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Constraining the dense matter equation-of-state with radio pulsars
Huanchen Hu, Michael Kramer, Norbert Wex +2
Radio pulsars provide some of the most important constraints for our understanding of matter at supranuclear densities. So far, these constraints are mostly given by precision mass…
Progenitors of gravitational wave mergers: Binary evolution with the stellar grid-based code ComBinE
Matthias U. Kruckow, Thomas M. Tauris, Norbert Langer +2
The first gravitational wave detections of mergers between black holes and neutron stars represent a remarkable new regime of high-energy transient astrophysics. The signals observ…
Recycled Pulsars: Spins, Masses and Ages
Thomas M. Tauris
Recycled pulsars are mainly characterized by their spin periods, B-fields and masses. All these quantities are affected by previous interactions with a companion star in a binary s…
Revisiting the birth locations of pulsars B1929+10, B2020+28,and B2021+51
Franz Kirsten, Wouter Vlemmings, Robert M. Campbell +2
We present new proper motion and parallax measurements obtained with the European VLBI Network (EVN) at 5GHz for the three isolated pulsars B1929+10, B2020+28, and B2021+51. Fo…
Frequency independent quenching of pulsed emission
Vishal Gajjar, Bhal Chandra Joshi, Michael Kramer +2
Simultaneous observations at four different frequencies viz. 313, 607, 1380 and 4850 MHz, for three pulsars, PSRs B0031-07, B0809+74 and B2319+60, are reported in this paper. Ident…
Limits on the strength of individual gravitational wave sources using high-cadence observations of PSR B1937+21
Shuxu Yi, Benjamin W. Stappers, Sotirios A. Sanidas +5
We present the results of a search for gravitational waves (GWs) from individual sources using high cadence observations of PSR B1937+21. The data were acquired from an intensive o…
PSR J17562251: a pulsar with a low-mass neutron star companion
Robert D. Ferdman, Ingrid H. Stairs, Michael Kramer +11
The pulsar PSR J17562251 resides in a relativistic double neutron star (DNS) binary system with a 7.67-hr orbit. We have conducted long-term precision timing on more than 9 year…
The double pulsar: evidence for neutron star formation without an iron core-collapse supernova
R. D. Ferdman, I. H. Stairs, M. Kramer +8
The double pulsar system PSR J0737-3039A/B is a double neutron star binary, with a 2.4-hour orbital period, which has allowed measurement of relativistic orbital perturbations to h…
An Asteroid Belt Interpretation for the Timing Variations of the Millisecond Pulsar B1937+21
R. M. Shannon, J. M. Cordes, T. S. Metcalfe +10
Pulsar timing observations have revealed companions to neutron stars that include other neutron stars, white dwarfs, main-sequence stars, and planets. We demonstrate that the corre…
Broadband nulling behaviour of PSR B2319+60
Vishal Gajjar, B. C. Joshi, M. Kramer
Pulse nulling is one of many single pulse phenomena exhibited by radio pulsars. The broadband nature of this phenomena remained unexplained due to lack of coordinated observations.…
Formation of millisecond pulsars with CO white dwarf companions - II. Accretion, spin-up, true ages and comparison to MSPs with He white dwarf companions
Thomas M. Tauris, Norbert Langer, Michael Kramer
Millisecond pulsars (MSPs) are mainly characterised by their spin periods, B-fields and masses - quantities which are largely affected by previous interactions with a companion sta…
Constraining the optical emission from the double pulsar system J0737-3039
F. R. Ferraro, R. P. Mignani, C. Pallanca +10
We present the first optical observations of the unique system J0737-3039 (composed of two pulsars, hereafter PSR-A and PSR-B). Ultra-deep optical observations, performed with the…
Long term monitoring of mode switching for PSR B0329+54
J. L. Chen, H. G. Wang, N. Wang +5
The mode switching phenomenon of PSR B0329+54 is investigated based on the long-term monitoring from September 2003 to April 2009 made with the Urumqi 25m radio telescope at 1540 M…
Radio Properties of Rotating Radio Transients I: searches for periodicities and randomness in pulse arrival times
Nipuni Palliyaguru, Maura McLaughlin, Evan Keane +6
We have analysed the long- and short-term time dependence of the pulse arrival times and the pulse detection rates for eight Rotating Radio Transient (RRAT) sources from the Parkes…
Formation of millisecond pulsars with CO white dwarf companions - I. PSR J1614-2230: Evidence for a neutron star born massive
Thomas M. Tauris, Norbert Langer, Michael Kramer
The recent discovery of a 2 M_sun binary millisecond pulsar (Demorest et al. 2010) has not only important consequences for the equation-of-state of nuclear matter at high densities…
Multiwavelength Studies of Rotating Radio Transients
Joshua Miller, Maura McLaughlin, Nanda Rea +5
We describe our studies of the radio and high-energy properties of Rotating Radio Transients (RRATs). We find that the radio pulse intensity distributions are log-normal, with powe…
The international pulsar timing array project: using pulsars as a gravitational wave detector
G. Hobbs, A. Archibald, Z. Arzoumanian +55
The International Pulsar Timing Array project combines observations of pulsars from both Northern and Southern hemisphere observatories with the main aim of detecting ultra-low fre…
Gamma-ray and Radio Properties of Six Pulsars Detected by the Fermi Large Area Telescope
The Fermi LAT collaboration, the Fermi Pulsar Timing Consortium
We report the detection of pulsed gamma-rays for PSRs J0631+1036, J0659+1414, J0742-2822, J1420-6048, J1509-5850 and J1718-3825 using the Large Area Telescope (LAT) on board the Fe…
Unusual glitch activity in the RRAT J1819-1458: an exhausted magnetar?
A. G. Lyne, M. A. McLaughlin, E. F. Keane +6
We present an analysis of regular timing observations of the high-magnetic-field Rotating Radio Transient (RRAT) J18191458 obtained using the 64-m Parkes and 76-m Lovell radio t…
Optical polarisation of the Crab pulsar: precision measurements and comparison to the radio emission
Agnieszka Słowikowska, Gottfried Kanbach, Michael Kramer +1
The linear polarisation of the Crab pulsar and its close environment was derived from observations with the high-speed photo-polarimeter OPTIMA at the 2.56-m Nordic Optical Telesco…
X-ray and Radio Timing of the Pulsar in 3C 58
Margaret A. Livingstone, Scott Ransom, Fernando Camilo +4
We present timing data spanning 6.4 yr for the young and energetic PSR J0205+6449, in the supernova remnant 3C 58. Data were obtained with the Rossi X-ray Timing Explorer, the Jodr…