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Related papers: Using the pulsar timing software package, TEMPO2

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High-precision pulsar timing is central to a wide range of astrophysics and fundamental physics applications. When timing an ensemble of millisecond pulsars in different sky positions, known as a pulsar timing array (PTA), one can search…

Instrumentation and Methods for Astrophysics · Physics 2018-10-09 R. N. Caballero

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…

High Energy Astrophysical Phenomena · Physics 2025-04-14 S. A. Andrianov , V. A. Potapov , S. A. Tyul'bashev , S. V. Logvinenko , V. V. Oreshko

Pulsar timing is a technique that uses the highly stable spin periods of neutron stars to investigate a wide range of topics in physics and astrophysics. Pulsar timing arrays (PTAs) use sets of extremely well-timed pulsars as a Galaxy-scale…

Instrumentation and Methods for Astrophysics · Physics 2021-10-05 J. P. W. Verbiest , S. Oslowski , S. Burke-Spolaor

We present a principal component analysis method which tracks and compensates for short-timescale variability in pulsar profiles, with a goal of improving pulsar timing precision. We couple this with a fast likelihood technique for…

Instrumentation and Methods for Astrophysics · Physics 2017-12-13 Hsiu-Hsien Lin , Kiyoshi Masui , Ue-Li Pen , Jeffrey B. Peterson

Three pulsar timing arrays are now producing high quality data sets. As reviewed in this paper, these data sets are been processed to 1) develop a pulsar-based time standard, 2) search for errors in the solar system planetary ephemeris and…

Solar and Stellar Astrophysics · Physics 2015-06-11 G. Hobbs

We present an overview of precise pulsar timing using data from the Large Area Telescope (LAT) on Fermi. We describe the analysis techniques including a maximum likelihood method for determining pulse times of arrival from unbinned photon…

High Energy Astrophysical Phenomena · Physics 2015-05-20 Paul S. Ray , Matthew Kerr , Damien Parent , the Fermi PSC

Extracting precise pulse times of arrival (TOAs) and their uncertainties is the first and most fundamental step in high-precision pulsar timing. In the classical method, TOAs are derived from total intensity pulse profiles of pulsars via…

Here we present a Bayesian method of including discrete measurements of dispersion measure due to the interstellar medium in the direction of a pulsar as prior information in the analysis of that pulsar. We use a simple simulation to show…

Instrumentation and Methods for Astrophysics · Physics 2013-12-10 Lindley Lentati , Paul Alexander , Michael P. Hobson

We briefly overview the new features of PlanetPack2, the forthcoming update of PlanetPack, which is a software tool for exoplanets detection and characterization from Doppler radial velocity data. Among other things, this major update…

Instrumentation and Methods for Astrophysics · Physics 2015-07-15 Roman V. Baluev

This is the User Manual of the LASPATED library. This library is available on GitHub (at https://github.com/vguigues/LASPATED)) and provides a set of tools to analyze spatiotemporal data. A video tutorial for this library is available on…

This paper introduces an R package ForecastTB that can be used to compare the accuracy of different forecasting methods as related to the characteristics of a time series dataset. The ForecastTB is a plug-and-play structured module, and…

Methodology · Statistics 2020-07-22 Neeraj Dhanraj Bokde , Zaher Mundher Yaseen , Gorm Bruun Andersen

Pulsar timing is used for a variety of applications including tests of fundamental physics, probing the structure of neutron stars, and detecting nanohertz gravitational waves. Development of robust methods and generation of high-quality…

An open-source, Python-based Temporal Analysis of Products (TAP) reactor simulation and processing program is introduced. TAPsolver utilizes algorithmic differentiation for the calculation of highly accurate derivatives, which are used to…

Computational Engineering, Finance, and Science · Computer Science 2020-09-01 Adam Yonge , M. Ross Kunz , Rakesh Batchu , Zongtang Fang , Tobin Issac , Rebecca Fushimi , Andrew J. Medford

PSRCHIVE is an open-source, object-oriented, scientific data analysis software library and application suite for pulsar astronomy. It implements an extensive range of general-purpose algorithms for use in data calibration and integration,…

Instrumentation and Methods for Astrophysics · Physics 2012-05-30 Willem van Straten , Paul Demorest , Stefan Osłowski

We describe for the first time in the scientific literature the Planetary Ephemeris Program (PEP), an open-source general-purpose astrometric data analysis program. We discuss, in particular, the implementation of pulsar timing analysis,…

Instrumentation and Methods for Astrophysics · Physics 2021-08-11 John F. Chandler , James B. R. Battat , Thomas W. Murphy, , Daniel Reardon , Robert D. Reasenberg , Irwin I. Shapiro

In order to maximize the sensitivity of pulsar timing arrays to a stochastic gravitational wave background, we present computational techniques to optimize observing schedules. The techniques are applicable to both single and…

Instrumentation and Methods for Astrophysics · Physics 2015-06-04 K. J. Lee , C. G. Bassa , R. Karuppusamy , M. Kramer , R. Smits , B. W. Stappers

Pulsar timing experiments require high fidelity template profiles in order to minimize the biases in pulse time-of-arrival (TOA) measurements and their uncertainties. Efforts to acquire more precise TOAs given fixed effective area of…

High Energy Astrophysical Phenomena · Physics 2019-01-30 Timothy T. Pennucci

This article describes tsmp, an R package that implements the matrix profile concept for time series. The tsmp package is a toolkit that allows all-pairs similarity joins, motif, discords and chains discovery, semantic segmentation, etc.…

Databases · Computer Science 2021-05-19 Francisco Bischoff , Pedro Pereira Rodrigues

Temporal predictive models have the potential to improve decisions in health care, public services, and other domains, yet they often fail to effectively support decision-makers. Prior literature shows that many misalignments between model…

Human-Computer Interaction · Computer Science 2025-02-21 Venkatesh Sivaraman , Anika Vaishampayan , Xiaotong Li , Brian R Buck , Ziyong Ma , Richard D Boyce , Adam Perer

This paper presents a practical approach to digital pulse processing, emphasizing simplicity and efficiency. We advocate for a balanced software design, flat data structures, the use of the ROOT C++ interpreter, and a combination of…

Instrumentation and Detectors · Physics 2025-07-16 Jing Liu