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View article: Oscillating liquid metal drop under uniform magnetic field in zero gravity conditions
Oscillating liquid metal drop under uniform magnetic field in zero gravity conditions Open
A theoretical and numerical study on the dynamics of a spherical droplet of liquid metal in zero-gravity conditions in the presence of a uniform magnetic field is presented. The droplet is initially deformed into an ellipsoidal shape and t…
View article: Microstructure and properties of in-situ rf sputtered YBa sub 2 Cu sub 3 O sub 7 thin films for microwave applications
Microstructure and properties of in-situ rf sputtered YBa sub 2 Cu sub 3 O sub 7 thin films for microwave applications Open
The residual surface resistance of a number of films of YBa{sub 2}Cu{sub 3}O{sub 7}, prepared by off-axis sputtering onto MgO substrates, has been measured using parallel-plate resonator technique. Deposition conditions were kept constant,…
View article: Understanding the response behavior of potentiometric gas sensors for non-equilibrium gas mixtures
Understanding the response behavior of potentiometric gas sensors for non-equilibrium gas mixtures Open
Many applications of gas sensors require concentration measurements of reactive gases in mixtures that are out of thermodynamic equilibrium. These applications include: hydrogen and hydrocarbon fuel gas sensors operating in ambient air for…
View article: Mixed potential sensors for CO monitoring
Mixed potential sensors for CO monitoring Open
A carbon monoxide sensor based on the phenomenon of 'mixed-potential' has been developed. The sensor consists of platinum and gold wire-electrodes embedded in a Ce{sub 0.8}Gd{sub 0.2}O{sub 1.9} electrolyte. The sensor response to 500 ppm o…
View article: Towards building a trustworthy pipeline integrating Neuroscience Gateway and Open Science Chain
Towards building a trustworthy pipeline integrating Neuroscience Gateway and Open Science Chain Open
When the scientific dataset evolves or is reused in workflows creating derived datasets, the integrity of the dataset with its metadata information, including provenance, needs to be securely preserved while providing assurances that they …
View article: Analysing the structure of the bulge with Mira variables
Analysing the structure of the bulge with Mira variables Open
Context. The Galactic bulge at latitude 4 < | b |(deg) < 10 was claimed to show an X-shape, which means that stellar density distributions along the line of sight have a double peak. However, this double peak is only observed with the red-…
View article: EMIR, the near-infrared camera and multi-object spectrograph for the GTC
EMIR, the near-infrared camera and multi-object spectrograph for the GTC Open
We present EMIR, a powerful near-infrared (NIR) camera and multi-object spectrograph (MOS) installed at the Nasmyth focus of the 10.4 m GTC. EMIR was commissioned in mid-2016 and is offered as a common-user instrument. It provides spectral…
View article: FRIDA: diffraction-limited imaging and integral-field spectroscopy for the GTC
FRIDA: diffraction-limited imaging and integral-field spectroscopy for the GTC Open
FRIDA is a diffraction-limited imager and integral-field spectrometer that is being built for the adaptive-optics focus of the Gran Telescopio Canarias. In imaging mode FRIDA will provide scales of 0.010, 0.020 and 0.040 arcsec/pixel and i…
View article: Spectrograph design for the Asgard/BIFROST spectro-interferometric instrument for the VLTI
Spectrograph design for the Asgard/BIFROST spectro-interferometric instrument for the VLTI Open
This is the final version. Available from SPIE via the DOI in this record
View article: Spectrograph design for the Asgard/BIFROST spectro-interferometric instrument for the VLTI
Spectrograph design for the Asgard/BIFROST spectro-interferometric instrument for the VLTI Open
The BIFROST instrument will be the first VLTI instrument optimised for high spectral resolution up to R=25,000 and operate between 1.05 and 1.7 $μ$m. A key component of the instrument will be the spectrograph, where we require a high throu…
View article: <i>Gaia</i>-DR2 extended kinematical maps
<i>Gaia</i>-DR2 extended kinematical maps Open
Context. In our Paper I, by using statistical deconvolution methods, extended kinematics maps of Gaia -DR2 data have been produced in a range of heliocentric distances that are a factor of two to three larger than those analyzed previously…
View article: Gaia-DR2 extended kinematical maps. Part II: Dynamics in the Galactic disk explaining radial and vertical velocities
Gaia-DR2 extended kinematical maps. Part II: Dynamics in the Galactic disk explaining radial and vertical velocities Open
Context: In our Paper I, by using statistical deconvolution methods, extended kinematics maps of Gaia-DR2 data have been produced in a range of heliocentric distances that are a factor of two to three larger than those analyzed previously …
View article: The WIRCam Ultra Deep Survey (WUDS)
The WIRCam Ultra Deep Survey (WUDS) Open
The aim of this paper is to introduce the WIRCam Ultra Deep Survey (WUDS), a near-IR photometric survey carried out at the CFH Telescope in the field of the CFHTLS-D3 field (Groth Strip). WUDS includes four near-IR bands ( Y , J , H and K …
View article: The WIRCam Ultra Deep Survey (WUDS) I. Survey overview and UV luminosity functions at z~5 and z~6
The WIRCam Ultra Deep Survey (WUDS) I. Survey overview and UV luminosity functions at z~5 and z~6 Open
The aim of this paper is to introduce the WIRCam Ultra Deep Survey (WUDS), a near-IR photometric public survey carried out at the CFH Telescope in the field of the CFHTLS-D3 field (Groth Strip). WUDS includes four near-IR bands (Y, J, H an…
View article: Roadmap search based motion planning for MIRADAS probe arms
Roadmap search based motion planning for MIRADAS probe arms Open
MIRADAS is a near-infrared multiobject echelle spectrograph operating at spectral resolution R = 20,000 over the 1 to 2.5 μm bandpass for Gran Telescopio Canarias. It possesses a multiplexing system with 12 cryogenic robotic probe arms, ea…
View article: Disk stars in the Milky Way detected beyond 25 kpc from its center
Disk stars in the Milky Way detected beyond 25 kpc from its center Open
Context. The maximum size of the Galactic stellar disk is not yet known. Some studies have suggested an abrupt drop-off of the stellar density of the disk at Galactocentric distances R ≳ 15 kpc, which means that in practice no disk stars o…
View article: WIRCam Ultra Deep Survey photometric catalogs
WIRCam Ultra Deep Survey photometric catalogs Open
International audience
View article: Report on the Workshop "Dispersing Elements for Astronomy: New Trends and Possibilities"
Report on the Workshop "Dispersing Elements for Astronomy: New Trends and Possibilities" Open
Astronomical spectrographs play an important role in addressing some of the biggest challenges in modern astronomy. One of the most critical components of any spectrograph is its dispersing element, since it determines the resolution and d…
View article: EMIR at the GTC: results on the commissioning at the telescope
EMIR at the GTC: results on the commissioning at the telescope Open
We report the results on the EMIR1 (Espectrografo Multiobjeto Infra-Rojo) performances after the commissioning period of the instrument at the Gran Telescopio Canarias (GTC). EMIR is one of the first common user instruments for the GTC, th…