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12 papers · 1 filter
Out-of-focus holography at the Effelsberg telescope
T. Cassanelli, U. Bach, B. Winkel +1
Out-of-focus (OOF) holography can be used to determine aperture deformations of radio telescopes that lead to errors in the phase of the complex aperture distribution. In contrast…
Compatibility Between Wind Turbines and the Radio Astronomy Service
Benjamin Winkel, Axel Jessner
Modern radio astronomical facilities are able to detect extremely weak electromagnetic signals not only from the universe but also from man-made radio frequency interference of var…
Spectrum management and compatibility studies with Python
B. Winkel, A. Jessner
We developed the pycraf Python package, which provides functions and procedures for various tasks related to spectrum-management compatibility studies. This includes an implementat…
Cygrid: A fast Cython-powered convolution-based gridding module for Python
B. Winkel, D. Lenz, L. Flöer
Data gridding is a common task in astronomy and many other science disciplines. It refers to the resampling of irregularly sampled data to a regular grid. We present cygrid, a libr…
The Effelsberg-Bonn HI Survey: Milky Way gas. First data release
B. Winkel, J. Kerp, L. Flöer +4
The Effelsberg-Bonn HI Survey (EBHIS) is a new 21-cm survey performed with the 100-m telescope at Effelsberg. It covers the whole northern sky out to a redshift of z~0.07 and compr…
SoFiA: a flexible source finder for 3D spectral line data
Paolo Serra, Tobias Westmeier, Nadine Giese +9
We introduce SoFiA, a flexible software application for the detection and parameterization of sources in 3D spectral-line datasets. SoFiA combines for the first time in a single pi…