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Pulsar searches and timing with the SKA
R. Smits, M. Kramer, B. Stappers +3
The Square Kilometre Array (SKA) is a planned multi purpose radio telescope with a collecting area approaching 1 million square metres. One of the key science objectives of the SKA…
Multi-telescope timing of PSR J1518+4904
G. H. Janssen, B. W. Stappers, M. Kramer +5
PSR J1518+4904 is one of only 9 known double neutron star systems. These systems are highly valuable for measuring the masses of neutron stars, measuring the effects of gravity, an…
High-precision geometry of a double-pole pulsar
M. Kramer, S. Johnston
High time resolution observations of PSR B0906-49 (or PSR J0908-4913) over a wide range of frequencies have enabled us to determine the geometry and beam shape of the pulsar. We ha…
An Eccentric Binary Millisecond Pulsar in the Galactic Plane
D. J. Champion, S. M. Ransom, P. Lazarus +28
Binary pulsar systems are superb probes of stellar and binary evolution and the physics of extreme environments. In a survey with the Arecibo telescope, we have found PSR J1903+032…
New pulsar rotation measures and the Galactic magnetic field
Aristeidis Noutsos, Simon Johnston, Michael Kramer +1
We measured a sample of 150 pulsar Rotation Measures (RMs) using the 20-cm receiver of the Parkes 64-m radio telescope. 46 of the pulsars in our sample have not had their RM values…
The very soft X-ray spectrum of the Double Pulsar System J0737-3039
A. Possenti, N. Rea, M. A. McLaughlin +5
We present the results of an 80 ks Chandra ACIS-S observation of the double pulsar system J0737-3039. Furthermore, we report on spectral, spatial and timing analysis of the combine…
The double pulsar: evolutionary constraints from the system geometry
R. D. Ferdman, I. H. Stairs, M. Kramer +6
The double pulsar system PSR J0737-3039A/B is a highly relativistic double neutron star (DNS) binary, with a 2.4-hour orbital period. The low mass of the second-formed NS, as well…
A 610-MHz Galactic Plane Pulsar Search with the Giant Meterwave Radio Telescope
B. C. Joshi, M. A. McLaughlin, M. Kramer +5
We report on the discovery of three new pulsars in the first blind survey of the north Galactic plane (45 < l < 135 ; |b| < 1) with the Giant Meterwave Radio telescope (GMRT) at an…
Discovery of Pulsations and a Possible Spectral Feature in the X-ray Emission from Rotating Radio Transient J1819-1458
M. A. McLaughlin, N. Rea, B. M. Gaensler +7
PSR J1819-1458 is a rotating radio transient (RRAT) source with an inferred surface dipole magnetic field strength of 5e13 G and a 4.26-s spin period. We present XMM-Newton observa…
A characteristic observable signature of preferred frame effects in relativistic binary pulsars
N. Wex, M. Kramer
In this paper we develop a consistent, phenomenological methodology to measure preferred-frame effects (PFEs) in binary pulsars that exhibit a high rate of periastron advance. We s…
Age constraints in the double pulsar system J0737-3039
D. R. Lorimer, P. C. C. Freire, I. H. Stairs +10
We investigate the age constraints that can be placed on the double pulsar system using models for the spin-down of the first-born 22.7-ms pulsar A and the 2.77-s pulsar B with cha…
LOFAR: A powerful tool for pulsar studies
B. W. Stappers, A. G. J. van Leeuwen, M. Kramer +2
The LOw Frequency ARray, LOFAR, will have the sensitivity, bandwidth, frequency range and processing power to revolutionise low-frequency pulsar studies. We present results of simu…
The binary pulsar PSR J1811-1736: evidence of a low amplitude supernova kick
A. Corongiu, M. Kramer, B. W. Stappers +5
Aims: The binary pulsar PSR J1811-1736 has been identified, since its discovery, as a member of a double neutron star system. Observations of such binary pulsars allow the measurem…
The Origin and Motion of PSR J0538+2817 in S147
C. -Y. Ng, Roger W. Romani, Walter F. Brisken +2
We report on VLBA astrometry and CXO imaging of PSR J0538+2817 in the supernova remnant S147. We measure a parallax distance of kpc along with a high-precisio…
The Formation of the Double Pulsar PSR J0737-3039A/B
I. H. Stairs, S. E. Thorsett, R. J. Dewey +2
Recent timing observations of the double pulsar J0737-3039A/B have shown that its transverse velocity is extremely low, only 10 km/s, and nearly in the Plane of the Galaxy. With th…
Chandra Smells a RRAT: X-ray Detection of a Rotating Radio Transient
B. M. Gaensler, M. McLaughlin, S. Reynolds +10
"Rotating RAdio Transients" (RRATs) are a newly discovered astronomical phenomenon, characterised by occasional brief radio bursts, with average intervals between bursts ranging fr…
Arecibo and the ALFA Pulsar Survey
J. van Leeuwen, J. M. Cordes, D. R. Lorimer +34
The recently started Arecibo L-band Feed Array (ALFA) pulsar survey aims to find ~1000 new pulsars. Due to its high time and frequency resolution the survey is especially sensitive…
Pulsar Astrometry at the Microarcsecond Level
W. H. T. Vlemmings, S. Chatterjee, W. F. Brisken +12
Determination of pulsar parallaxes and proper motions addresses fundamental astrophysical questions. We have recently finished a VLBI astrometry project to determine the proper mot…
A 2.1 Solar Mass Pulsar Measured by Relativistic Orbital Decay
David J. Nice, Eric M. Splaver, Ingrid H. Stairs +4
PSR J0751+1807 is a millisecond pulsar in a circular 6 hr binary system with a helium white dwarf secondary. Through high precision pulse timing measurements with the Arecibo and E…
A Multi-wavelength study of the Pulsar PSR B1929+10 and its X-ray trail
Werner Becker, Michael Kramer, Axel Jessner +8
We report on the emission properties of PSR B1929+10 and its putative X-ray trail from a multi-wavelength study performed with XMM-Newton, the ESO NTT, the HST, the Effelsberg 100m…
A multiwavlength study of PSR B0628-28: The first overluminous rotation-powered pulsar?
Werner Becker, Axel Jessner, Michael Kramer +2
The ROSAT source RX J0630.8-2834 was suggested by positional coincidence to be the X-ray counterpart of the old field pulsar PSR B0628-28. This association, however, was regarded t…
Fundamental Physics with the SKA:Strong-Field Tests of Gravity Using Pulsars and Black Holes
M. Kramer
The Square-Kilometre-Array (SKA) will be a radio telescope with a collecting area that will exceed that of existing telescopes by a factor of a hundred or so. This contribution sum…
The Parkes Multibeam Pulsar Survey: V. Finding binary and millisecond pulsars
A. J. Faulkner, I. H. Stairs, M. Kramer +9
The Parkes Multibeam Pulsar Survey is the most successful survey of the Galactic plane ever performed, finding over 600 pulsars in the initial processing. We report on reprocessing…
The Double Pulsar System J0737-3039: Modulation of A by B at eclipse
M. A. McLaughlin, A. G. Lyne, D. R. Lorimer +10
We have investigated the eclipse of the 23-ms pulsar J0737-3039A by its 2.8-s companion PSR J0737-3039B in the recently discovered double pulsar system using data taken with the Gr…