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Shared-optical-path VLBI frequency phase transfer from 86 to 258 GHz on an 8600 km baseline: Demonstrated with the APEX and IRAM 30 m telescopes
G. -Y. Zhao, A. L. Roy, J. F. Wagner +24
The receiver N3AR operating at a frequency range between 67 and 116 GHz has been commissioned at the APEX telescope in October 2024. This adds a new low-frequency band for APEX, wi…
NIKA2 mapping and cross-instrument SED extraction of extended sources with Scanamorphos
H. Roussel, N. Ponthieu, R. Adam +38
The steps taken to tailor to NIKA2 observations the Scanamorphos algorithm (initially developed to subtract low-frequency noise from Herschel on-the-fly observations) are described…
Calibration and Performance of the NIKA2 camera at the IRAM 30-meter Telescope
L. Perotto, N. Ponthieu, J. -F. Macías-Pérez +45
NIKA2 is a dual-band millimetric continuum camera of 2900 Kinetic Inductance Detectors (KID), operating at and , installed at the IRAM 30-meter telescope. We p…
Polarimetry at millimeter wavelengths with the NIKA camera: calibration and performance
A. Ritacco, N. Ponthieu, A. Catalano +37
Magnetic fields, which play a major role in a large number of astrophysical processes from galactic to cosmological scales, can be traced via observations of dust polarization as d…
Performance and calibration of the NIKA camera at the IRAM 30 m telescope
A. Catalano, M. Calvo, N. Ponthieu +34
The New IRAM KID Array (NIKA) instrument is a dual-band imaging camera operating with Kinetic Inductance Detectors (KID) cooled at 100 mK. NIKA is designed to observe the sky at wa…