학술논문

Effects of the Hunga Tonga-Hunga Ha'apai Volcanic Eruption on Observations at Paranal Observatory
Document Type
Working Paper
Source
Subject
Astrophysics - Instrumentation and Methods for Astrophysics
Physics - Atmospheric and Oceanic Physics
Language
Abstract
The Hunga Tonga-Hunga Ha'apai volcano erupted on 15 January 2022 with an energy equivalent to around 61 megatons of TNT. The explosion was bigger than any other volcanic eruption so far in the 21st century. Huge quantities of particles, including dust and water vapour, were released into the atmosphere. We present the results of a preliminary study of the effects of the explosion on observations taken at Paranal Observatory using a range of instruments. These effects were not immediately transitory in nature, and a year later stunning sunsets are still being seen at Paranal.
Comment: 4 pages, 5 figures, published in ESO Messenger vol. 190