fanfani , Max Fankhanel , Gerrit Farren , Simone Ferraro , Rodrigo Freundt , Brittany Fuzia , Patricio A. Gallardo , Xavier Garrido , Jahmour Givans , Vera Gluscevic , Joseph E. Golec , Yilun Guan , Mark Halpern , Dongwon Han , Matthew Hasselfield , Erin Healy , Shawn Henderson , Brandon Hensley , Carlos Hervías-Caimapo , Gene C. Hilton , Matt Hilton , Adam D. Hincks , Renée Hložek , Shuay-Pwu Patty Ho , Zachary B. Huber , Johannes Hubmayr , Kevin M. Huffenberger , John P. Hughes , Kent Irwin , Giovanni Isopi , Hidde T. Jense , Ben Keller , Joshua Kim , Kenda Knowles , Brian J. Koopman , Arthur Kosowsky , Darby Kramer , Aleksandra Kusiak , Adrien La Posta , Victoria Lakey , Eunseong Lee , Zack Li , Yaqiong Li , Michele Limon , Martine Lokken , Thibaut Louis , Marius Lungu , Niall MacCrann , Amanda MacInnis , Diego Maldonado , Felipe Maldonado , Maya Mallaby-Kay , Gabriela A. Marques , Joshiwa van Marrewijk , Fiona McCarthy , Jeff McMahon , Yogesh Mehta , Felipe Menanteau , Kavilan Moodley , Thomas W. Morris , Tony Mroczkowski , Sigurd Naess , Toshiya Namikawa , Federico Nati , Laura Newburgh , Andrina Nicola , Michael D. Niemack , Michael R. Nolta , John Orlowski-Scherer , Lyman A. Page , Shivam Pandey , Bruce Partridge , Heather Prince , Roberto Puddu , Frank J. Qu , Federico Radiconi , Naomi Robertson , Felipe Rojas , Tai Sakuma , Maria Salatino , Emmanuel Schaan , Benjamin L. Schmitt , Neelima Sehgal , Shabbir Shaikh , Blake D. Sherwin , Carlos Sierra , Jon Sievers , Cristóbal Sifón , Sara Simon , Rita Sonka , David N. Spergel , Suzanne T. Staggs , Emilie Storer , Eric R. Switzer , Niklas Tampier , Robert Thornton , Hy Trac , Jesse Treu , Carole Tucker , Joel Ullom , Leila R. Vale , Alexander Van Engelen , Jeff Van Lanen , Cristian Vargas , Eve M. Vavagiakis , Kasey Wagoner , Yuhan Wang , Lukas Wenzl , Edward J. Wollack , Zhilei Xu , Fernando Zago , Kaiwen Zheng
The Atacama Cosmology Telescope is a 6-meter telescope designed to map the Cosmic Microwave Background simultaneously at 145 GHz, 215 GHz, and 280 GHz with arcminute resolution. Each frequency will have a 32 by 32 element focal plane array…
Astrophysics · Physics
2008-11-26
J. W. Fowler , M. D. Niemack , S. R. Dicker , A. M. Aboobaker , P. A. R. Ade , E. S. Battistelli , M. J. Devlin , R. P. Fisher , M. Halpern , P. C. Hargrave , A. D. Hincks , M. Kaul , J. Klein , J. M. Lau , M. Limon , T. A. Marriage , P. D. Mauskopf , L. Page , S. T. Staggs , D. S. Swetz , E. R. Switzer , R. J. Thornton , C. E. Tucker
The six-meter Atacama Cosmology Telescope (ACT) in Chile was built to measure the cosmic microwave background (CMB) at arcminute angular scales. We are building a new polarization sensitive receiver for ACT (ACTPol). ACTPol will…
Instrumentation and Methods for Astrophysics · Physics
2010-11-11
M. D. Niemack , P. A. R. Ade , J. Aguirre , F. Barrientos , J. A. Beall , J. R. Bond , J. Britton , H. M. Cho , S. Das , M. J. Devlin , S. Dicker , J. Dunkley , R. Dunner , J. W. Fowler , A. Hajian , M. Halpern , M. Hasselfield , G. C. Hilton , M. Hilton , J. Hubmayr , J. P. Hughes , L. Infante , K. D. Irwin , N. Jarosik , J. Klein , A. Kosowsky , T. A. Marriage , J. McMahon , F. Menanteau , K. Moodley , J. P. Nibarger , M. R. Nolta , L. A. Page , B. Partridge , E. D. Reese , J. Sievers , D. N. Spergel , S. T. Staggs , R. Thornton , C. Tucker , E. Wollack , K. W. Yoon
We present the temperature and polarization angular power spectra measured by the Atacama Cosmology Telescope Polarimeter (ACTPol). We analyze night-time data collected during 2013-14 using two detector arrays at 149 GHz, from 548 deg$^2$…
Cosmology and Nongalactic Astrophysics · Physics
2017-06-28
Thibaut Louis , Emily Grace , Matthew Hasselfield , Marius Lungu , Loïc Maurin , Graeme E. Addison , Peter A. R. Ade , Simone Aiola , Rupert Allison , Mandana Amiri , Elio Angile , Nicholas Battaglia , James A. Beall , Francesco de Bernardis , J. Richard Bond , Joe Britton , Erminia Calabrese , Hsiao-mei Cho , Steve K. Choi , Kevin Coughlin , Devin Crichton , Kevin Crowley , Rahul Datta , Mark J. Devlin , Simon R. Dicker , Joanna Dunkley , Rolando Dünner , Simone Ferraro , Anna E. Fox , Patricio Gallardo , Megan Gralla , Mark Halpern , Shawn Henderson , J. Colin Hill , Gene C. Hilton , Matt Hilton , Adam D. Hincks , Renée Hlozek , S. P. Patty Ho , Zhiqi Huang , Johannes Hubmayr , Kevin M. Huffenberger , John P. Hughes , Leopoldo Infante , Kent Irwin , Simon Muya Kasanda , Jeff Klein , Brian Koopman , Arthur Kosowsky , Dale Li , Mathew Madhavacheril , Tobias A. Marriage , Jeff McMahon , Felipe Menanteau , Kavilan Moodley , Charles Munson , Sigurd Naess , Federico Nati , Laura Newburgh , John Nibarger , Michael D. Niemack , Michael R. Nolta , Carolina Nuñez , Lyman A. Page , Christine Pappas , Bruce Partridge , Felipe Rojas , Emmanuel Schaan , Benjamin L. Schmitt , Neelima Sehgal , Blake D. Sherwin , Jon Sievers , Sara Simon , David N. Spergel , Suzanne T. Staggs , Eric R. Switzer , Robert Thornton , Hy Trac , Jesse Treu , Carole Tucker , Alexander Van Engelen , Jonathan T. Ward , Edward J. Wollack
We construct cosmic microwave background lensing mass maps using data from the 2014 and 2015 seasons of observations with the Atacama Cosmology Telescope (ACT). These maps cover 2100 square degrees of sky and overlap with a wide variety of…
Cosmology and Nongalactic Astrophysics · Physics
2020-11-18
Omar Darwish , Mathew S. Madhavacheril , Blake Sherwin , Simone Aiola , Nicholas Battaglia , James A. Beall , Daniel T. Becker , J. Richard Bond , Erminia Calabrese , Steve Choi , Mark J. Devlin , Jo Dunkley , Rolando Dünner , Simone Ferraro , Anna E. Fox , Patricio A. Gallardo , Yilun Guan , Mark Halpern , Dongwon Han , Matthew Hasselfield , J. Colin Hill , Gene C. Hilton , Matt Hilton , Adam D. Hincks , Shuay-Pwu Patty Ho , J. Hubmayr , John P. Hughes , Brian J. Koopman , Arthur Kosowsky , J. Van Lanen , Thibaut Louis , Marius Lungu , Amanda MacInnis , Loïc Maurin , Jeffrey McMahon , Kavilan Moodley , Sigurd Naess , Toshiya Namikawa , Laura Newburgh , John P. Nibarger , Micheal D. Niemack , Lyman A. Page , Bruce Partridge , Frank J. Qu , Naomi Robertson , Benjamin Schmitt , Neelima Sehgal , Cristóbal Sifón , David N. Spergel , Suzanne Staggs , Emilie Storer , Alexander van Engelen , Edward J. Wollack
We report on measurements of the cosmic microwave background (CMB) and celestial polarization at 146 GHz made with the Atacama Cosmology Telescope Polarimeter (ACTPol) in its first three months of observing. Four regions of sky covering a…
Cosmology and Nongalactic Astrophysics · Physics
2016-08-11
Sigurd Naess , Matthew Hasselfield , Jeff McMahon , Michael D. Niemack , Graeme E. Addison , Peter A. R. Ade , Rupert Allison , Mandana Amiri , Nick Battaglia , James A. Beall , Francesco de Bernardis , J Richard Bond , Joe Britton , Erminia Calabrese , Hsiao-mei Cho , Kevin Coughlin , Devin Crichton , Sudeep Das , Rahul Datta , Mark J. Devlin , Simon R. Dicker , Joanna Dunkley , Rolando Dünner , Joseph W. Fowler , Anna E. Fox , Patricio Gallardo , Emily Grace , Megan Gralla , Amir Hajian , Mark Halpern , Shawn Henderson , J. Colin Hill , Gene C. Hilton , Matt Hilton , Adam D. Hincks , Renée Hlozek , Patty Ho , Johannes Hubmayr , Kevin M. Huffenberger , John P. Hughes , Leopoldo Infante , Kent Irwin , Rebecca Jackson , Simon Muya Kasanda , Jeff Klein , Brian Koopman , Arthur Kosowsky , Dale Li , Thibaut Louis , Marius Lungu , Mathew Madhavacheril , Tobias A. Marriage , Loïc Maurin , Felipe Menanteau , Kavilan Moodley , Charles Munson , Laura Newburgh , John Nibarger , Michael R. Nolta , Lyman A. Page , Christine Pappas , Bruce Partridge , Felipe Rojas , Benjamin Schmitt , Neelima Sehgal , Blake D. Sherwin , Jon Sievers , Sara Simon , David N. Spergel , Suzanne T. Staggs , Eric R. Switzer , Robert Thornton , Hy Trac , Carole Tucker , Masao Uehara , Alexander Van Engelen , Jon Ward , Edward J. Wollack
The Atacama Cosmology Telescope (ACT) is currently observing the cosmic microwave background with arcminute resolution at 148 GHz, 218 GHz, and 277 GHz. In this paper, we present ACT's first results. Data have been analyzed using a…
Cosmology and Nongalactic Astrophysics · Physics
2010-12-23
A. D. Hincks , V. Acquaviva , P. Ade , P. Aguirre , M. Amiri , J. W. Appel , L. F. Barrientos , E. S. Battistelli , J. R. Bond , B. Brown , B. Burger , J. Chervenak , S. Das , M. J. Devlin , S. Dicker , W. B. Doriese , J. Dunkley , R. Dünner , T. Essinger-Hileman , R. P. Fisher , J. W. Fowler , A. Hajian , M. Halpern , M. Hasselfield , C. Hernández-Monteagudo , G. C. Hilton , M. Hilton , R. Hlozek , K. Huffenberger , D. Hughes , J. P. Hughes , L. Infante , K. D. Irwin , R. Jimenez , J. B. Juin , M. Kaul , J. Klein , A. Kosowsky , J. M. Lau , M. Limon , Y. -T. Lin , R. H. Lupton , T. Marriage , D. Marsden , K. Martocci , P. Mauskopf , F. Menanteau , K. Moodley , H. Moseley , C. B. Netterfield , M. D. Niemack , M. R. Nolta , L. A. Page , L. Parker , B. Partridge , H. Quintana , B. Reid , N. Sehgal , J. Sievers , D. N. Spergel , S. T. Staggs , O. Stryzak , D. Swetz , E. Switzer , R. Thornton , H. Trac , C. Tucker , L. Verde , R. Warne , G. Wilson , E. Wollack , Y. Zhao
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 investigate the impact and mitigation of extragalactic foregrounds for the CMB lensing power spectrum analysis of Atacama Cosmology Telescope (ACT) data release 6 (DR6) data. Two independent microwave sky simulations are used to test a…
Cosmology and Nongalactic Astrophysics · Physics
2023-04-12
Niall MacCrann , Blake D. Sherwin , Frank J. Qu , Toshiya Namikawa , Mathew S. Madhavacheril , Irene Abril-Cabezas , Rui An , Jason E. Austermann , Nicholas Battaglia , Elia S. Battistelli , James A. Beall , Boris Bolliet , J. Richard Bond , Hongbo Cai , Erminia Calabrese , William R. Coulton , Omar Darwish , Shannon M. Duff , Adriaan J. Duivenvoorden , Jo Dunkley , Gerrit S. Farren , Simone Ferraro , Joseph E. Golec , Yilun Guan , Dongwon Han , Carlos Hervías-Caimapo , J. Colin Hill , Matt Hilton , Renée Hložek , Johannes Hubmayr , Joshua Kim , Zack Li , Arthur Kosowsky , Thibaut Louis , Jeff McMahon , Gabriela A. Marques , Kavilan Moodley , Sigurd Naess , Michael D. Niemack , Lyman Page , Bruce Partridge , Emmanuel Schaan , Neelima Sehgal , Cristóbal Sifón , Edward J. Wollack , Maria Salatino , Joel N. Ullom , Jeff Van Lanen , Alexander Van Engelen , Lukas Wenz
We present LCDM cosmological parameter constraints obtained from delensed microwave background power spectra. Lensing maps from a subset of DR4 data from the Atacama Cosmology Telescope (ACT) are used to undo the lensing effect in ACT…
Cosmology and Nongalactic Astrophysics · Physics
2021-05-18
Dongwon Han , Neelima Sehgal , Amanda MacInnis , Alexander van Engelen , Blake D. Sherwin , Mathew S. Madhavacheril , Simone Aiola , Nicholas Battaglia , James A. Beall , Daniel T. Becker , Erminia Calabrese , Steve K. Choi , Omar Darwish , Edward V. Denison , Mark J. Devlin , Jo Dunkley , Simone Ferraro , Anna E. Fox , Matthew Hasselfield , J. Colin Hill , Gene C. Hilton , Matt Hilton , Renée Hložek , Johannes Hubmayr , John P. Hughes , Arthur Kosowsky , Jeff Van Lanen , Thibaut Louis , Kavilan Moodley , Sigurd Naess , Toshiya Namikawa , Federico Nati , John P. Nibarger , Michael D. Niemack , Lyman A. Page , Bruce Partridge , Frank J. Qu , Alessandro Schillaci , David N. Spergel , Suzanne Staggs , Emilie Storer , Edward J. Wollack
We present a description of the data reduction and mapmaking pipeline used for the 2008 observing season of the Atacama Cosmology Telescope (ACT). The data presented here at 148 GHz represent 12% of the 90 TB collected by ACT from 2007 to…
Instrumentation and Methods for Astrophysics · Physics
2015-06-05
Rolando Dünner , Matthew Hasselfield , Tobias A. Marriage , Jon Sievers , Viviana Acquaviva , Graeme E. Addison , Peter A. R. Ade , Paula Aguirre , Mandana Amiri , John William Appel , L. Felipe Barrientos , Elia S. Battistelli , J. Richard Bond , Ben Brown , Bryce Burger , Erminia Calabrese , Jay Chervenak , Sudeep Das , Mark J. Devlin , Simon R. Dicker , W. Bertrand Doriese , Joanna Dunkley , Thomas Essinger-Hileman , Ryan P. Fisher , Megan B. Gralla , Joseph W. Fowler , Amir Hajian , Mark Halpern , Carlos Hernández-Monteagudo , Gene C. Hilton , Matt Hilton , Adam D. Hincks , Renée Hlozek , Kevin M. Huffenberger , David H. Hughes , John P. Hughes , Leopoldo Infante , Kent D. Irwin , Jean Baptiste Juin , Madhuri Kaul , Jeff Klein , Arthur Kosowsky , Judy M. Lau , Michele Limon , Yen-Ting Lin , Thibaut Louis , Robert H. Lupton , Danica Marsden , Krista Martocci , Phil Mauskopf , Felipe Menanteau , Kavilan Moodley , Harvey Moseley , Calvin B. Netterfield , Michael D. Niemack , Michael R. Nolta , Lyman A. Page , Lucas Parker , Bruce Partridge , Hernán Quintana , Beth Reid , Neelima Sehgal , Blake D. Sherwin , David N. Spergel , Suzanne T. Staggs , Daniel S. Swetz , Eric R. Switzer , Robert Thornton , Hy Trac , Carole Tucker , Ryan Warne , Grant Wilson , Ed Wollack , Yue Zhao
We describe the measurement of the beam profiles and window functions for the Atacama Cosmology Telescope (ACT), which operated from 2007 to 2010 with kilo-pixel bolometer arrays centered at 148, 218, and 277 GHz. Maps of Saturn are used to…
Instrumentation and Methods for Astrophysics · Physics
2015-06-15
Matthew Hasselfield , Kavilan Moodley , J. Richard Bond , Sudeep Das , Mark J. Devlin , Joanna Dunkley , Rolando Dunner , Joseph W. Fowler , Patricio Gallardo , Megan B. Gralla , Amir Hajian , Mark Halpern , Adam D. Hincks , Tobias A. Marriage , Danica Marsden , Michael D. Niemack , Michael R. Nolta , Lyman A. Page , Bruce Partridge , Benjamin L. Schmitt , Neelima Sehgal , Jon Sievers , Suzanne T. Staggs , Daniel S. Swetz , Eric R. Switzer , Edward J. Wollack
The Advanced Atacama Cosmology Telescope Polarimeter (AdvACT) \cite{thornton} is an upgrade for the Atacama Cosmology Telescope using Transition Edge Sensor (TES) detector arrays to measure cosmic microwave background (CMB) temperature and…
Instrumentation and Methods for Astrophysics · Physics
2021-06-02
Yaqiong Li , Jason E. Austermann , James A. Beall , Sarah Marie Bruno , Steve K. Choi , Nicholas F. Cothard , Kevin T. Crowley , Shannon M. Duff , Shuay-Pwu Patty Ho , Joseph E. Golec , Gene C. Hilton , Matthew Hasselfield , Johannes Hubmay , Brian J. Koopman , Marius Lungu , Jeff McMahon , Michael D. Niemack , LymanA. Page , Maria Salatino , Sara M. Simon , Suzanne T. Staggs , Jason R. Stevens , Joel N. Ullom , Eve M. Vavagiakis , Yuhan Wang , Edward J. Wollack , Zhilei Xu
The Atacama Cosmology Telescope was designed to measure small-scale anisotropies in the Cosmic Microwave Background and detect galaxy clusters through the Sunyaev-Zel'dovich effect. The instrument is located on Cerro Toco in the Atacama…
Instrumentation and Methods for Astrophysics · Physics
2011-10-13
D. S. Swetz , P. A. R. Ade , M. Amiri , J. W. Appel , E. S. Battistelli , B. Burger , J. Chervenak , M. J. Devlin , S. R. Dicker , W. B. Doriese , R. Dünner , T. Essinger-Hileman , R. P. Fisher , J. W. Fowler , M. Halpern , M. Hasselfield , G. C. Hilton , A. D. Hincks , K. D. Irwin , N. Jarosik , M. Kaul , J. Klein , J. M. Lau , M. Limon , T. A. Marriage , D. Marsden , K. Martocci , P. Mauskopf , H. Moseley , C. B. Netterfield , M. D. Niemack , M. R. Nolta , L. A. Page , L. Parker , S. T. Staggs , O. Stryzak , E. R. Switzer , R. Thornton , C. Tucker , E. Wollack , Y. Zhao
We present cosmological parameters derived from the angular power spectrum of the cosmic microwave background (CMB) radiation observed at 148 GHz and 218 GHz over 296 deg^2 with the Atacama Cosmology Telescope (ACT) during its 2008 season.…
Cosmology and Nongalactic Astrophysics · Physics
2015-05-19
J. Dunkley , R. Hlozek , J. Sievers , V. Acquaviva , P. A. R. Ade , P. Aguirre , M. Amiri , J. W. Appel , L. F. Barrientos , E. S. Battistelli , J. R. Bond , B. Brown , B. Burger , J. Chervenak , S. Das , M. J. Devlin , S. R. Dicker , W. Bertrand Doriese , R. Dunner , T. Essinger-Hileman , R. P. Fisher , J. W. Fowler , A. Hajian , M. Halpern , M. Hasselfield , C. Hernandez-Monteagudo , G. C. Hilton , M. Hilton , A. D. Hincks , K. M. Huffenberger , D. H. Hughes , J. P. Hughes , L. Infante , K. D. Irwin , J. B. Juin , M. Kaul , J. Klein , A. Kosowsky , J. M Lau , M. Limon , Y-T. Lin , R. H. Lupton , T. A. Marriage , D. Marsden , P. Mauskopf , F. Menanteau , K. Moodley , H. Moseley , C. B Netterfield , M. D. Niemack , M. R. Nolta , L. A. Page , L. Parker , B. Partridge , B. Reid , N. Sehgal , B. Sherwin , D. N. Spergel , S. T. Staggs , D. S. Swetz , E. R. Switzer , R. Thornton , H. Trac , C. Tucker , R. Warne , E. Wollack , Y. Zhao
We describe the measurement and treatment of the telescope beams for the Atacama Cosmology Telescope's fourth data release, DR4. Observations of Uranus are used to measure the central portion (<12') of the beams to roughly -40 dB of the…
Instrumentation and Methods for Astrophysics · Physics
2022-06-01
Marius Lungu , Emilie R. Storer , Matthew Hasselfield , Adriaan J. Duivenvoorden , Erminia Calabrese , Grace E. Chesmore , Steve K. Choi , Jo Dunkley , Rolando Dünner , Patricio A. Gallardo , Joseph E. Golec , Yilun Guan , J. Colin Hill , Adam D. Hincks , Johannes Hubmayr , Mathew S. Madhavacheril , Maya Mallaby-Kay , Jeff McMahon , Kavilan Moodley , Sigurd Naess , Federico Nati , Michael D. Niemack , Lyman A. Page , Bruce Partridge , Roberto Puddu , Alessandro Schillaci , Cristóbal Sifón , Suzanne Staggs , Dhaneshwar D. Sunder , Edward J. Wollack , Zhilei Xu
The Atacama Cosmology Telescope has measured the angular power spectra of microwave fluctuations to arcminute scales at frequencies of 148 and 218 GHz, from three seasons of data. At small scales the fluctuations in the primordial Cosmic…
Cosmology and Nongalactic Astrophysics · Physics
2015-06-12
J. Dunkley , E. Calabrese , J. Sievers , G. E. Addison , N. Battaglia , E. S. Battistelli , J. R. Bond , S. Das , M. J. Devlin , R. Dunner , J. W. Fowler , M. Gralla , A. Hajian , M. Halpern , M. Hasselfield , A. D. Hincks , R. Hlozek , J. P. Hughes , K. D. Irwin , A. Kosowsky , T. Louis , T. A. Marriage , D. Marsden , F. Menanteau , K. Moodley , M. Niemack , M. R. Nolta , L. A. Page , B. Partridge , N. Sehgal , D. N. Spergel , S. T. Staggs , E. R. Switzer , H. Trac , E. Wollack