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- Centre National de la Recherche ScientifiqueFR265 papers
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16 papers · 2 filters
Validation Solutions to the Full-Sky Radio Interferometry Measurement Equation for Diffuse Emission
Adam E. Lanman, Steven G. Murray, Daniel C. Jacobs
Low-frequency radio observatories are reaching unprecedented levels of sensitivity in an effort to detect the 21 cm signal from the Cosmic Dawn. High precision is needed because th…
The Correlation Calibration of PAPER-64 data
Tamirat G. Gogo, Yin-Zhe Ma, Piyanat Kittiwisit +21
Observation of redshifted 21-cm signal from the Epoch of Reionization (EoR) is challenging due to contamination from the bright foreground sources that exceed the signal by several…
In-flight gain monitoring of SPIDER's transition-edge sensor arrays
J. P. Filippini, A. E. Gambrel, A. S. Rahlin +67
Experiments deploying large arrays of transition-edge sensors (TESs) often require a robust method to monitor gain variations with minimal loss of observing time. We propose a sens…
Probing the role of magnetic fields in star-forming filaments: NIKA2-Pol commissioning results toward OMC-1
H. Ajeddig, R. Adam, P. Ade +43
Dust polarization observations are a powerful, practical tool to probe the geometry (and to some extent, the strength) of magnetic fields in star-forming regions. In particular, Pl…
Onboard Dynamic Image Exposure Control for the Star-Planet Activity Research CubeSat (SPARCS)
Tahina Ramiaramanantsoa, Judd D. Bowman, Evgenya L. Shkolnik +19
The Star-Planet Activity Research CubeSat (SPARCS) is a 6U CubeSat under development to monitor the flaring and chromospheric activity of M dwarfs at near-ultraviolet (NUV) and far…
Scintillation-limited photometry with the 20-cm NGTS telescopes at Paranal Observatory
Sean M. O'Brien, Daniel Bayliss, James Osborn +17
Ground-based photometry of bright stars is expected to be limited by atmospheric scintillation, although in practice observations are often limited by other sources of systematic n…