Automated measurements of F-region Dynamics at the Millstone Hill Observatory and other Upper Atmospheric Facilities

Details Automated measurements of F-region Dynamics at the Millstone Hill Observatory and other Upper Atmospheric Facilities Automated measurements of F-region Dynamics at the Millstone Hill Observatory and other Upper Atmospheric Facilities

Dec 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011agufmsa31b1982n&link_type=abstract

American Geophysical Union, Fall Meeting 2011, abstract #SA31B-1982

Physics

[0310] Atmospheric Composition And Structure / Airglow And Aurora, [0358] Atmospheric Composition And Structure / Thermosphere: Energy Deposition, [7924] Space Weather / Forecasting

Scientific paper

Results from recently upgraded Fabry Perot interferometer systems installed at the Millstone Hill observatory in Westford Massachusetts are presented. These instruments autonomously observe the 630.0 nm emission from thermospheric O1D and the O1S 557.7 nm emission from lower thermospheric Oxygen. The older single pixel detection system was replaced with a low noise CCD camera, and the order-sorting interference filter is located in a telecentric position, The instrument control system is modernized for fully remote or automated control through internet communication. Thermospheric winds and temperatures are collected every clear night of any month, with wavelength calibration, camera diagnostics (bias, dark, and flat-field calibrations), and data taking control available from any internet connection. Neutral meridional and zonal wind vectors typically have 1 m/s errors and neutral temperatures have statistical errors <15K in four minute exposures . Operation and analysis algorithms operate in a fully automated manner, including calculation of geophysical parameters with a data quality index, and these data are made available on the internet each morning following observations the previous night. These capabilities will soon be extended to the Arecibo Observatory, providing reliable and chain-consistent neutral wind and temperature data to the modeling community.

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