Browsing Institutt for teoretisk astrofysikk by Author "Readhead, Anthony C. S."

Now showing items 1-13 of 13

  • 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)
  • Demonstration of Magnetic Field Tomography with Starlight Polarization toward a Diffuse Sightline of the ISM 
    Panopoulou, Georgia V.; Tassis, Konstantinos; Skalidis, Raphael; Blinov, Dmitriy; Liodakis, Ioannis; Pavlidou, Vasiliki; Potter, Stephen B.; Ramaprakash, Anamparambu N.; Readhead, Anthony C. S.; Wehus, Ingunn Kathrine (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
    The availability of large data sets with stellar distance and polarization information will enable a tomographic reconstruction of the (plane-of-the-sky-projected) interstellar magnetic field in the near future. We demonstrate ...
  • Stress-induced birefringence in the lenses of Wide-Area Linear Optical Polarimeter-South 
    Anche, Ramya M.; Maharana, Siddharth; Ramaprakash, Anamparambu N.; Khodade, Pravin; Modi, Deepa; Rajarshi, Chaitanya; Kypriotakis, John A.; Blinov, Dmitry; Eriksen, Hans Kristian Kamfjord; Ghosh, Tuhin; Panopoulou, Georgia V.; Pelgrims, Vincent; Skalidis, Raphael; Pearson, Timothy J.; Gjerløw, Eirik; Mandarakas, Nikolaos; Pavlidou, Vasiliki; Potter, Stephen B.; Readhead, Anthony C. S.; Tassis, Konstantinos; Basyrov, Artem; Papadaki, Katerina; Svalheim, Trygve Leithe; Wehus, Ingunn Kathrine (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2022)
    Two unique wide-field and high-accuracy polarimeters named WALOP (Wide-Area Linear Optical Polarimeter)- North and WALOP-South are currently under development at the Inter-University Center for Astronomy and Astrophysics ...
  • WALOP-South: a four-camera one-shot imaging polarimeter for PASIPHAE survey. Paper II – polarimetric modeling and calibration 
    Maharana, Siddharth; Anche, Ranya M.; Ramaprakash, Anamparambu N.; Joshi, Bhushan; Basyrov, Artem; Blinov, Dmitry; Casadio, Carolina; Deka, Kishan; Eriksen, Hans Kristian Kamfjord; Gosh, Tuhin; Gjerløw, Eirik; Kypriotakis, John A.; Kiehlmann, Sebastian; Mandarakas, Nikolaos; Panopoulou, Georgia V.; Papadaki, Katerina; Pavlidou, Vasiliki; Pearson, Timothy J.; Pelgrims, Vincent; Potter, Stephen B.; Readhead, Anthony C. S.; Skalidis, Raphael; Svalheim, Trygve Leithe; Tassis, Konstantinos; Wehus, Ingunn Kathrine (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2022)
    The Wide-Area Linear Optical Polarimeter (WALOP)-South instrument is an upcoming wide-field and high accuracy optical polarimeter to be used as a survey instrument for carrying out the Polar-Areas Stellar Imaging in ...
  • WALOP-South: a four-camera one-shot imaging polarimeter for PASIPHAE survey. Paper I—optical design 
    Maharana, Siddharth; Kypriotakis, John A.; Ramaprakash, Anamparambu N.; Rajarshi, Chaitanya; Anche, Ranya M.; Shrish, Shrish; Blinov, Dmitry; Eriksen, Hans Kristian Kamfjord; Ghosh, Tuhin; Gjerløw, Eirik; Mandarakas, Nikolaos; Panopoulou, Georgia V.; Pavlidou, Vasiliki; Pearson, Timothy J.; Pelgrims, Vincent; Potter, Stephen B.; Readhead, Anthony C. S.; Skalidis, Raphael; Tassis, Konstantinos; Wehus, Ingunn Kathrine (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2021)
    The Wide-Area Linear Optical Polarimeter (WALOP)-South instrument will be mounted on the 1-m South African Astronomical Observatory telescope in South Africa as part of the Polar-Areas Stellar Imaging Polarization High ...
  • WALOP-South: A wide-field one-shot linear optical polarimeter for PASIPHAE survey 
    Maharana, Siddharth; Kypriotakis, John A.; Ramprakash, A. N.; Khodade, Pravin; Rajarshi, Chaitanya; Joshi, Bhushan; Chordia, Pravin; Anche, Ranya M.; Mishra, Shrish; Blinov, Dmitry; Eriksen, Hans Kristian Kamfjord; Ghosh, Tuhin Subhra; Gjerløw, Eirik; Mandarakas, Nikolaos; Panopoulou, Georgia V.; Pavlidou, Vasiliki; Pearson, Timothy J.; Pelgrims, Vincent; Potter, Stephen B.; Readhead, Anthony C. S.; Skalidis, Raphail; Tassis, Konstantinos; Wehus, Ingunn Kathrine (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2020)
    WALOP (Wide-Area Linear Optical Polarimeter)-South, to be mounted on the 1m SAAO telescope in South Africa, is first of the two WALOP instruments currently under development for carrying out the PASIPHAE survey. Scheduled ...