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Apr 25, 2012

Recognizing magnetic structures by present and future radio telescope…

We investigate whether the method of wavelet-based Faraday rotation measure (RM) Synthesis can help us to identify structures of regular and turbulen…
Jan 07, 2011

Six New Recycled Globular Cluster Pulsars Discovered with the Green B…

We have completed sensitive searches for new pulsars in seven globular clusters using the Robert C. Byrd Green Bank Telescope, and have discovered si…
Sep 20, 2011

The molecular gas in Luminous Infrared Galaxies I: CO lines, extreme …

We report results from a large molecular line survey of Luminous Infrared Galaxies (L_{IR} >= 10^{11} L_sol) in the local Universe (z<=0.1), conducte…
Jan 23, 2016

Radio polarization and magnetic field structure in M 101

We observed total and polarized radio continuum emission from the spiral galaxy M 101 at 6.2 cm and 11.1 cm wavelengths with the Effelsberg telescope…
Jun 27, 2012

AMBER and CRIRES observations of the binary sgB[e] star HD 327083: …

HD 327083 is a sgB[e] star that forms a binary system with an orbital semi-major axis of ~1.7 AU. Our previous observations using the VLTI and AMBER …
Oct 08, 2018

Parkes Pulsar Timing Array constraints on ultralight scalar-field dar…

It is widely accepted that dark matter contributes about a quarter of the critical mass-energy density in our Universe. The nature of dark matter is …
Feb 19, 2015

Magnetic fields in the nearby spiral galaxy IC 342: A multi-frequency…

The total and polarized radio continuum emission of IC 342 was observed in four wavelength bands with the Effelsberg and VLA telescopes. The frequenc…
Nov 02, 2011

Discovery of Nine Gamma-Ray Pulsars in Fermi-LAT Data Using a New Bli…

We report the discovery of nine previously unknown gamma-ray pulsars in a blind search of data from the Fermi Large Area Telescope (LAT). The pulsars…
Mar 29, 2013

Fermi LAT pulsed detection of PSR J0737-3039A in the double pulsar …

We report the Fermi Large Area Telescope discovery of gamma-ray pulsations from the 22.7 ms pulsar A in the double pulsar system J0737-3039A/B. This …
Mar 20, 2008

High Resolution Radio Astronomy Using Very Long Baseline Interferomet…

Very Long Baseline Interferometry, or VLBI, is the observing technique yielding the highest-resolution images today. Whilst a traditionally large fra…
Mar 03, 2015

Evolutionary outcomes for pairs of planets undergoing orbital migrati…

In order to study the origin of the architectures of low mass planetary systems, we perform numerical surveys of the evolution of pairs of coplanar p…
Oct 19, 2010

Steady jets and transient jets: observational characteristics and mod…

Two types of radio emission are observed from X-ray binaries with jets. They have completely different characteristics and are associated with differ…
Jan 07, 2014

Magnetic fields and halos in spiral galaxies

Radio continuum observations allow to reveal the magnetic field structure in the disk and halo of nearby spiral galaxies, their magnetic field streng…
Feb 21, 2008

Opacity in compact extragalactic radio sources and its effect on as…

The apparent position of the "core" in a parsec-scale radio jet (a compact, bright emitting region at the narrow end of the jet) depends on the obser…
Nov 26, 2013

Einstein@Home discovery of four young gamma-ray pulsars in Fermi LAT …

We report the discovery of four gamma-ray pulsars, detected in computing-intensive blind searches of data from the Fermi Large Area Telescope (LAT). …
Oct 30, 2012

The PALFA Survey: Going to great depths to find radio pulsars

The on-going PALFA survey is searching the Galactic plane (|b| < 5 deg., 32 < l < 77 deg. and 168 < l < 214 deg.) for radio pulsars at 1.4 GHz using …
Nov 22, 2007

Studying the interaction between microquasar jets and their environme…

In high-mass microquasars (HMMQ), strong interactions between jets and stellar winds at binary system scales could occur. In order to explore this po…
May 30, 2012

The size, luminosity and motion of the extreme carbon star IRC+10216 …

Very Large Array observations of the extreme carbon star IRC+10216 at 7 mm wavelength with 40 milli-arcsecond resolution resolve the object's radio e…
Feb 27, 2018

Molecular line emission in NGC 4945, imaged with ALMA

NGC 4945 is one of the nearest (~3.8 Mpc; 1" ~ 19 pc) starburst galaxies. ALMA band 3 (3--4\,mm) observations of HCN, HCO+, CS, C3H2, SiO, HCO, and C…
Apr 16, 2007

Millimeter and Radio Observations of z~6 Quasars

We present millimeter and radio observations of 13 SDSS quasars at reshifts z~6. We observed eleven of them with the Max-Planck Millimeter Bolometer …
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