SIMBAD references

2018MNRAS.475L..57C - Mon. Not. R. Astron. Soc., 475, L57-L61 (2018)

The High Time Resolution Universe Pulsar Survey - XIII. PSR J1757-1854, the most accelerated binary pulsar.

CAMERON A.D., CHAMPION D.J., KRAMER M., BAILES M., BARR E.D., BASSA C.G., BHANDARI S., BHAT N.D.R., BURGAY M., BURKE-SPOLAOR S., EATOUGH R.P., FLYNN C.M.L., FREIRE P.C.C., JAMESON A., JOHNSTON S., KARUPPUSAMY R., KEITH M.J., LEVIN L., LORIMER D.R., LYNE A.G., McLAUGHLIN M.A., NG C., PETROFF E., POSSENTI A., RIDOLFI A., STAPPERS B.W., VAN STRATEN W., TAURIS T.M., TIBURZI C. and WEX N.

Abstract (from CDS):

We report the discovery of PSR J1757-1854, a 21.5-ms pulsar in a highly-eccentric, 4.4-h orbit with a neutron star (NS) companion. PSR J1757-1854 exhibits some of the most extreme relativistic parameters of any known pulsar, including the strongest relativistic effects due to gravitational-wave damping, with a merger time of 76 Myr. Following a 1.6-yr timing campaign, we have measured five post-Keplerian parameters, yielding the two component masses (mp = 1.3384(9) M☉ and mc = 1.3946(9) M☉) plus three tests of general relativity, which the theory passes. The larger mass of the NS companion provides important clues regarding the binary formation of PSR J1757-1854. With simulations suggesting 3-σ measurements of both the contribution of Lense-Thirring precession to the rate of change of the semimajor axis and the relativistic deformation of the orbit within ∼7-9 yr, PSR J1757-1854 stands out as a unique laboratory for new tests of gravitational theories.

Abstract Copyright: © 2018 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): gravitation - surveys - binaries: close - pulsars: individual: PSR J1757-1854

Simbad objects: 6

goto Full paper

goto View the references in ADS

To bookmark this query, right click on this link: simbad:2018MNRAS.475L..57C and select 'bookmark this link' or equivalent in the popup menu