W. Vlemmings

Publications305
h-index32
Citations3,749
Highly Influential Citations329
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PRECISION ASTROMETRY WITH THE VERY LONG BASELINE ARRAY: PARALLAXES AND PROPER MOTIONS FOR 14 PULSARS
Astrometry can bring powerful constraints to bear on a variety of scientific questions about neutron stars, including their origins, astrophysics, evolution, and environments. Using phase-referenced… Expand
An Eccentric Binary Millisecond Pulsar in the Galactic Plane
TLDR
In a survey with the Arecibo telescope, a radio pulsar with a rotational period of 2.15 milliseconds in a highly eccentric orbit around a solar mass is found and infrared observations identify a possible main-sequence companion star. Expand
Arecibo pulsar survey using ALFA. I. Survey strategy and first discoveries
We report results from the initial stage of a long-term pulsar survey of the Galactic plane using the Arecibo L-band Feed Array (ALFA), a seven-beam receiver operating at 1.4 GHz with 0.3 GHz… Expand
VLBA DETERMINATION OF THE DISTANCE TO NEARBY STAR-FORMING REGIONS. V. DYNAMICAL MASS, DISTANCE, AND RADIO STRUCTURE OF V773 Tau A
We present multi-epoch Very Long Baseline Array (VLBA) observations of V773 Tau A, the 51 day binary subsystem in the multiple young stellar system V773 Tau. Combined with previous interferometric… Expand
Pulsar Parallaxes at 5 GHz with the Very Long Baseline Array
We present the first pulsar parallaxes measured with phase-referenced pulsar VLBI observations at 5 GHz. Because of the steep spectra of pulsars, previous astrometric measurements have been at lower… Expand
Magnetic field regulated infall on the disc around the massive protostar Cepheus A HW2
We present polarization observations of the 6.7-GHz methanol masers around the massive protostar Cepheus A HW2 and its associated disc. The data were taken with the Multi-Element Radio Linked… Expand
THE 2014 ALMA LONG BASELINE CAMPAIGN: AN OVERVIEW*
A major goal of the Atacama Large Millimeter/submillimeter Array (ALMA) is to make accurate images with resolutions of tens of milliarcseconds, which at submillimeter (submm) wavelengths requires… Expand
A new probe of magnetic fields during high-mass star formation Zeeman splitting of 6.7 GHz methanol masers
Context. The role of magnetic fields during high-mass star formation is a matter of fierce debate, yet only a few direct probes of magnetic field strengths are available. Aims. The magnetic field is… Expand
VLBA observations of SiO masers towards Mira variable stars
We present new total intensity and linear polarization VLBA observations of the ν = 2a ndν = 1 J = 1−0 maser transitions of SiO at 42.8 and 43.1 GHz in a number of Mira variable stars over a… Expand
Unexpectedly large mass loss during the thermal pulse cycle of the red giant star R Sculptoris
TLDR
It is concluded that R Sculptoris is a binary system that underwent a thermal pulse about 1,800 years ago, lasting approximately 200  years, and about three times more mass was returned to the interstellar medium during and immediately after the pulse than previously thought. Expand
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