Space Development and Space Science Together, an Historic Opportunity
The national space programs have an historic opportunity to help solve the global-scale economic and environmental problems of Earth while becoming more effective at science through the use of space...
View ArticleAnalysis of the distribution of precipitable water vapor in the Chajnantor...
In this work, we present results from a long-term precipitable water vapor (PWV) study in the Chajnantor area, in northern Chile. Data from several instruments located at relevant sites for...
View ArticleNICIL: A stand alone library to self-consistently calculate non-ideal...
In this paper, we introduce Nicil: Non-Ideal magnetohydrodynamics Coefficients and Ionisation Library. Nicil is a stand-alone Fortran90 module that calculates the ionisation values and the coefficients...
View ArticleQualification Tests of the R11410-21 Photomultiplier Tubes for the XENON1T...
The Hamamatsu R11410-21 photomultiplier tube is the photodetector of choice for the XENON1T dual-phase time projection chamber. The device has been optimized for a very low intrinsic radioactivity, a...
View ArticleSuperconducting NbTiN Thin Films with Highly Uniform Properties over a 100 mm...
Uniformity in thickness and electronic properties of superconducting niobium titanium nitride (NbTiN) thin films is a critical issue for upscaling superconducting electronics, such as microwave kinetic...
View ArticleRadial Velocity Data Analysis with Compressed Sensing Techniques
We present a novel approach for analysing radial velocity data that combines two features: all the planets are searched at once and the algorithm is fast. This is achieved by utilizing compressed...
View ArticleResults and Perspectives of the Auger Engineering Radio Array
The Auger Engineering Radio Array (AERA) is an extension of the Pierre Auger Cosmic-Ray Observatory. It is used to detect radio emission from extensive air showers with energies beyond $10^{17}~$eV in...
View ArticleIn-situ absolute calibration of electric-field amplitude measurements with...
With the Auger Engineering Radio Array (AERA) located at the Pierre Auger Observatory, radio emission of extensive air showers is observed. To exploit the physics potential of AERA, electric-field...
View ArticleExtreme Scale-out SuperMUC Phase 2 – lessons learned [Cross-Listing]
In spring 2015, the Leibniz Supercomputing Centre (Leibniz-Rechenzentrum, LRZ), installed their new Peta-Scale System SuperMUC Phase2. Selected users were invited for a 28 day extreme scale-out block...
View ArticleSimCADO – an instrument data simulator package for MICADO at the E-ELT
MICADO will be the first-light wide-field imager for the European Extremely Large Telescope (E-ELT) and will provide difiraction limited imaging (7mas at 1.2mm) over a ~53 arcsecond field of view. In...
View ArticleThe E-ELT Multi-Object Spectrograph: latest news from MOSAIC
There are 8000 galaxies, including 1600 at z larger than 1.6, which could be simultaneously observed in an E-ELT field of view of 40 sq. arcmin. A considerable fraction of astrophysical discoveries...
View ArticlePhotometric Supernova Classification With Machine Learning [Replacement]
Automated photometric supernova classification has become an active area of research in recent years in light of current and upcoming imaging surveys such as the Dark Energy Survey (DES) and the Large...
View ArticleA Fourier dimensionality reduction model for big data interferometric imaging
Data dimensionality reduction in radio interferometry can provide critical savings of computational resources for image reconstruction, which is of paramount importance for the scalability of imaging...
View ArticleDetailed Design of a Deployable Tertiary Mirror for the Keck I Telescope
Motivated by the ever increasing pursuit of science with the transient sky (dubbed Time Domain Astronomy or TDA), we are fabricating and will commission a new deployable tertiary mirror for the Keck I...
View ArticlePolarimetry at millimeter wavelengths with the NIKA camera: calibration and...
Magnetic fields, which play a major role in a large number of astrophysical processes from galactic to cosmological scales, can be traced via observations of dust polarization as demonstrated by the...
View ArticleCompression of interferometric radio-astronomical data
The volume of radio-astronomical data is a considerable burden in the processing and storing of radio observations with high time and frequency resolutions and large bandwidths. Lossy compression of...
View ArticleConvolution kernels for multi-wavelength imaging
Astrophysical images issued from different instruments and/or spectral bands often require to be processed together, either for fitting or comparison purposes. However each image is affected by an...
View ArticleA kilo-pixel imaging system for future space based far-infrared observatories...
Future astrophysics and cosmic microwave background space missions operating in the far-infrared to millimetre part of the spectrum will require very large arrays of ultra-sensitive detectors in...
View ArticleComparative performance of selected variability detection techniques in...
Photometric measurements are prone to systematic errors presenting a challenge to low-amplitude variability detection. In search for a general-purpose variability detection technique able to recover a...
View ArticleA detector interferometric calibration experiment for high precision astrometry
Context: Exoplanet science has made staggering progress in the last two decades, due to the relentless exploration of new detection methods and refinement of existing ones. Yet astrometry offers a...
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