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BeyondPlanck: I. Global Bayesian analysis of the Planck Low Frequency Instrument data
Andersen, Kristian Joten; Aurvik, Ragnhild; Banerji, Ranajoy; Basyrov, Artem; Bersanelli, M.; Bertocco, S.; Brilenkov, Maksym; Carbone, M.; Colombo, L.P.L.; Eriksen, Hans Kristian Kamfjord; Eskilt, Johannes Røsok; Foss, Marie Kristine; Franceschet, C.; Fuskeland, Unni; Galeotta, S.; Galloway, Mathew; Gerakakis, S.; Gjerløw, Eirik; Hensley, B.; Herman, Daniel Christopher; Iacobellis, M.; Ieronymaki, M.; Ihle, Håvard Tveit; Jewell, J.B.; Karakci, Ata; Keihänen, Elina; Keskitalo, R.; Lunde, Jonas Gahr Sturtzel; Maggio, G.; Maino, D.; Maris, M.; Mennella, A.; Paradiso, S.; Partridge, B.; Reinecke, M.; San, Metin; Stutzer, Nils-Ole; Suur-Uski, A.-S.; Svalheim, Trygve Leithe; Tavagnacco, D.; Thommesen, Harald; Watts, Duncan; Wehus, Ingunn Kathrine; Zacchei, A. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
We describe the B EYOND P LANCK project in terms of our motivation, methodology, and main products, and provide a guide to a set of companion papers that describe each result in more detail. Building directly on experience ...
BeyondPlanck: XIII. Intensity foreground sampling, degeneracies, and priors
Andersen, Kristian Joten; Herman, Daniel Christopher; Aurvik, Ragnhild; Banerji, Ranajoy; Basyrov, Artem; Bersanelli, M.; Bertocco, S.; Brilenkov, Maksym; Carbone, M.; Colombo, L.P.L.; Eriksen, Hans Kristian Kamfjord; Eskilt, Johannes Røsok; Foss, Marie Kristine; Franceschet, C.; Fuskeland, Unni; Galeotta, S.; Galloway, Mathew; Gerakakis, S.; Gjerløw, Eirik; Hensley, B.; Iacobellis, M.; Ieronymaki, M.; Ihle, Håvard Tveit; Jewell, J.B.; Karakci, Ata; Keihänen, Elina; Keskitalo, R.; Lunde, Jonas Gahr Sturtzel; Maggio, G.; Maino, D.; Maris, M.; Mennella, A.; Paradiso, S.; Partridge, B.; Reinecke, M.; San, Metin; Stutzer, Nils-Ole; Suur-Uski, A.-S.; Svalheim, Trygve Leithe; Tavagnacco, D.; Thommesen, Harald; Watts, Duncan; Wehus, Ingunn Kathrine; Zacchei, A. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
We present the intensity foreground algorithms and model employed within the B EYOND P LANCK analysis framework. The B EYOND P LANCK analysis is aimed at integrating component separation and instrumental parameter sampling ...
COMAP Early Science. I. Overview
Cleary, Kieran A.; Borowska, Jowita; Breysse, Patrick C.; Catha, Morgan; Chung, Dongwoo T.; Church, Sarah E.; Dickinson, Clive; Eriksen, Hans Kristian Kamfjord; Foss, Marie Kristine; Gundersen, Joshua Ott; Harper, Stuart E.; Harris, Andrew I.; Hobbs, Richard; Ihle, Håvard Tveit; Kim, Junhan; Kocz, Jonathon; Lamb, James W.; Lunde, Jonas Gahr Sturtzel; Padmanabhan, Hamsa; Pearson, Timothy J.; Philip, Liju; Powell, Travis W.; Rasmussen, Maren S.; Readhead, Anthony C. S.; Rennie, Thomas J.; Silva, Marta Bruno; Stutzer, Nils-Ole; Uzgil, Bade D.; Watts, Duncan; Wehus, Ingunn Kathrine; Woody, David P.; Basoalto, Lilian; Bond, J. Richard; Dunne, Delaney A.; Gaier, Todd; Hensley, Brandon; Keating, Laura C.; Lawrence, Charles R.; Murray, Norman; Paladini, Roberta; Reeves, Rodrigo; Viero, Marco P.; Wechsler, Risa H. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
The CO Mapping Array Project (COMAP) aims to use line-intensity mapping of carbon monoxide (CO) to trace the distribution and global properties of galaxies over cosmic time, back to the Epoch of Reionization (EoR). To ...
COMAP Early Science. II. Pathfinder Instrument
Lamb, James W.; Cleary, Kieran A.; Woody, David P.; Catha, Morgan; Chung, Dongwoo T.; Gundersen, Joshua Ott; Harper, Stuart E.; Harris, Andrew I.; Hobbs, Richard; Ihle, Håvard Tveit; Kocz, Jonathon; Pearson, Timothy J.; Philip, Liju; Powell, Travis W.; Basoalto, Lilian; Bond, J. Richard; Borowska, Jowita; Breysse, Patrick C.; Church, Sarah E.; Dickinson, Clive; Dunne, Delaney A.; Eriksen, Hans Kristian Kamfjord; Foss, Marie Kristine; Gaier, Todd; Kim, Junhan; Lawrence, Charles R.; Lunde, Jonas Gahr Sturtzel; Padmanabhan, Hamsa; Rasmussen, Maren S.; Readhead, Anthony C. S.; Reeves, Rodrigo; Rennie, Thomas J.; Stutzer, Nils-Ole; Viero, Marco P.; Watts, Duncan; Wehus, Ingunn Kathrine (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
Line intensity mapping (LIM) is a new technique for tracing the global properties of galaxies over cosmic time. Detection of the very faint signals from redshifted carbon monoxide (CO), a tracer of star formation, pushes ...
COMAP Early Science. III. CO Data Processing
Foss, Marie Kristine; Ihle, Håvard Tveit; Borowska, Jowita; Cleary, Kieran A.; Eriksen, Hans Kristian Kamfjord; Harper, Stuart E.; Kim, Junhan; Lamb, James W.; Lunde, Jonas Gahr Sturtzel; Philip, Liju; Rasmussen, Maren; Stutzer, Nils-Ole; Uzgil, Bade D.; Watts, Duncan; Wehus, Ingunn Kathrine; Woody, David P.; Bond, J. Richard; Breysse, Patrick C.; Catha, Morgan; Church, Sarah E.; Chung, Dongwoo T.; Dickinson, Clive; Dunne, Delaney A.; Gaier, Todd; Gundersen, Joshua Ott; Harris, Andrew I.; Hobbs, Richard; Lawrence, Charles R.; Murray, Norman; Readhead, Anthony C. S.; Padmanabhan, Hamsa; Pearson, Timothy J.; Rennie, Thomas J. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
We describe the first-season CO Mapping Array Project (COMAP) analysis pipeline that converts raw detector readouts to calibrated sky maps. This pipeline implements four main steps: gain calibration, filtering, data ...
COMAP Early Science. IV. Power Spectrum Methodology and Results
Ihle, Håvard Tveit; Borowska, Jowita; Cleary, Kieran A.; Eriksen, Hans Kristian Kamfjord; Foss, Marie Kristine; Harper, Stuart E.; Kim, Junhan; Lunde, Jonas Gahr Sturtzel; Philip, Liju; Rasmussen, Maren; Stutzer, Nils-Ole; Uzgil, Bade D.; Watts, Duncan; Wehus, Ingunn Kathrine; Bond, J. Richard; Breysse, Patrick C.; Catha, Morgan; Church, Sarah E.; Chung, Dongwoo T.; Dickinson, Clive; Dunne, Delaney A.; Gaier, Todd; Gundersen, Joshua Ott; Harris, Andrew I.; Hobbs, Richard; Lamb, James W.; Lawrence, Charles R.; Murray, Norman; Readhead, Anthony C. S.; Padmanabhan, Hamsa; Pearson, Timothy J.; Rennie, Thomas J.; Woody, David P. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
We present the power spectrum methodology used for the first-season COMAP analysis, and assess the quality of the current data set. The main results are derived through the Feed–Feed Pseudo-Cross-Spectrum (FPXS) method, ...
COMAP Early Science. V. Constraints and Forecasts at z ∼3
Chung, Dongwoo T.; Breysse, Patrick C.; Cleary, Kieran A.; Ihle, Håvard Tveit; Padmanabhan, Hamsa; Silva, Marta Bruno; Bond, J. Richard; Borowska, Jowita; Catha, Morgan; Church, Sarah E.; Dunne, Delaney A.; Eriksen, Hans Kristian Kamfjord; Foss, Marie Kristine; Gaier, Todd; Gundersen, Joshua Ott; Harper, Stuart E.; Harris, Andrew I.; Hensley, Brandon; Hobbs, Richard; Keating, Laura C.; Kim, Junhan; Lamb, James W.; Lawrence, Charles R.; Lunde, Jonas Gahr Sturtzel; Murray, Norman; Pearson, Timothy J.; Philip, Liju; Rasmussen, Maren; Readhead, Anthony C. S.; Rennie, Thomas J.; Stutzer, Nils-Ole; Uzgil, Bade D.; Viero, Marco P.; Watts, Duncan; Wechsler, Risa H.; Wehus, Ingunn Kathrine; Woody, David P. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
We present the current state of models for the z ∼ 3 carbon monoxide (CO) line intensity signal targeted by the CO Mapping Array Project (COMAP) Pathfinder in the context of its early science results. Our fiducial model, ...
COMAP Early Science. VI. A First Look at the COMAP Galactic Plane Survey
Rennie, Thomas J.; Harper, Stuart E.; Dickinson, Clive; Philip, Liju; Cleary, Kieran A.; Bond, Richard J.; Borowska, Jowita; Breysse, Patrick C.; Catha, Morgan; Cepeda-Arroita, Roke; Chung, Dongwoo T.; Church, Sarah E.; Dunne, Delaney A.; Eriksen, Hans Kristian Kamfjord; Foss, Marie Kristine; Gaier, Todd; Gundersen, Joshua Ott; Harris, Andrew I.; Hensley, Brandon; Hobbs, Richard; Ihle, Håvard Tveit; Lamb, James W.; Lawrence, Charles R.; Lunde, Jonas Gahr Sturtzel; Paladini, Roberta; Pearson, Timothy J.; Rasmussen, Maren; Readhead, Anthony C. S.; Stutzer, Nils-Ole; Watts, Duncan; Wehus, Ingunn Kathrine; Woody, David P. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
We present early results from the CO Mapping Array Project (COMAP) Galactic Plane Survey conducted between 2019 June and 2021 April, spanning 20° < ℓ < 40° in Galactic longitude and ∣b∣ < 1fdg5 in Galactic latitude with ...
COMAP Early Science. VII. Prospects for CO Intensity Mapping at Reionization
Breysse, Patrick C.; Chung, Dongwoo T.; Cleary, Kieran A.; Ihle, Håvard Tveit; Padmanabhan, Hamsa; Silva, Marta Bruno; Bond, J. Richard; Borowska, Jowita; Catha, Morgan; Church, Sarah E.; Dunne, Delaney A.; Eriksen, Hans Kristian Kamfjord; Foss, Marie Kristine; Gaier, Todd; Gundersen, Joshua Ott; Harris, Andrew I.; Hobbs, Richard; Keating, Laura; Lamb, James W.; Lawrence, Charles R.; Lunde, Jonas Gahr Sturtzel; Murray, Norman; Pearson, Timothy J.; Philip, Liju; Rasmussen, Maren; Readhead, Anthony C. S.; Rennie, Thomas J.; Stutzer, Nils-Ole; Viero, Marco P.; Watts, Duncan; Wehus, Ingunn Kathrine; Woody, David P. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
We introduce COMAP-EoR, the next generation of the Carbon Monoxide Mapping Array Project aimed at extending CO intensity mapping to the Epoch of Reionization. COMAP-EoR supplements the existing 30 GHz COMAP Pathfinder with ...
COMAP Early Science. VIII. A Joint Stacking Analysis with eBOSS Quasars
Dunne, Delaney A.; Cleary, Kieran A.; Breysse, Patrick C.; Chung, Dongwoo T.; Ihle, Håvard Tveit; Bond, J. Richard; Eriksen, Hans Kristian Kamfjord; Gundersen, Joshua Ott; Keating, Laura C.; Kim, Junhan; Lunde, Jonas Gahr Sturtzel; Murray, Norman; Padmanabhan, Hamsa; Philip, Liju; Stutzer, Nils-Ole; Tolgay, Doğa; Wehus, Ingunn Kathrine; Church, Sarah E.; Gaier, Todd; Harris, Andrew I.; Hobbs, Richard; Lamb, James W.; Lawrence, Charles R.; Readhead, Anthony C. S.; Woody, David P. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2024)
COSMOGLOBE DR1 results: I. Improved Wilkinson Microwave Anisotropy Probe maps through Bayesian end-to-end analysis
Watts, Duncan; Basyrov, Artem; Eskilt, Johannes Røsok; Galloway, Mathew; Gjerløw, Eirik; Hergt, L.T.; Herman, Daniel Christopher; Ihle, Håvard Tveit; Paradiso, S.; Rahman, F.; Thommesen, Harald; Aurvik, Ragnhild; Bersanelli, M.; Bianchi, L.A.; Brilenkov, Maksym; Colombo, L.P.L.; Eriksen, Hans Kristian Kamfjord; Franceschet, C.; Fuskeland, Unni; Hensley, B.; Hoerning, G.A.; Lee, Katherine; Lunde, Jonas Gahr Sturtzel; Marins, A.; Nerval, S.K.; Patel, S.K.; Regnier, M.; San, Metin; Sanyal, S.; Stutzer, Nils-Ole; Verma, A.; Wehus, Ingunn Kathrine; Zhou, Y. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
We present C OSMOGLOBE Data Release 1, which implements the first joint analysis of WMAP and Planck LFI time-ordered data, processed within a single Bayesian end-to-end framework. This framework directly builds on a similar ...
COSMOGLOBE DR1 results: II. Constraints on isotropic cosmic birefringence from reprocessed WMAP and Planck LFI data
Eskilt, Johannes Røsok; Watts, Duncan; Aurvik, Ragnhild; Basyrov, Artem; Bersanelli, Marco; Brilenkov, Maksym; Colombo, L. P. L.; Eriksen, Hans Kristian Kamfjord; Fornazier, K.S.F.; Franceschet, C.; Fuskeland, Unni; Galloway, Mathew; Gjerløw, Eirik; Hensley, B.; Hergt, L.T.; Herman, Daniel Christopher; Ihle, Håvard Tveit; Lee, Katherine; Lunde, Jonas Gahr Sturtzel; Nerval, S.K.; Paradiso, S.; Patel, S. K.; Rahman, F.; Regnier, M.; San, Metin; Sanyal, S.; Stutzer, Nils-Ole; Thommesen, Harald; Verma, A.; Wehus, Ingunn Kathrine; Zhou, Y. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
Cosmic birefringence is a parity-violating effect that might have rotated the plane of the linearly polarized light of the cosmic microwave background (CMB) by an angle β since its emission. This angle has recently been ...
COSMOGLOBE DR1 results: III. First full-sky model of polarized synchrotron emission from all WMAP and Planck LFI data
Watts, Duncan; Fuskeland, Unni; Aurvik, Ragnhild; Basyrov, Artem; Bianchi, L.A.; Brilenkov, Maksym; Eriksen, Hans Kristian Kamfjord; Fornazier, K.S.F.; Galloway, Mathew; Gjerløw, Eirik; Hensley, B.; Hergt, L.T.; Herman, Daniel Christopher; Ihle, Håvard Tveit; Lee, Katherine; Lunde, Jonas Gahr Sturtzel; Nerval, S.K.; San, Metin; Stutzer, Nils-Ole; Thommesen, Harald; Wehus, Ingunn Kathrine (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2024)
We present the first model of full-sky polarized synchrotron emission that is derived from all WMAP and Planck LFI frequency maps. The basis of this analysis is the set of end-to-end reprocessed COSMOGLOBE Data Release 1 ...
COSMOGLOBE: Towards end-to-end CMB cosmological parameter estimation without likelihood approximations
Eskilt, Johannes Røsok; Lee, Katherine; Watts, Duncan; Anshul, V.; Aurvik, Ragnhild; Basyrov, Artem; Bersanelli, M.; Colombo, L.P.L.; Eriksen, Hans Kristian Kamfjord; Fornazier, K.S.F.; Fuskeland, Unni; Galloway, Mathew; Gjerløw, Eirik; Hergt, L.T.; Ihle, Håvard Tveit; Lunde, Jonas Gahr Sturtzel; Marins, A.; Nerval, S.K.; Paradiso, S.; Rahman, F.; San, Metin; Stutzer, Nils-Ole; Wehus, Ingunn Kathrine (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
We implement support for a cosmological parameter estimation algorithm in Commander and quantify its computational efficiency and cost. For a semi-realistic simulation similar to Planck LFI 70 GHz, we find that the ...
From BeyondPlanck to Cosmoglobe: Preliminary WMAP Q-band analysis
Watts, Duncan; Galloway, Mathew; Ihle, Håvard Tveit; Andersen, Kristian Joten; Aurvik, Ragnhild; Banerji, Ranajoy; Basyrov, Artem; Bersanelli, M.; Bertocco, S.; Brilenkov, Maksym; Carbone, M.; Colombo, L.P.L.; Eriksen, Hans Kristian Kamfjord; Eskilt, Johannes Røsok; Foss, Marie Kristine; Franceschet, C.; Fuskeland, Unni; Galeotta, S.; Gerakakis, S.; Gjerløw, Eirik; Hensley, B.; Herman, Daniel Christopher; Iacobellis, M.; Ieronymaki, M.; Jewell, J.B.; Karakci, Ata; Keihänen, Elina; Keskitalo, R.; Lunde, Jonas Gahr Sturtzel; Maggio, G.; Maino, D.; Maris, M.; Paradiso, S.; Partridge, B.; Reinecke, M.; San, Metin; Stutzer, Nils-Ole; Suur-Uski, A.-S.; Svalheim, Trygve Leithe; Tavagnacco, D.; Thommesen, Harald; Wehus, Ingunn Kathrine; Zacchei, A. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
We present the first application of the C OSMOGLOBE analysis framework by analyzing nine-year WMAP time-ordered observations that uses similar machinery to that of B EYOND P LANCK for the Planck Low Frequency Instrument ...
Optimal bolometer transfer function deconvolution for CMB experiments through maximum likelihood mapmaking
Basyrov, Artem; Stutzer, Nils-Ole; Lunde, Jonas Gahr Sturtzel; Eriksen, Hans Kristian Kamfjord; Gjerløw, Eirik; Watts, Duncan; Wehus, Ingunn Kathrine (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2024)
We revisit the impact of finite time responses of bolometric detectors used for deep observations of the cosmic microwave background (CMB). Until now, bolometer transfer functions have been accounted for through a two-step ...