Browsing Institutt for teoretisk astrofysikk by Author "Ihle, Håvard Tveit"

Now showing items 1-20 of 34

  • Bayesian Data Analysis for Intensity Mapping and CMB Experiments 
    Ihle, Håvard Tveit (Doctoral thesis / Doktoravhandling, 2021)
    In the developing field of line intensity mapping (LIM), an approach to measuring the aggregate emission from various spectral lines in the early universe, as well as when searching for primordial B-modes in the Cosmic ...
  • 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: II. CMB mapmaking through Gibbs sampling 
    Keihänen, Elina; Suur-Uski, A.-S.; 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; Keskitalo, R.; Maggio, G.; Maino, D.; Maris, M.; Mennella, A.; Paradiso, S.; Partridge, B.; Reinecke, M.; San, Metin; Svalheim, Trygve Leithe; Tavagnacco, D.; Thommesen, Harald; Watts, Duncan; Wehus, Ingunn Kathrine; Zacchei, A. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
    We present a Gibbs sampling solution to the mapmaking problem for cosmic microwave background (CMB) measurements that builds on existing destriping methodology. Gibbs sampling breaks the computationally heavy destriping ...
  • BeyondPlanck: III. Commander3 
    Galloway, Mathew; Andersen, Kristian Joten; Aurvik, Ragnhild; Banerji, Ranajoy; 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.; Ihle, Håvard Tveit; Jewell, J.B.; Karakci, Ata; Keihänen, Elina; Keskitalo, R.; Maggio, G.; Maino, D.; Maris, M.; Mennella, A.; Paradiso, S.; Partridge, B.; Reinecke, M.; San, Metin; 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 computational infrastructure for end-to-end Bayesian cosmic microwave background (CMB) analysis implemented by the BeyondPlanck Collaboration. The code is called Commander3 . It provides a statistically ...
  • BeyondPlanck: IV. Simulations and validation 
    Brilenkov, Maksym; Fornazier, K.S.F.; Hergt, L.T.; Hoerning, G.A.; Marins, A.; Murokoshi, T.; Rahman, F.; Stutzer, Nils-Ole; Zhou, Y.; Abdalla, F.B.; Andersen, Kristian Joten; Aurvik, Ragnhild; Banerji, Ranajoy; Basyrov, Artem; Battista, A.; Bersanelli, M.; Bertocco, S.; Bollanos, S.; 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; Hoang, T.D.; Ieronymaki, M.; Ihle, Håvard Tveit; Jewell, J.B.; Karakci, Ata; Keihänen, Elina; Keskitalo, R.; Maggio, G.; Maino, D.; Maris, M.; Paradiso, S.; Partridge, B.; Reinecke, M.; Suur-Uski, A.-S.; Svalheim, Trygve Leithe; Tavagnacco, D.; Thommesen, Harald; Tomasi, M.; Watts, Duncan; Wehus, Ingunn Kathrine; Zacchei, A. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
    End-to-end simulations play a key role in the analysis of any high-sensitivity cosmic microwave background (CMB) experiment, providing high-fidelity systematic error propagation capabilities that are unmatched by any other ...
  • BeyondPlanck: IX. Bandpass and beam leakage corrections 
    Svalheim, Trygve Leithe; Zonca, A.; Andersen, Kristian Joten; Aurvik, Ragnhild; Banerji, Ranajoy; Bersanelli, M.; Bertocco, S.; Brilenkov, Maksym; Carbone, M.; Colombo, L.P.L.; Eriksen, Hans Kristian Kamfjord; 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.; Maggio, G.; Maino, D.; Maris, M.; Paradiso, S.; Partridge, B.; Reinecke, M.; Suur-Uski, A.-S.; Tavagnacco, D.; Thommesen, Harald; Watts, Duncan; Wehus, Ingunn Kathrine; Zacchei, A. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
    We discuss the treatment of bandpass and beam leakage corrections in the Bayesian B EYOND P LANCK cosmic microwave background (CMB) analysis pipeline as applied to the Planck LFI measurements. As a preparatory step, we ...
  • BeyondPlanck: V. Minimal ADC Corrections for Planck LFI 
    Herman, Daniel Christopher; Watson, R.A.; Andersen, Kristian Joten; Aurvik, Ragnhild; Banerji, Ranajoy; Bersanelli, M.; Bertocco, S.; Brilenkov, Maksym; Carbone, M.; Colombo, L.P.L.; Eriksen, Hans Kristian Kamfjord; 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.; Maggio, G.; Maino, D.; Maris, M.; Mennella, A.; Paradiso, S.; Partridge, B.; Reinecke, M.; 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 correction procedure for Analog-to-Digital Converter (ADC) differential non-linearities (DNL) adopted in the Bayesian end-to-end B EYOND P LANCK analysis framework. This method is nearly identical to that ...
  • BeyondPlanck: VI. Noise characterization and modeling 
    Ihle, Håvard Tveit; Bersanelli, M.; Franceschet, C.; Gjerløw, Eirik; Andersen, Kristian Joten; Aurvik, Ragnhild; Banerji, Ranajoy; Bertocco, S.; Brilenkov, Maksym; Carbone, M.; Colombo, L.P.L.; Eriksen, Hans Kristian Kamfjord; Eskilt, Johannes Røsok; Foss, Marie Kristine; Fuskeland, Unni; Galeotta, S.; Galloway, Mathew; Gerakakis, S.; Hensley, B.; Herman, Daniel Christopher; Iacobellis, M.; Ieronymaki, M.; Jewell, J.B.; Karakci, Ata; Keihänen, Elina; Keskitalo, R.; Maggio, G.; Maino, D.; Maris, M.; Mennella, A.; Paradiso, S.; Partridge, B.; Reinecke, M.; San, Metin; 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 a Bayesian method for estimating instrumental noise parameters and propagating noise uncertainties within the global BEYONDPLANCK Gibbs sampling framework, which we applied to Planck Low Frequency Instrument ...
  • BeyondPlanck: VII. Bayesian estimation of gain and absolute calibration for cosmic microwave background experiments 
    Gjerløw, Eirik; Ihle, Håvard Tveit; Galeotta, S.; Andersen, Kristian Joten; Aurvik, Ragnhild; Banerji, Ranajoy; Bersanelli, M.; Bertocco, S.; Brilenkov, Maksym; Carbone, M.; Colombo, L.P.L.; Eriksen, Hans Kristian Kamfjord; Foss, Marie Kristine; Franceschet, C.; Fuskeland, Unni; Galloway, Mathew; Gerakakis, S.; Hensley, B.; Herman, Daniel Christopher; Iacobellis, M.; Ieronymaki, M.; Jewell, J.B.; Karakci, Ata; Keihänen, Elina; Keskitalo, R.; Maggio, G.; Maino, D.; Maris, M.; Paradiso, S.; Partridge, B.; Reinecke, M.; 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 a Bayesian calibration algorithm for cosmic microwave background (CMB) observations as implemented within the global end-to-end B EYOND P LANCK framework and applied to the Planck Low Frequency Instrument (LFI) ...
  • BeyondPlanck: VIII. Efficient sidelobe convolution and corrections through spin harmonics 
    Galloway, Mathew; Reinecke, M.; Andersen, Kristian Joten; Aurvik, Ragnhild; Banerji, Ranajoy; 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.; Ihle, Håvard Tveit; Jewell, J.B.; Karakci, Ata; Keihänen, Elina; Keskitalo, R.; Maggio, G.; Maino, D.; Maris, M.; Mennella, A.; Paradiso, S.; Partridge, B.; San, Metin; 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 introduce a new formulation of the Conviqt convolution algorithm in terms of spin harmonics, and apply this to the problem of sidelobe correction for B EYOND P LANCK , the first end-to-end Bayesian Gibbs sampling framework ...
  • BeyondPlanck: X. Planck Low Frequency Instrument frequency maps with sample-based error propagation 
    Basyrov, Artem; Suur-Uski, A.-S.; Colombo, L.P.L.; Eskilt, Johannes Røsok; Paradiso, S.; Andersen, Kristian Joten; Aurvik, Ragnhild; Banerji, Ranajoy; Bersanelli, M.; Bertocco, S.; Brilenkov, Maksym; Carbone, M.; Eriksen, Hans Kristian Kamfjord; 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.; Maggio, G.; Maino, D.; Maris, M.; Partridge, B.; Reinecke, M.; Svalheim, Trygve Leithe; Tavagnacco, D.; Thommesen, Harald; Watts, Duncan; Wehus, Ingunn Kathrine; Zacchei, A. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
    We present Planck Low Frequency Instrument (LFI) frequency sky maps derived within the B EYOND P LANCK framework. This framework draws samples from a global posterior distribution that includes instrumental, astrophysical, ...
  • BeyondPlanck: XI. Bayesian CMB analysis with sample-based end-to-end error propagation 
    Colombo, L.P.L.; Eskilt, Johannes Røsok; Paradiso, S.; Thommesen, Harald; Andersen, Kristian Joten; Aurvik, Ragnhild; Banerji, Ranajoy; Basyrov, Artem; Bersanelli, M.; Bertocco, S.; Brilenkov, Maksym; Carbone, M.; Eriksen, Hans Kristian Kamfjord; 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.; Maggio, G.; Maino, D.; Maris, M.; Partridge, B.; Reinecke, M.; Suur-Uski, A.-S.; Svalheim, Trygve Leithe; Tavagnacco, D.; Watts, Duncan; Wehus, Ingunn Kathrine; Zacchei, A. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
  • BeyondPlanck: XII. Cosmological parameter constraints with end-to-end error propagation 
    Paradiso, S.; Colombo, L.P.L.; Andersen, Kristian Joten; Aurvik, Ragnhild; Banerji, Ranajoy; Basyrov, Artem; Bersanelli, M.; Bertocco, S.; Brilenkov, Maksym; Carbone, M.; 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.; Maggio, G.; Maino, D.; Maris, M.; Partridge, B.; Reinecke, M.; San, Metin; 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 cosmological parameter constraints estimated using the Bayesian B EYOND P LANCK analysis framework. This method supports seamless end-to-end error propagation from raw time-ordered data onto final cosmological ...
  • 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 ...
  • BeyondPlanck: XIV. Polarized foreground emission between 30 and 70 GHz 
    Svalheim, Trygve Leithe; Andersen, Kristian Joten; Aurvik, Ragnhild; Banerji, Ranajoy; Bersanelli, M.; Bertocco, S.; Brilenkov, Maksym; Carbone, M.; Colombo, L.P.L.; Eriksen, Hans Kristian Kamfjord; 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.; Maggio, G.; Maino, D.; Maris, M.; Paradiso, S.; Partridge, B.; Reinecke, M.; Suur-Uski, A.-S.; Tavagnacco, D.; Thommesen, Harald; Watts, Duncan; Wehus, Ingunn Kathrine; Zacchei, A. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
    Using the Planck Low Frequency Instrument (LFI) and WMAP data within the global Bayesian B EYOND P LANCK framework, we constrained the polarized foreground emission between 30 and 70 GHz. We combined, for the first time, ...
  • BeyondPlanck: XV. Limits on large-scale polarized anomalous microwave emission from Planck LFI and WMAP 
    Herman, Daniel Christopher; Hensley, B.; Andersen, Kristian Joten; Aurvik, Ragnhild; Banerji, Ranajoy; Bersanelli, M.; Bertocco, S.; Brilenkov, Maksym; Carbone, M.; Colombo, L.P.L.; Eriksen, Hans Kristian Kamfjord; Foss, Marie Kristine; Fuskeland, Unni; Galeotta, S.; Galloway, Mathew; Gerakakis, S.; Gjerløw, Eirik; Iacobellis, M.; Ieronymaki, M.; Ihle, Håvard Tveit; Jewell, J.B.; Karakci, Ata; Keihänen, Elina; Keskitalo, R.; Maggio, G.; Maino, D.; Maris, M.; Paradiso, S.; Partridge, B.; Reinecke, M.; Suur-Uski, A.-S.; Svalheim, Trygve Leithe; Tavagnacco, D.; Thommesen, Harald; Wehus, Ingunn Kathrine; Zacchei, A. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
    We constrained the level of polarized anomalous microwave emission (AME) on large angular scales using Planck Low-Frequency Instrument (LFI) and WMAP polarization data within a Bayesian cosmic microwave background (CMB) ...
  • Characteristic functions for cosmological cross-correlations 
    Breysse, Patrick C.; Chung, Dongwoo T.; Ihle, Håvard Tveit (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
    ABSTRACT We introduce a novel unbiased, cross-correlation estimator for the one-point statistics of cosmological random fields. One-point statistics are a useful tool for analysis of highly non-Gaussian density ...
  • 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 ...