Results 11 to 20 of about 6,553 (188)
Pulsars: Crab Pulsar and its Planet [PDF]
Our Cosmology Correspondent
exaly +4 more sources
On the Number of Confirmed Pulsar Planets: The Rule of Six
Since the first definitive exoplanet detection, the three planets around millisecond radio pulsar PSR B1257+12, few more pulsar planets (PPs) have been reported.
Silas G. T. Laycock +1 more
doaj +2 more sources
Distant Companions and Planets around Millisecond Pulsars [PDF]
30 pages, Latex, 10 Postscript figures, uses aaspp4.sty. ApJ submitted.
Kriten J. Joshi, Frederic A. Rasio
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Methods of searching for planets around pulsars [PDF]
ABSTRA C T We analyse different methods of searching for planets around neutron stars by timing observations of pulsars. To this end, we study a few interesting models describing TOA residual variations that are observed, or could be observed, and which can mimic planets. We carry out a detailed theoretical analysis of the behaviour of these methods in
M. Konacki, Andrzej J. Maciejewski
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Genetic Algorithms, Pulsar Planets, and Ionized Interstellar Microturbulence [PDF]
We probe the intense microturbulence in the Galactic center and the radio-wave scattering it generates by analyzing observations of extragalactic sources, OH and H2O masers, and free-free emission. The region responsible for the enhanced, anisotropic angular broadening of Sgr A* and nearby OH masers is within 150 pc of the Galactic center and has an ...
T. Joseph W. Lazio
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Constraining the relative inclinations of the planets B and C of the millisecond pulsar PSR B1257+12 [PDF]
We investigate on the relative inclination of the planets B and C orbiting the pulsar PSR B1257+12 in connection with potential violations of the equivalence principle (Abridged).Comment: LaTex2e, 10 pages, 1 table, 3 figures, 17 references.
A. M. Nobili +16 more
core +2 more sources
WHY ARE PULSAR PLANETS RARE? [PDF]
ABSTRACT Pulsar timing observations have revealed planets around only a few pulsars. We suggest that the rarity of these planets is due mainly to two effects. First, we show that the most likely formation mechanism requires the destruction of a companion star.
Rebecca G. Martin +2 more
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A Carbon-rich Atmosphere on a Windy Pulsar Planet [PDF]
A handful of enigmatic Jupiter-mass objects have been discovered orbiting pulsars. One such object, PSR J2322–2650b, uniquely resembles a hot-Jupiter exoplanet, due to its minimum density of 1.8 g cm ^−3 and its ∼1900 K equilibrium temperature.
Michael Zhang +19 more
doaj +2 more sources
On The Existence of Planets Around the Pulsar PSR B0329+54 [PDF]
Results of timing measurements of the pulsar PSR B0329+54 obtained in 1968--2012 using the Big Scanning Antenna of the Pushchino Radio Astronomy Observatory (at 102 and 111 MHz), the DSS 13 and DSS 14 telescopes of the Jet Propulsion Laboratory (2388 MHz)
Rodin, A. E., Starovoit, E. D.
core +3 more sources
Stellar Collisions and Pulsar Planets [PDF]
Tex, 17 pages, including 6 postscript figures To appear in: Stellar Collisions, Mergers and their Consequences, ASP Conference Series, Ed.
Brad M. S. Hansen
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