Search Results - "Archibald, Anne M."
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Universality of free fall from the orbital motion of a pulsar in a stellar triple system
Published in Nature (London) (01-07-2018)“…Einstein’s theory of gravity—the general theory of relativity 1 —is based on the universality of free fall, which specifies that all objects accelerate…”
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Scattering Delay Mitigation in High-accuracy Pulsar Timing: Cyclic Spectroscopy Techniques
Published in The Astrophysical journal (01-02-2023)“…Abstract We simulate scattering delays from the interstellar medium to examine the effectiveness of three estimators in recovering these delays in pulsar…”
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3
Radio Pulsar/X-ray Binary Link
Published in Science (American Association for the Advancement of Science) (12-06-2009)“…Radio pulsars with millisecond spin periods are thought to have been spun up by the transfer of matter and angular momentum from a low-mass companion star…”
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PINT: Maximum-likelihood Estimation of Pulsar Timing Noise Parameters
Published in The Astrophysical journal (01-08-2024)“…PINT is a pure-Python framework for high-precision pulsar timing developed on top of widely used and well-tested Python libraries, supporting both interactive…”
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X-ray Variability and Evidence for Pulsations from the Unique Radio Pulsar/X-ray Binary Transition Object FIRST J102347.6+003841
Published in The Astrophysical journal (10-10-2010)“…We report on observations of the unusual neutron-star binary system FIRST J102347.6+003841 carried out using the XMM-Newton satellite. This system consists of…”
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The Long-Term Radiative Evolution of Anomalous X-Ray Pulsar 1E 2259+586 After Its 2002 Outburst
Published in The Astrophysical journal (10-10-2008)“…We present an analysis of five XMM-Newton observations of the anomalous X-ray pulsar (AXP) 1E 2259+586 taken in 2004 and 2005 during its relaxation following…”
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TIMING OBSERVATIONS OF PSR J1023+0038 DURING A LOW-MASS X-RAY BINARY STATE
Published in The Astrophysical journal (20-10-2016)“…ABSTRACT Transitional millisecond pulsars (tMSPs) switch, on roughly multi-year timescales, between rotation-powered radio millisecond pulsar (RMSP) and…”
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Simultaneous Chandra and VLA Observations of the Transitional Millisecond Pulsar PSR J1023+0038: Anti-correlated X-Ray and Radio Variability
Published in The Astrophysical journal (20-03-2018)“…We present coordinated Chandra X-ray Observatory and Karl G. Jansky Very Large Array observations of the transitional millisecond pulsar PSR J1023+0038 in its…”
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COORDINATED X-RAY, ULTRAVIOLET, OPTICAL, AND RADIO OBSERVATIONS OF THE PSR J1023+0038 SYSTEM IN A LOW-MASS X-RAY BINARY STATE
Published in The Astrophysical journal (20-06-2015)“…ABSTRACT The PSR J1023+0038 binary system hosts a neutron star and a low-mass, main-sequence-like star. It switches on year timescales between states as an…”
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The Green Bank North Celestial Cap Pulsar Survey. III. 45 New Pulsar Timing Solutions
Published in The Astrophysical journal (01-06-2018)“…We provide timing solutions for 45 radio pulsars discovered by the Robert C. Byrd Green Bank Telescope. These pulsars were found in the Green Bank North…”
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X-RAY OBSERVATIONS OF XSS J12270-4859 IN A NEW LOW STATE: A TRANSFORMATION TO A DISK-FREE ROTATION-POWERED PULSAR BINARY
Published in The Astrophysical journal (01-07-2014)“…We present XMM-Newton and Chandra observations of the low-mass X-ray binary XSS J12270-4859, which experienced a dramatic decline in optical/X-ray brightness…”
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A Chandra X-Ray Observation of the Binary Millisecond Pulsar PSR J1023+0038
Published in The Astrophysical journal (01-12-2011)“…We present a Chandra X-Ray Observatory ACIS-S variability, spectroscopy, and imaging study of the peculiar binary containing the millisecond pulsar J1023+0038…”
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The GBT 350-MHz Drift Scan Pulsar Survey – III. Detection of a magnetic field in the eclipsing material of PSR J2256–1024
Published in Monthly notices of the Royal Astronomical Society (01-07-2020)“…ABSTRACT We present the first measurement of a non-zero magnetic field in the eclipsing material of a black widow pulsar. Black widows are millisecond pulsars…”
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NuSTAR OBSERVATIONS OF THE STATE TRANSITION OF MILLISECOND PULSAR BINARY PSR J1023+0038
Published in The Astrophysical journal (20-08-2014)“…We report NuSTAR observations of the millisecond pulsar-low-mass X-ray binary (LMXB) transition system PSR J1023+0038 from 2013 June and October, before and…”
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THE GREEN BANK TELESCOPE 350 MHz DRIFT-SCAN SURVEY II: DATA ANALYSIS AND THE TIMING OF 10 NEW PULSARS, INCLUDING A RELATIVISTIC BINARY
Published in The Astrophysical journal (01-02-2013)“…We have completed a 350 MHz Drift-scan Survey using the Robert C. Byrd Green Bank Telescope with the goal of finding new radio pulsars, especially millisecond…”
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Quasi-simultaneous Radio/X-Ray Observations of the Candidate Transitional Millisecond Pulsar 3FGL J1544.6−1125 during its Low-luminosity Accretion-disk State
Published in The Astrophysical journal (01-12-2021)“…Abstract 3FGL J1544.6−1125 is a candidate transitional millisecond pulsar (tMSP). Similar to the well-established tMSPs—PSR J1023+0038, IGR J18245−2452, and…”
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The NANOGrav 15 yr Data Set: Chromatic Gaussian Process Noise Models for Six Pulsars
Published in The Astrophysical journal (01-09-2024)“…Pulsar timing arrays (PTAs) are designed to detect low-frequency gravitational waves (GWs). GWs induce achromatic signals in PTA data, meaning that the timing…”
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DEEP NuSTAR AND SWIFT MONITORING OBSERVATIONS OF THE MAGNETAR 1E 1841−045
Published in The Astrophysical journal (01-07-2015)“…ABSTRACT We report on a 350 ks NuSTAR observation of the magnetar 1E 1841-045 taken in 2013 September. During the observation, NuSTAR detected six bursts of…”
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SDSS J102347.6+003841: A Millisecond Radio Pulsar Binary That Had a Hot Disk During 2000-2001
Published in The Astrophysical journal (01-10-2009)“…The Sloan Digital Sky Survey (SDSS) source J102347.6+003841 was recently revealed to be a binary 1.69 ms radio pulsar with a 4.75 hr orbital period and a ~0.2…”
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ACCRETION-POWERED PULSATIONS IN AN APPARENTLY QUIESCENT NEUTRON STAR BINARY
Published in The Astrophysical journal (01-07-2015)“…ABSTRACT Accreting millisecond X-ray pulsars (AMXPs) are an important subset of low-mass X-ray binaries (LMXBs) in which coherent X-ray pulsations can be…”
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