4 papers
The ngVLA Band-4 Water Vapor Radiometry Concept
Tirupati Kumara Sridharan, Robert Lehmensiek, Yoshiharu Asaki
The ngVLA has adopted a standalone system with a ~1.5 m diameter antenna and associated ambient temperature receiver and electronics at each antenna as its baseline design fo…
Approaches to High Dynamic Range Imaging - Application to the ngVLA
T. K. Sridharan, S. Bhatnagar, P. Jagannathan +1
The ngVLA is a new interferometric radio astronomy facility with transformative capabilities, being developed by the National Radio Astronomy Observatory. It combines two orders of…
Feasibility of Self-Calibration for ngVLA Dynamic Range Requirements
T. K. Sridharan, S. Bhatnagar
The ngVLA is a new interferometric radio astronomy facility with transformative capabilities, being developed by the National Radio Astronomy Observatory. It combines two orders of…
Absolute Flux Density Calibration of the Greenland Telescope Data for Event Horizon Telescope Observations
J. Y. Koay, K. Asada, S. Matsushita +35
Starting from the observing campaign in April 2018, the Greenland Telescope (GLT) has been added as a new station of the Event Horizon Telescope (EHT) array. Visibilities on baseli…