no code implementations • 4 Mar 2021 • Maya Mallaby-Kay, Zachary Atkins, Simone Aiola, Stefania Amodeo, J. Richard Bond, Erminia Calabrese, Grace E. Chesmore, Steve K. Choi, Kevin T. Crowley, Omar Darwish, Mark J. Devlin, Adriaan J. Duivenvoorden, Jo Dunkley, Simone Ferraro, Kyra Fichman, Patricio A. Gallardo, Joseph E. Golec, Yilun Guan, Dongwon Han, Matthew Hasselfield, J. Colin Hill, Matt Hilton, Renee Hlozek, Kevin M. Huffenberger, John P. Hughes, Brian J. Koopman, Thibaut Louis, Amanda MacInnis, Mathew S. Madhavacheril, Jeff McMahon, Kavilan Moodley, Sigurd Naess, Toshiya Namikawa, Federico Nati, Laura B. Newburgh, Michael D. Niemack, Lyman A. Page, Maria Salatino, Emmanuel Schaan, Alessandro Schillaci, Neelima Sehgal, Blake D. Sherwin, Cristobal Sifon, Sara Simon, Suzanne T. Staggs, Emilie R. Storer, Alexander van Engelen, Edward J. Wollack, Zhilei Xu
Two recent large data releases for the Atacama Cosmology Telescope (ACT), called DR4 and DR5, are available for public access.
Cosmology and Nongalactic Astrophysics
no code implementations • 3 Feb 2021 • Kathleen Harrington, Carlos Sierra, Grace Chesmore, Shreya Sutariya, Aamir M. Ali, Steve K. Choi, Nicholas F. Cothard, Simon Dicker, Nicholas Galitzki, Shuay-Pwu Patty Ho, Anna M. Kofman, Brian J. Koopman, Jack Lashner, Jeff McMahon, Michael D. Niemack, John Orlowski-Scherer, Joseph Seibert, Max Silva-Feaver, Eve M. Vavagiakis, Zhilei Xu, Ningfeng Zhu
The Simons Observatory (SO) will be a cosmic microwave background (CMB) survey experiment with three small-aperture telescopes and one large-aperture telescope, which will observe from the Atacama Desert in Chile.
Instrumentation and Methods for Astrophysics
no code implementations • 7 Jan 2021 • 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 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 polarization anisotropies in multiple frequencies.
Instrumentation and Methods for Astrophysics
no code implementations • 28 Dec 2020 • Sigurd Naess, Nick Battaglia, J. Richard Bond, Erminia Calabrese, Steve K. Choi, Nicholas F. Cothard, Mark Devlin, Cody J. Duell, Adriaan J. Duivenvoorden, Jo Dunkley, Rolando Dünner, Patricio A. Gallardo, Megan Gralla, Yilun Guan, Mark Halpern, J. Colin Hill, Matt Hilton, Kevin M. Huffenberger, Brian J. Koopman, Arthur B. Kosowsky, Mathew S. Madhavacheril, Jeff McMahon, Federico Nati, Michael D. Niemack, Lyman Page, Bruce Partridge, Maria Salatino, Neelima Sehgal, David Spergel, Suzanne Staggs, Edward J. Wollack, Zhilei Xu
The source's spectral index in flux between 90 and 150 GHz was positive, $\alpha = 1. 5\pm0. 2$.
Solar and Stellar Astrophysics Astrophysics of Galaxies High Energy Astrophysical Phenomena
no code implementations • 18 Dec 2020 • Cody J. Duell, Eve M. Vavagiakis, Jason Austermann, Scott C. Chapman, Steve K. Choi, Nicholas F. Cothard, Brad Dober, Patricio Gallardo, Jiansong Gao, Christopher Groppi, Terry L. Herter, Gordon J. Stacey, Zachary Huber, Johannes Hubmayr, Doug Johnstone, Yaqiong Li, Philip Mauskopf, Jeff McMahon, Michael D. Niemack, Thomas Nikola, Kayla Rossi, Sara Simon, Adrian K. Sinclair, Michael Vissers, Jordan Wheeler, Bugao Zou
The CCAT-prime project's first light array will be deployed in Mod-Cam, a single-module testbed and first light cryostat, on the Fred Young Submillimeter Telescope (FYST) in Chile's high Atacama desert in late 2022.
Instrumentation and Methods for Astrophysics
no code implementations • 18 Dec 2020 • Brian J. Koopman, Jack Lashner, Lauren J. Saunders, Matthew Hasselfield, Tanay Bhandarkar, Sanah Bhimani, Steve K. Choi, Cody J. Duell, Nicholas Galitzki, Kathleen Harrington, Adam D. Hincks, Shuay-Pwu Patty Ho, Laura Newburgh, Christian L. Reichardt, Joseph Seibert, Jacob Spisak, Benjamin Westbrook, Zhilei Xu, Ningfeng Zhu
To meet this need, we have designed and built an open-sourced platform for distributed system management, called the Observatory Control System (ocs).
Instrumentation and Methods for Astrophysics
no code implementations • 15 Dec 2020 • Nicholas F. Cothard, Aamir M. Ali, Jason E. Austermann, Steve K. Choi, Kevin T. Crowley, Bradley J. Dober, Cody J. Duell, Shannon M. Duff, Patricio Gallardo, Gene C. Hilton, Shuay-Pwu Patty Ho, Johannes Hubmayr, Michael J. Link, Michael D. Niemack, Rita F. Sonka, Suzanne T. Staggs, Eve M. Vavagiakis, Edward J. Wollack, Zhilei Xu
The Simons Observatory (SO) will perform ground-based observations of the cosmic microwave background (CMB) with several small and large aperture telescopes, each outfitted with thousands to tens of thousands of superconducting aluminum manganese (AlMn) transition-edge sensor bolometers (TESs).
Instrumentation and Methods for Astrophysics
1 code implementation • 8 Dec 2020 • Eve M. Vavagiakis, Zeeshan Ahmed, Aamir Ali, Kam Arnold, Jason Austermann, Sarah Marie Bruno, Steve K. Choi, Jake Connors, Nicholas F. Cothard, Simon Dicker, Brad Dober, Shannon Duff, Valentina Fanfani, Erin Healy, Shawn Henderson, Shuay-Pwu Patty Ho, Duc-Thuong Hoang, Gene Hilton, Johannes Hubmayr, Nicoletta Krachmalnicoff, Yaqiong Li, John Mates, Heather McCarrick, Federico Nati, Michael Niemack, Maximiliano Silva-Feaver, Suzanne Staggs, Jason Stevens, Michael Vissers, Joel Ullom, Kasey Wagoner, Zhilei Xu, Ningfeng Zhu
The Simons Observatory (SO) will be a cosmic microwave background (CMB) survey experiment with three small-aperture telescopes and one large-aperture telescope, which will observe from the Atacama Desert in Chile.
Instrumentation and Methods for Astrophysics Cosmology and Nongalactic Astrophysics
1 code implementation • 28 Jul 2020 • 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, 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
Our results show that gravitational lensing of the microwave background is internally consistent within the framework of the standard cosmological model.
Cosmology and Nongalactic Astrophysics High Energy Physics - Phenomenology
1 code implementation • 28 Jan 2020 • Toshiya Namikawa, Yilun Guan, Omar Darwish, Blake D. Sherwin, Simone Aiola, Nicholas Battaglia, James A. Beall, Daniel T. Becker, J. Richard Bond, Erminia Calabrese, Grace E. Chesmore, Steve K. Choi, Mark J. Devlin, Joanna Dunkley, Rolando Dünner, Anna E. Fox, Patricio A. Gallardo, Vera Gluscevic, Dongwon Han, Matthew Hasselfield, Gene C. Hilton, Adam D. Hincks, Renée Hložek, Johannes Hubmayr, Kevin Huffenberger, John P. Hughes, Brian J. Koopman, Arthur Kosowsky, Thibaut Louis, Marius Lungu, Amanda MacInnis, Mathew S. Madhavacheril, Maya Mallaby-Kay, Loïc Maurin, Jeffrey McMahon, Kavilan Moodley, Sigurd Naess, Federico Nati, Laura B. Newburgh, John P. Nibarger, Michael D. Niemack, Lyman A. Page, Frank J. Qu, Naomi Robertson, Alessandro Schillaci, Neelima Sehgal, Cristóbal Sifón, Sara M. Simon, David N. Spergel, Suzanne T. Staggs, Emilie R. Storer, Alexander van Engelen, Jeff Van Lanen, Edward J. Wollack
We present new constraints on anisotropic birefringence of the cosmic microwave background polarization using two seasons of data from the Atacama Cosmology Telescope covering $456$ square degrees of sky.
Cosmology and Nongalactic Astrophysics High Energy Physics - Experiment High Energy Physics - Phenomenology
1 code implementation • 13 Nov 2019 • Mathew S. Madhavacheril, J. Colin Hill, Sigurd Naess, Graeme E. Addison, Simone Aiola, Taylor Baildon, Nicholas Battaglia, Rachel Bean, J. Richard Bond, Erminia Calabrese, Victoria Calafut, Steve K. Choi, Omar Darwish, Mark J. Devlin, Joanna Dunkley, Rolando Dünner, Simone Ferraro, Patricio A. Gallardo, Mark Halpern, Dongwon Han, Matthew Hasselfield, Matt Hilton, Adam D. Hincks, Renée Hložek, Shuay-Pwu Patty Ho, Kevin M. Huffenberger, John P. Hughes, Brian J. Koopman, Arthur Kosowsky, Martine Lokken, Thibaut Louis, Marius Lungu, Amanda MacInnis, Loïc Maurin, Jeffrey J. McMahon, Kavilan Moodley, Federico Nati, Michael D. Niemack, Lyman A. Page, Bruce Partridge, Naomi Robertson, Neelima Sehgal, Emmanuel Schaan, Alessandro Schillaci, Blake D. Sherwin, Cristóbal Sifón, Sara M. Simon, David N. Spergel, Suzanne T. Staggs, Emilie R. Storer, Alexander van Engelen, Eve M. Vavagiakis, Edward J. Wollack, Zhilei Xu
In this paper, we implement a component separation method based on the internal linear combination (ILC) approach which we have designed to optimally account for the anisotropic noise (in the 2D Fourier domain) often found in ground-based CMB experiments.
Cosmology and Nongalactic Astrophysics Astrophysics of Galaxies