Results 31 to 40 of about 91,559 (240)
The ROTSE-III Robotic Telescope System [PDF]
, 2002 The observation of a prompt optical flash from GRB990123 convincingly demonstrated the value of autonomous robotic telescope systems. Pursuing a program of rapid follow-up observations of gamma-ray bursts, the Robotic Optical Transient Search Experiment (
Beatty J. +19 more
core +4 more sources
Light pollution in the Tatra National Park [PDF]
Archives of Environmental ProtectionLight pollution in the form of artificial sky glow affects not only the immediate surroundings of the towns that generate it but also more distant areas, including protected regions. This study examines the extent of the impact of the artificial sky glow,
Tomasz Ściężor +2 more
doaj +1 more source
Measurements of sky brightness at Bosscha Observatory, Indonesia
Heliyon, 2020 To determine the level of light pollution due to human activities, we performed sky-brightness measurements at Bosscha Observatory, Indonesia (107°36′E; 6°49′S, 1300 m above sea level) for seven years from 2011 to 2018, using a portable photometer ...
D. Herdiwijaya +7 more
doaj +1 more source
Calibrating Nighttime Satellite Imagery with Red Photometer Networks
Remote Sensing, 2023 The data retrieved from satellite imagery and ground-based photometers are the two main sources of information on light pollution and are thus the two main tools for tackling the problem of artificial light pollution at night (ALAN). While satellite data
Borja Fernandez-Ruiz +5 more
doaj +1 more source
Evaluation of lighting conditions in portable classrooms and analysis for alternative daylighting systems [PDF]
, 2017 Lighting conditions in multiple classrooms in central Texas were assessed, and the feasibility of improving portable classroom daylighting via alternative daylighting systems was also evaluated.
Zhang, Yan, M.S. in Engineering
core +1 more source
Intercomparisons of Nine Sky Brightness Detectors
Sensors, 2011 Nine Sky Quality Meters (SQMs) have been intercompared during a night time measurement campaign held in the Netherlands in April 2011. Since then the nine SQMs have been distributed across the Netherlands and form the Dutch network for monitoring night ...
Henk Spoelstra +5 more
doaj +1 more source
The Shape of Dark Matter Haloes IV. The Structure of Stellar Discs in Edge-on Galaxies [PDF]
, 2016 We present optical and near-infrared archival observations of eight edge-on galaxies. These observations are used to model the stellar content of each galaxy using the FitSKIRT software package.
de Geyter, G. +3 more
core +3 more sources
BioResources, 2016 This paper explores the potential of wood for improving environmental quality in interior spaces. In northern climate cities where overcast skies predominate, interior spaces may appear gloomy or dull, since natural light is white and uniform ...
Hoda Jafarian +3 more
doaj +1 more source
Performance of Smartphone BDS-3/GPS/Galileo Multi-Frequency Ionosphere-Free Precise Code Positioning
Remote Sensing, 2023 The continuously improving performance of mass-market global navigation satellite system (GNSS) chipsets is enabling the prospect of high-precision GNSS positioning for smartphones.
Ruiguang Wang +4 more
doaj +1 more source
The night sky brightness at Potsdam-Babelsberg
, 2013 We analyze the results of a 2 years (2011--2012) time series of night sky photometry performed at the Leibniz Institute for Astrophysics in Potsdam (AIP).
Posch, Thomas +3 more
core +1 more source