News
July 2021: Youtube Vortrag in der Serie Faszination Astronomie Online des Haus der Astronomie zum Thema "Zeitreise Radioastronomie: Von Heinrich Hertz zum Event Horizon Teleskop
June 2021: The eROSITA View of the Abell 3391/95 Field: The Northern Clump -- The Largest Infalling Structure in the Longest Known Gas Filament Observed with eROSITA, XMM-Newton, Chandra
June 2021: First studies of the diffuse X-ray emission in the Large Magellanic Cloud with eROSITA
March 2021: The Abell 3391/95 galaxy cluster system. A 15 Mpc intergalactic medium emission filament, a warm gas bridge, infalling matter clumps, and (re-) accelerated plasma discovered by combining SRG/eROSITA data with ASKAP/EMU and DECam data
January 2021: Local HI filaments driven by a small-scale dynamo. Unraveling velocities and tangling of dusty magnetized structures
January 2021: Blind H I and OH Absorption Line Search: First Results with MALS and uGMRT Processed Using ARTIP
July 2020: Atomic and molecular gas properties during cloud formation
June 2020: WALLABY -- An SKA Pathfinder HI Survey
April 2020: HI filaments are cold and associated with dark molecular gas. HI4PI based estimates of the local diffuse CO-dark H2 distribution
August 2019: EZOA - a catalogue of EBHIS H I-detected galaxies in the northern Zone of Avoidance
April 2018: A new approach for short-spacing correction of radio interferometric datasets
September 2017: A new approach for short-spacing correction of radio interferometric data sets
August 2017: The MeerKAT Absorption Line Survey (MALS)
July 2017: HI anisotropies associated with radio-polarimetric filaments. Steep power spectra associated with cold gas
October 2016: HI4PI: a full-sky HI survey based on EBHIS and GASS
Movie: HI4PI: A journey through the Milky Way Galaxy
Movie: HI4PI: Watch the northern and southern hemisphere
Data: HI4PI data at CDS HI4PI: science data
September 2016: An all-sky census of Galactic high-latitude molecular intermediate-velocity clouds
August 2016: Anisotropies in the HI gas distribution toward 3C196
July 2016: High-resolution HI and CO observations of high-latitude intermediate-velocity clouds
April 2016: Cold Milky Way Hi gas in filaments
April 2016: Star formation in a diffuse high-altitude cloud?
April 2016: A survey of HI gas toward the Andromeda Galaxy
December 2015: Dust in a compact, cold, high-velocity cloud: A new approach to removing foreground emission
November 2015: The Effelsberg-Bonn HI Survey: Milky Way Gas
August 2015: Baryonic Tully-Fisher relation appears to be more "fundamental" than the classical one
June 2015: No significant differences in gas dynamics between "blue" and "red" galaxies in the local universe
January 2015: EBHIS/Planck correlation associates High-Velocity Cloud with the formation of a molecular Intermediate-Velocity Cloud
November 2014: HI/Planck correlation: The cosmic infared background watched through the Milky Way HI window
October 2014: Stellar flaring matches the gaseous component
September 2014: Source finding and parametrization: EBHIS as testbed for future surveys
June 2014: HI/Planck correlation: Dust emission of the diffuse interstellar medium
April 2014: EBHIS/Planck correlation discloses formation of molecular clouds at high Galactic altitudes
March 2014: Combining single dish and radio interferometric data: a combination pipeline in the space domain
November 2013: Fueling the Interstellar Medium: High-Velocity Clouds impact?
July 2013: Westerbork study of "blue" and "red" galaxies in the local volume?
March 2013: sky coverage of EBHIS
February 2013: DFG continous funding of EBHIS for additional two years (KE757/7-3)
October 2011:Wissenschaftler durchmustern den Nordhimmel Pressemitteilung der Universität Bonn über erste EBHIS Ergebnisse
October 2011: Erstes radioastronomisches Praktikum mit neun Teilnehmern am Stockert abgehalten als praktische Ergänzung zur Einführung in die Radioastronomie
March 2011: astro123: Einführung in die Radioastronomie ist ab Sommersemester 2011 Teil des Bachelor Studiums der Physik
January 2011: DFG continuous funding (KE757/7-2) of the Effelsberg-Bonn HI Survey until end 2013
September 2010: XILINX supports the development of new radio spectrometer by donation of latest FPGA chips
Contact
Argelander-Institut für AstronomieUniversität Bonn
Auf dem Hügel 71
D-53121 Bonn
Office: Room 1.005
Tel: ++49 228 73 3667
Fax: ++49 228 73 1775
Email: jkerp@astro.uni-bonn.de
Lectures and Seminars
physik541: Proseminar Päsentationstechnik
astro121: Einführung in die Astronomie
astro123: Einführung in die Radiostronomie
astro855: Dark matter and dark energy explored by radio and X-ray observations with T. Reiprich