Results 11 to 20 of about 13,694 (217)
Pushchino multibeam pulsar search VI. Method of pulsar timing using bad timed data [PDF]
A method for pulsar timing based on monitoring data from the 3-th diagramm of the Large Phased Array (LPA LPI) radio telescope is proposed. In our observations, recorders with quartz clock generators were used as local clocks. Such recorders initially had an accuracy and hardware reference to the UTC time scale insufficient for pulsar timing.
S. A. Andrianov +4 more
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A noise independent method of measuring sky location and chirp mass of gravitational waves single sources, using non-simultaneously timing of pulsars [PDF]
, 2013 We propose a new method to measure parameters of SMBHBs as individual resolvable evolving single GWs sources, using the timing data of three or more non-simultaneous pulsars. These parameters include the sky position of the SMBHB and a chirp mass-red shift combination M_c(1+z).
Shu-Xu Yi
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Monthly Notices of the Royal Astronomical SocietyABSTRACT The turbulent nature of the ionized interstellar medium (IISM) causes dispersion measure (DM) and scattering variations in pulsar timing measurements. To improve precision of gravitational wave measurements, pulsar timing array (PTA) collaborations have begun the use of sophisticated and intricate noise modelling techniques ...
A D Kulkarni +3 more
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Have pulsar timing array methods detected a cosmological phase transition?
Physical Review DWe show that the recent detection of a gravitational wave (GW) background reported by various pulsar timing array (PTA) collaborations including NANOGrav-15yr, PPTA, EPTA, and CPTA can be explained in terms of first order phase transitions (FOPTs) from dark sector models (DSM).
Andrea Addazi +3 more
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Precision methods of pulsar timing and polarimetry: results and prospects [PDF]
Physics-UspekhiК. А. Постнов +2 more
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, 2023 Pulsars are rapidly-rotating and highly magnetized neutron stars with radio beams originating from the magnetic poles which sweep through space with each rotation of the star. This thesis focuses on the processing chain of radio observations of pulsars and on the exploitation of high precision timing data for the detailed study of the binary pulsar ...
A. Berthereau
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A method for searching single gravitational wave sources with a pulsar timing array
, 2013 L'existence des ondes gravitationnelles, fluctuations de l'espace-temps lui-même, a été prédite sans, pour l'instant, qu'une détection directe n'ait été encore possible. A l'heure actuelle, des méthodes consistant en des détecteurs interférométriques de plusieurs kilomètres de long sont à l'oeuvre pour permettre une première détection.
A. Lassus
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Pulsar Timing Array (PTA) experiments aim to detect gravitational wave (GW) signals at nanohertz frequencies through pulsar timing, by characterising the timing delays they are expected to induce. Pulsars are incredibly stable, compact, fast-rotating objects with a collimated jet of radio emission, observed as a pulsating signal (lighthouse effect ...
Valtolina, Serena
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Arcuate nucleus-specific progesterone receptor knockdown in female mice is sufficient to induce PCOS-like hyperactivity in the reproductive axis. [PDF]
J NeuroendocrinolAbstract Mammalian reproductive function is dependent upon gonadal steroid hormone feedback within the hypothalamic–pituitary–gonadal (HPG) axis. In polycystic ovary syndrome (PCOS), impaired progesterone (P4) negative feedback leads to hyperactive pulsatile secretion of luteinising hormone (LH) and impaired reproductive function.
Glendining KA +4 more
europepmc +2 more sources