A. Wolszczan

Publications133
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Citations4,151
Highly Influential Citations336
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A planetary system around the millisecond pulsar PSR1257 + 12
MILLISECOND radio pulsars, which are old (∼109yr), rapidly rotating neutron stars believed to be spun up by accretion of matter from their stellar companions, are usually found in binary systems with… Expand
The Characteristics of Millisecond Pulsar Emission. I. Spectra, Pulse Shapes, and the Beaming Fraction
The extreme physical conditions in millisecond pulsar magnetospheres, as well as an evolutionary history that differs from that of normal pulsars, raise the question whether these objects also differ… Expand
Confirmation of Earth-Mass Planets Orbiting the Millisecond Pulsar PSR B1257 + 12
TLDR
The unambiguous detection of this effect, after 3 years of systematic timing observations of PSR B1257+12 with the 305-meter Arecibo radiotelescope, constitutes irrefutable evidence that the first planetary system around a star other than the sun has been identified. Expand
A nearby 37.9-ms radio pulsar in a relativistic binary system
WITH very few exceptions1, high Galactic latitudes have not been surveyed with sufficient sensitivity to detect millisecond pulsars. Accordingly we have conducted a preliminary sensitive survey at… Expand
Studies of the Relativistic Binary Pulsar PSR B1534+12. I. Timing Analysis
We have continued our long-term study of the double neutron star binary pulsar PSR B1534+12, using new instrumentation to make very high precision measurements at the Arecibo Observatory. We have… Expand
Discovery of two radio pulsars in the globular cluster M15
WE report the discovery of two radio pulsars, 2127 + 11B and 2127-11C, in the globular cluster M15 (NGC7078), which also contains the 110-ms pulsar 2127 + 11A (ref. 1). Although only twenty globular… Expand
Masses and Orbital Inclinations of Planets in the PSR B1257+12 System
We present measurements of the true masses and orbital inclinations of the two Earth-mass planets in the PSR B1257+12 system, based on the analysis of their mutual gravitational perturbations… Expand
THE ARECIBO DETECTION OF THE COOLEST RADIO-FLARING BROWN DWARF
Radio detection provides unique means to measure and study magnetic fields of the coolest brown dwarfs. Previous radio surveys have observed quiescent and flaring emission from brown dwarfs down to… Expand
The Proper Motion, Age, and Initial Spin Period of PSR J0538+2817 in S147
We present results of the timing observations of the 143 ms pulsar PSR J0538+2817 that provide a proper-motion measurement clearly showing an association of the pulsar with the supernova remnant… Expand
Discovery of a young, 267 millisecond pulsar in the supernova remnant W44
The discovery of a 267 ms pulsar, PSR 1853+01, in the supernova remnant W44 (G34.7−0.4) is reported. The pulsar is located south of the center of W44, well within its radio shell and at the southern… Expand
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