1,026 datasets found

Keywords: astrophysical processes

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  • Magnetic field and velocity of early M dwarfs

    We present here additional results of a spectropolarimetric survey of a small sample of stars ranging from spectral type M0 to M8 aimed at investigating observationally how...
  • New pulsar rotation measures

    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...
  • Magnetic fields of chem. peculiar stars

    Spectropolarimetric observations of 96 chemically peculiar (CP) main-sequence stars have been carried out at the 6-m telescope at the Special Astrophysical Observatory of the...
  • 10 new pulsars in Arecibo drift-scan survey

    We present the results of a 430-MHz survey for pulsars conducted during the upgrade to the 305-m Arecibo radio telescope. Our survey covered a total of 1147deg^2^ of sky using a...
  • Parkes Multi-Beam Pulsar Survey new PSR

    The Parkes Multibeam Pulsar Survey is a sensitive survey of a strip of the Galactic plane with |b|<5{deg} and 260{deg}<l<50{deg} at 1374MHz. Here we report the...
  • Parkes Multi-Beam Pulsar Survey

    The Parkes multi-beam pulsar survey is a sensitive survey of a strip along the Galactic plane with |b|<5{deg} and l=260{deg} to l=50{deg}. It uses a 13-beam receiver on the...
  • Binary evolution

    Using Eggleton's stellar evolution code, we carry out 150 runs of Population I binary evolution calculations with the initial primary mass between 1 and 8 solar masses, the...
  • Multifrequency fluxes of 280 pulsars

    Table3 contains the flux density measurements of pulsars made at radio frequencies centred around 408, 606, 925, 1408 and 1606MHz using the 76-m Lowell telescope at Jodrell...
  • Pulsar glitches

    We study the expectancy of large glitches ({Delta}{Omega}/{Omega}>10^-7) from a sample of 430 pulsars other than the Vela pulsar. The pulsars in this sample have exhibited 19...
  • Magnetic fields of radio pulsars

    The mechanism of magnetodipole braking of radio pulsars is used to calculate new values of the surface magnetic fields of neutron stars. The angles {beta} between the spin axes...
  • Angles rotation/magnetic moment in pulsars

    Data on the pulse structure and variations of the linear polarization angle at frequencies near 1GHz have been used to estimate the angles {beta} between the rotational axis and...
  • Pulse profiles of radio pulsars at 102 and 111MHz

    Average profiles for 180, mostly faint, pulsars at 102 and 111MHz are presented. Pulse shapes have been obtained for the first time for most of the faint pulsars (about 50% of...
  • Scattering of pulsar radio emission

    Measurements of the broadening of pulsar pulses by scattering in the interstellar medium are presented for a complete sample of 100 pulsars with Galactic longitudes from 6{deg}...
  • Integrated Radio Luminosities of Pulsars

    The integrated radio luminosities of 311 long-period (P>0.1s) and 27 short-period (P<0.1s) pulsars have been calculated using a new compilation of radio spectra. The...
  • Dynamic stability of selected multiple stars

    The abundances of chemical elements in the atmospheres of seven classical barium stars are derived. Cone search capability for table J/AZh/82/231/stars (Star positions and...
  • Magnetic fields in late-type giants

    Surface-averaged longitudinal magnetic field components have been measured for 15 late-type giants with an accuracy of several Gauss. Cone search capability for table...
  • Radio luminosities of normal & millisecond pulsars

    The results of comparative statistical analysis of the integrated radio luminosities of normal and millisecond pulsars are presented. The analysis is based on our own...
  • Flux densities of 235 pulsars at 102.5MHz

    The flux densities of 235 mostly faint pulsars at 102.5MHz are presented. The observations were carried out on the very sensitive Large Phased Array of the Lebedev Institute of...
  • Cluster analysis of pulsar parameters

    The catalogue of pulsars with several calculated data is used by the cluster analysis for the division of pulsars into groups. Pulsars with periods P>1s and P<0.1s form...
  • Radio luminosities of 232 pulsars

    Total radio luminosities of 232 pulsars are calculated using new data on mean spectra. For 88% of these pulsars, luminosities lie in the range 10^27^-10^30^erg/s. It is shown...
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