The Atacama Cosmology Telescope: DR4 maps and cosmological parameters

Autor: Simone Aiola, Suzanne T. Staggs, C. Sifon, J. Richard Bond, Martine Lokken, Bruce Partridge, Brittany Fuzia, Giampaolo Pisano, Matthew Hasselfield, Vincent Lakey, Shannon M. Duff, H. M. Cho, Naomi Robertson, Brandon S. Hensley, Laura Newburgh, Alexander van Engelen, Jesus Rivera, Kirsten Hall, Matt Hilton, Susan E. Clark, Kavilan Moodley, Rachel Bean, Kent D. Irwin, David Alonso, Andrina Nicola, Edward J. Wollack, Mathew S. Madhavacheril, Dhaneshwar D. Sunder, Brian J. Koopman, David N. Spergel, Rolando Dünner, Jakob M. Helton, Toshiya Namikawa, Zhilei Xu, Sigurd Naess, Leopoldo Infante, Adam D. Hincks, Emily Grace, Renée Hložek, Ningfeng Zhu, Felipe Rojas, Jeff McMahon, Grace E. Chesmore, Jacob Klein, Max Fankhanel, Frank J. Qu, Heather Prince, S. Henderson, Yaqiong Li, Timothy D. Morton, Dale Li, Jason E. Austermann, E. V. Denison, Jason R. Stevens, Robert Thornton, Kenda Knowles, Christine G. Pappas, Amanda MacInnis, Yuhan Wang, Joseph E. Golec, Precious Sikhosana, Adriaan J. Duivenvoorden, Neelima Sehgal, John P. Hughes, Felipe Maldonado, Eve M. Vavagiakis, Peter Charles Hargrave, Sarah Marie Bruno, Michael R. Nolta, Zack Li, Dongwon Han, John P. Nibarger, Sara M. Simon, Jon Sievers, Kasey Wagoner, Blake D. Sherwin, J. Colin Hill, Lyman A. Page, Thibaut Louis, John Orlowski-Sherer, Fernando Zago, Arthur Kosowsky, Benjamin L. Schmitt, Carlos Sierra, Felipe Menanteau, Loïc Maurin, B. Thorne, Vera Gluscevic, Eric R. Switzer, Kevin M. Huffenberger, Marius Lungu, Jo Dunkley, Emilie R. Storer, Felipe Carrero, Gene C. Hilton, Maya Mallaby-Kay, Steve K. Choi, Roberto Puddu, Phumlani Phakathi, Jeff Van Lanen, Jonathan T. Ward, Omar Darwish, Yilun Guan, Maria Salatino, Daniel T. Becker, Anna E. Fox, James A. Beall, Kevin T. Crowley, Federico Nati, Carole Tucker, Alessandro Schillaci, Graeme E. Addison, Shuay-Pwu Patty Ho, Elio Angile, S. Amodeo, Erminia Calabrese, Leila R. Vale, Megan Gralla, Mandana Amiri, Nick Battaglia, Rahul Datta, Peter A. R. Ade, Devin Crichton, Michael D. Niemack, Nicholas F. Cothard, Victoria Calafut, Jesse Treu, Thomas Essinger-Hileman, Cody J. Duell, Luis E. Campusano, Danica Marsden, Rebecca Jackson, Emmanuel Schaan, Johannes Hubmayr, Mark Halpern, Simone Ferraro, Hy Trac, Mark J. Devlin, Patricio A. Gallardo, Maximilian H. Abitbol, Taylor Baildon

Publikováno v: JCAP
JCAP, 2020, 12, pp.047. ⟨10.1088/1475-7516/2020/12/047⟩
Journal of Cosmology and Astroparticle Physics

We present new arcminute-resolution maps of the Cosmic Microwave Background temperature and polarization anisotropy from the Atacama Cosmology Telescope, using data taken from 2013-2016 at 98 and 150 GHz. The maps cover more than 17,000 deg$^2$, the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1ec7168239e539307679957266062565
https://resolver.caltech.edu/CaltechAUTHORS:20210212-133817397

Delaunay based algorithm for finding polygonal voids in planar point sets

Autor: J. Ojeda, Carlos Hervías, Nancy Hitschfeld, Luis E. Campusano, R. Alonso

Publikováno v: Astronomy and Computing. 22:48-62

This paper presents a new algorithm to find under-dense regions called voids inside a 2D point set. The algorithm starts from terminal-edges (local longest-edges) in a Delaunay triangulation and builds the largest possible low density terminal-edge r

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::17fe154e4b178444d8c7a8ab01fea2ba
https://doi.org/10.1016/j.ascom.2018.01.001

Results from the Atacama B-mode Search (ABS) Experiment

Autor: Sara M. Simon, Norman Jarosik, Matthew Hasselfield, Steve K. Choi, S. P. Ho, K. W. Yoon, Gene C. Hilton, Gonzalo A. Palma, Kent D. Irwin, Michael R. Nolta, J. W. Appel, Hsiao-Mei Cho, Michael D. Niemack, Carl D. Reintsema, Jonathan Sievers, Akito Kusaka, Lucas Parker, Joseph W. Fowler, Suzanne T. Staggs, Luis E. Campusano, G. W. Nixon, Thomas Essinger-Hileman, James A. Beall, Kevin T. Crowley, Katerina Visnjic, Patricio A. Gallardo, Lyman A. Page, Srinivasan Raghunathan

The Atacama B-mode Search (ABS) is an experiment designed to measure cosmic microwave background (CMB) polarization at large angular scales ($\ell>40$). It operated from the ACT site at 5190~m elevation in northern Chile at 145 GHz with a net sensiti

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e3a826de060e18f4a4c505c0c543b281

A 3D Voronoi+Gapper Galaxy Cluster Finder in Redshift Space to z ∼ 0.2. II. An Abundant Cluster Population Dominated by Late-type Galaxies Unveiled

Autor: C. P. Haines, Sebastián Pereira, Roger G. Clowes, Gabriel Marinello, Ilona K. Söchting, Luis E. Campusano, Daniel Pizarro, Nancy Hitschfeld-Kahler

Publikováno v: The Astrophysical Journal. 869:145

We identify 1901 galaxy clusters (N g ≥ 2) with the VoML+G algorithm (Paper I) on the Two-Degree Field Galaxy Redshift Survey. We present the 341 clusters with at least 10 galaxies that are within 0.009 < z < 0.14 (the Catalog), of which 254 (~75%)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9a8b284df3011670d6e2230334b30646
https://doi.org/10.3847/1538-4357/aaeff3

Clustering of 3D spatial points using maximum likelihood estimator over voronoi tessellations: Study of the galaxy distribution in redshift space

Autor: P. Virgili, Luis E. Campusano, Daniel Pizarro, Nancy Hitschfeld-Kahler, Roger G. Clowes, Ilona K. Söchting

Publikováno v: ISVD

This paper describes an algorithm based on the 2D approach of Allard and Fraley that uses Voronoi tessellation and a non-parametric maximum likelihood estimator. We have designed a 3D version of this algorithm which detects multiple clusters of point

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e2c059e01c0d3d56d6a1c2fbcead69f6
https://ora.ox.ac.uk/objects/uuid:d81bab8c-992b-426d-94a0-3cf757b87201