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View article: Study of solar brightness profiles in the 18–26 GHz frequency range with INAF radio telescopes
Study of solar brightness profiles in the 18–26 GHz frequency range with INAF radio telescopes Open
An error occurred during the production process. Some units have been mistakenly changed in the text: each “mm” (millimeter) unit should read “Mm” (megameter).
View article: Study of solar brightness profiles in the 18–26 GHz frequency range with INAF radio telescopes
Study of solar brightness profiles in the 18–26 GHz frequency range with INAF radio telescopes Open
Context. One of the most important objectives of solar physics is to gain a physical understanding of the solar atmosphere, whose structure can also be described in terms of the density ( N ) and temperature ( T ) distributions of the atmo…
View article: Study of solar brightness profiles in the 18-26 GHz frequency range with INAF radio telescopes II. Evidence for coronal emission
Study of solar brightness profiles in the 18-26 GHz frequency range with INAF radio telescopes II. Evidence for coronal emission Open
One of the most important objectives of solar physics is the physical understanding of the solar atmosphere, the structure of which is also described in terms of the density (N) and temperature (T) distributions of the atmospheric matter. …
View article: Study of solar brightness profiles in the 18–26 GHz frequency range with INAF radio telescopes
Study of solar brightness profiles in the 18–26 GHz frequency range with INAF radio telescopes Open
Context. The Sun is an extraordinary workbench, on which several fundamental astronomical parameters can be measured with high precision. Among these parameters, the solar radius R ⊙ plays an important role in several aspects, for instance…
View article: Study of solar brightness profiles in the 18-26 GHz frequency range with INAF radio telescopes I: solar radius
Study of solar brightness profiles in the 18-26 GHz frequency range with INAF radio telescopes I: solar radius Open
The Sun is an extraordinary workbench, from which several fundamental astronomical parameters can be measured with high precision. Among these parameters, the solar radius $R_{\odot}$ plays an important role in several aspects, such as in …
View article: Solar Observations with Single-Dish INAF Radio Telescopes: Continuum Imaging in the 18 – 26 GHz Range
Solar Observations with Single-Dish INAF Radio Telescopes: Continuum Imaging in the 18 – 26 GHz Range Open
We present a new solar radio imaging system implemented through the upgrade of the large single-dish telescopes of the Italian National Institute for Astrophysics (INAF), not originally conceived for solar observations. During the developm…
View article: Feasibility Study of a W-Band Multibeam Heterodyne Receiver for the Gregorian Focus of the Sardinia Radio Telescope
Feasibility Study of a W-Band Multibeam Heterodyne Receiver for the Gregorian Focus of the Sardinia Radio Telescope Open
We report on the feasibility study of a W-band multibeam heterodyne receiver for the Sardinia Radio Telescope (SRT), a general purpose fully steerable 64-m diameter antenna located on the Sardinia island, Italy, managed by INAF (“Istituto …
View article: The Coaxial L-P Cryogenic Receiver of the Sardinia Radio Telescope
The Coaxial L-P Cryogenic Receiver of the Sardinia Radio Telescope Open
The design and characterization of the coaxial dual-band L-P radio astronomical receiver for the prime focus of the Sardinia radio telescope are presented. The main feature of this receiver is to allow simultaneous radio astronomical obser…
View article: Status of the High-Frequency Upgrade of the Sardinia Radio Telescope
Status of the High-Frequency Upgrade of the Sardinia Radio Telescope Open
The Sardinia Radio Telescope is going through a major upgrade aimed at observing the universe at up to 116 GHz.A budget of 18.700.000E has been awarded to the Italian National Institute of Astrophysics to acquire new state-of-the-art recei…
View article: An International Survey of Front-end Receivers and Observing Performance of Telescopes for Radio Astronomy
An International Survey of Front-end Receivers and Observing Performance of Telescopes for Radio Astronomy Open
This paper presents a survey of microwave front-end receivers installed at radio telescopes throughout the world. This unprecedented analysis was conducted as part of a review of front-end developments for Italian radio telescopes, initiat…
View article: EATING VLBI and KVN-Yebes observations of AGN jets
EATING VLBI and KVN-Yebes observations of AGN jets Open
Firstly, we introduce 'EATING VLBI', East Asia To Italy: Nearly Global VLBI. It is an Eurasian VLBI collaboration of East Asia (EAVN) and Italy (VLBIT). The cooperation of the VLBIT and the EAVN provided high angular resolution to the sens…
View article: Review On "Receivers For Radio Astronomy" Report
Review On "Receivers For Radio Astronomy" Report Open
A description about the contents of the recently completed report surveying the status of the current receivers available at the Italian radio telescopes as well as those ones under development will be presented. A brief look at the Recomm…
View article: The Sardinia Radio Telescope
The Sardinia Radio Telescope Open
[Abridged] The Sardinia Radio Telescope (SRT) is the new 64-m dish operated by INAF (Italy). Its active surface will allow us to observe at frequencies of up to 116 GHz. At the moment, three receivers, one per focal position, have been ins…
View article: The Sardinia Radio Telescope: From a Technological Project to a Radio Observatory
The Sardinia Radio Telescope: From a Technological Project to a Radio Observatory Open
[Abridged] The Sardinia Radio Telescope (SRT) is the new 64-m dish operated by INAF (Italy). Its active surface will allow us to observe at frequencies of up to 116 GHz. At the moment, three receivers, one per focal position, have been ins…
View article: Sardinia Radio Telescope: General Description, Technical Commissioning and First Light
Sardinia Radio Telescope: General Description, Technical Commissioning and First Light Open
In the period 2012 June–2013 October, the Sardinia Radio Telescope (SRT) went through the technical commissioning phase. The characterization involved three first-light receivers, ranging in frequency between 300[Formula: see text]MHz and …
View article: The SRT: Astronomical Validation & Scientific Perspectives
The SRT: Astronomical Validation & Scientific Perspectives Open
The Sardinia Radio Telescope (SRT) is the new 64-m dish operated by INAF (Italy).Its active surface, made of 1, 008 separate aluminium panels supported by electromechanical actuators, will allow us to observe up to frequencies of ∼ 100 GHz…