Results 41 to 50 of about 669,031 (383)

Studies of the nature of the low-energy, gamma-like background for Cherenkov Telescope Array [PDF]

open access: yes, 2017
The upcoming Cherenkov Telescope Array (CTA) project is expected to provide unprecedented sensitivity in the low-energy (
Adamczyk, Katarzyna   +4 more
core   +1 more source

Science case for the Einstein telescope [PDF]

open access: yesJournal of Cosmology and Astroparticle Physics, 2019
The Einstein Telescope (ET), a proposed European ground-based gravitational-wave detector of third-generation, is an evolution of second-generation detectors such as Advanced LIGO, Advanced Virgo, and KAGRA which could be operating in the mid 2030s.
M. Maggiore   +17 more
semanticscholar   +1 more source

Black holes with scalar hair in light of the Event Horizon Telescope [PDF]

open access: yesJournal of Cosmology and Astroparticle Physics, 2020
Searching for violations of the no-hair theorem (NHT) is a powerful way to test gravity, and more generally fundamental physics, particularly with regards to the existence of additional scalar fields.
Mohsen Khodadi   +3 more
semanticscholar   +1 more source

The Australia Telescope National Facility Pulsar Catalogue [PDF]

open access: yes, 2003
We have compiled a new and complete catalog of the main properties of the 1509 pulsars for which published information currently exists. The catalog includes all spin-powered pulsars, as well as anomalous X-ray pulsars and soft gamma-ray repeaters ...
R. Manchester   +3 more
semanticscholar   +1 more source

First M87 Event Horizon Telescope Results. V. Physical Origin of the Asymmetric Ring [PDF]

open access: yesAstrophysical Journal, 2019
The Event Horizon Telescope (EHT) has mapped the central compact radio source of the elliptical galaxy M87 at 1.3 mm with unprecedented angular resolution. Here we consider the physical implications of the asymmetric ring seen in the 2017 EHT data.
K. Akiyama   +220 more
semanticscholar   +1 more source

GlSch: Observation Scheduler for the GLORIA Telescope Network [PDF]

open access: yes, 2017
This paper proposes the design and development of a scheduler for the GLORIA telescope network. This network, which main objective is to make astronomy closer to citizens in general, is formed by 18 telescopes spread over four continents and both ...
Castro Tirado, Alberto   +3 more
core   +3 more sources

First M87 Event Horizon Telescope Results. IV. Imaging the Central Supermassive Black Hole [PDF]

open access: yesAstrophysical Journal, 2019
We present the first Event Horizon Telescope (EHT) images of M87, using observations from April 2017 at 1.3 mm wavelength. These images show a prominent ring with a diameter of ~40 μas, consistent with the size and shape of the lensed photon orbit ...
K. Akiyama   +214 more
semanticscholar   +1 more source

Wavelength-Dependent Seeing Systematically Changes the Normalized Slope of Telescopic Reflectance Spectra of Mercury

open access: yesRemote Sensing, 2022
Telescopic observations of Mercury consistently report systematic variations of the normalized spectral slope of visible-to-near-infrared reflectance spectra.
Kay Wohlfarth, Christian Wöhler
doaj   +1 more source

Atmospheric Conditions within Big Telescope Alt-Azimuthal Region and Possibilities of Astronomical Observations

open access: yesRemote Sensing, 2022
The paper presents the results of analysis of astroclimatic conditions in the Big Telescope Alt-azimuthal (BTA) region (40°N–50°N; 35°E–55°E). Using data from the European center for medium-range weather forecast ReAnalysis (ERA-5), we estimated the ...
Artem Yu. Shikhovtsev   +8 more
doaj   +1 more source

The Metagenomic Telescope

open access: yesPLoS ONE, 2014
Next generation sequencing technologies led to the discovery of numerous new microbe species in diverse environmental samples. Some of the new species contain genes never encountered before. Some of these genes encode proteins with novel functions, and some of these genes encode proteins that perform some well-known function in a novel way.
Szalkai, Balázs   +4 more
openaire   +5 more sources

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