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Discovery of the variable optical counterpart of the redback pulsar PSR J2055+1545
Marco Turchetta, Bidisha Sen, Jordan A. Simpson +5
We present the discovery of the variable optical counterpart to PSR J2055+1545, a redback millisecond pulsar, and the first radial velocity curve of its companion star. The multi-b…
COBIPULSE: A Systematic Search for Compact Binary Millisecond Pulsars
Marco Turchetta, Manuel Linares, Karri Koljonen +5
We report here the results obtained from a systematic optical photometric survey aimed at finding new compact binary millisecond pulsars (also known as "spiders"): the COmpact BIna…
A GTC spectroscopic study of three spider pulsar companions: line-based temperatures, a new face-on redback, and improved mass constraints
Jordan A. Simpson, Manuel Linares, Jorge Casares +3
We present GTC-OSIRIS phase-resolved optical spectroscopy of three compact binary MSPs, or 'spiders': PSR J1048+2339, PSR J1810+1744, and (for the first time) PSR J1908+2105. For t…
PSR J0210+5845; An ultra wide binary pulsar with a B6V main-sequence star companion
E. van der Wateren, C. G. Bassa, G. H. Janssen +5
We report on radio timing observations of PSR J0210+5845 which reveal large deviations from typical pulsar spin-down behaviour. We interpret these deviations as being due to binary…
The binary millisecond pulsar PSR J1023+0038 during its accretion state - I. Optical variability
T. Shahbaz, M. Linares, S. P. Nevado +7
We present time-resolved optical photometry of the binary millisecond `redback' pulsar PSR J1023+0038 (=AY Sex) during its low-mass X-ray binary phase. The light curves taken betwe…