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ALMA High-frequency Long Baseline Campaign in 2021: Highest Angular Resolution Submillimeter Wave Images for the Carbon-rich Star R Lep
Yoshiharu Asaki, Luke T. Maud, Harold Francke +11
The Atacama Large Millimeter/submillimeter Array (ALMA) was used in 2021 to image the carbon-rich evolved star R Lep in Bands 8-10 (397-908 GHz) with baselines up to 16 km. The goa…
Updates to ALMA Site Properties: using the ESO-Allegro Phase RMS database -- ALMA Memo 624
Luke T. Maud, Andrés F. Pérez-Sánchez, Yoshiharu Asaki +3
We present a long-term overview of the atmospheric phase stability at the Atacama Large Millimeter/submillimeter Array (ALMA) site, using >5 years of data, that acts as the success…
The Transformational Power of Frequency Phase Transfer Methods for ngEHT
María J. Rioja, Richard Dodson, Yoshiharu Asaki
(Sub) mm VLBI observations are strongly hindered by limited sensitivity, with the fast tropospheric fluctuations being the dominant culprit. We predict great benefits from applying…