Two-year Cosmology Large Angular Scale Surveyor (CLASS) Observations: A First Detection of Atmospheric Circular Polarization at Q band

The Earth's magnetic field induces Zeeman splitting of the magnetic dipole transitions of molecular oxygen in the atmosphere, which produces polarized emission in the millimeter-wave regime. This polarized emission is primarily circularly polarized and manifests as a foreground with a dipole-sh...

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Veröffentlicht in:	The Astrophysical journal 2020-02, Vol.889 (2), p.120, Article 120
Hauptverfasser:	Petroff, Matthew A., Eimer, Joseph R., Harrington, Kathleen, Ali, Aamir, Appel, John W., Bennett, Charles L., Brewer, Michael K., Bustos, Ricardo, Chan, Manwei, Chuss, David T., Cleary, Joseph, Couto, Jullianna Denes, Dahal, Sumit, Dünner, Rolando, Essinger-Hileman, Thomas, Rojas, Pedro Fluxá, Gothe, Dominik, Iuliano, Jeffrey, Marriage, Tobias A., Miller, Nathan J., Núñez, Carolina, Padilla, Ivan L., Parker, Lucas, Reeves, Rodrigo, Rostem, Karwan, Nunes Valle, Deniz Augusto, Watts, Duncan J., Weiland, Janet L., Wollack, Edward J., Xu, Zhilei
Format:	Artikel
Sprache:	eng
Schlagworte:	Amplitudes Astronomical instrumentation Astronomy & Astrophysics Astrophysics Atmospheric effects Circular polarization Computer simulation Cosmic microwave background Cosmic microwave background radiation Cosmology Emission Magnetic dipoles Magnetic fields Millimeter waves Observational cosmology Oxygen Physical Sciences Polarimeters Polarization Radiative transfer Science & Technology Sky Spatial distribution
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