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20072024
most citedFirst M87 Event Horizon Telescope Results. II. Array and Instrumentation

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astro-ph2007★ 23 cited

Calibration of the Relationship between Precipitable Water Vapor and 225 GHz Atmospheric Opacity via Optical Echelle Spectroscopy at Las Campanas Observatory

Joanna Thomas-Osip, Andrew McWilliam, M. M. Phillips +4

We report precipitable water vapor (PWV) measurements made at Las Campanas Observatory using optical spectra of H2O lines obtained with the Magellan echelle spectrograph, and calcu…