Search Results - "DeCesar, M."
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Relativistic Shapiro Delay Measurements of an Extremely Massive Millisecond Pulsar
Published in Nature astronomy (01-01-2020)“…Despite its importance to our understanding of physics at supranuclear densities, the equation of state (EoS) of matter deep within neutron stars remains…”
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First Discovery of a Fast Radio Burst at 350 MHz by the GBNCC Survey
Published in The Astrophysical journal (01-12-2020)“…We report the first discovery of a fast radio burst (FRB), FRB 20200125A, by the Green Bank Northern Celestial Cap (GBNCC) Pulsar Survey conducted with the…”
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A Second Chromatic Timing Event of Interstellar Origin toward PSR J1713+0747
Published in The Astrophysical journal (10-07-2018)“…The frequency dependence of radio pulse arrival times provides a probe of structures in the intervening media. Demorest et al. was the first to show a…”
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PSR J2234+0611: A New Laboratory for Stellar Evolution
Published in The Astrophysical journal (10-01-2019)“…We report the timing results for PSR J2234+0611, a 3.6 ms pulsar in a 32 day, eccentric (e = 0.13) orbit with a helium white dwarf. The precise timing and…”
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Modeling the Uncertainties of Solar System Ephemerides for Robust Gravitational-wave Searches with Pulsar-timing Arrays
Published in The Astrophysical journal (01-04-2020)“…The regularity of pulsar emissions becomes apparent once we reference the pulses' times of arrivals to the inertial rest frame of the solar system. It follows…”
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The NANOGrav 12.5 yr Data Set: Polarimetry and Faraday Rotation Measures from Observations of Millisecond Pulsars with the Green Bank Telescope
Published in The Astrophysical journal (01-02-2022)“…Abstract In this work, we present polarization profiles for 23 millisecond pulsars observed at 820 and 1500 MHz with the Green Bank Telescope as part of the…”
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The Green Bank North Celestial Cap Survey. VII. 12 New Pulsar Timing Solutions
Published in The Astrophysical journal (01-02-2023)“…Abstract We present timing solutions for 12 pulsars discovered in the Green Bank North Celestial Cap 350 MHz pulsar survey, including six millisecond pulsars…”
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A Search for Fast Radio Bursts with the GBNCC Pulsar Survey
Published in The Astrophysical journal (01-08-2017)“…We report on a search for fast radio bursts (FRBs) with the Green Bank Northern Celestial Cap (GBNCC) Pulsar Survey at 350 MHz. Pointings amounting to a total…”
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The Green Bank North Celestial Cap Pulsar Survey. V. Pulsar Census and Survey Sensitivity
Published in The Astrophysical journal (01-04-2020)“…The Green Bank North Celestial Cap (GBNCC) pulsar survey will cover the entire northern sky (δ > −40°) at 350 MHz, and is one of the most uniform and sensitive…”
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The Green Bank Northern Celestial Cap Pulsar Survey. VI. Discovery and Timing of PSR J1759+5036: A Double Neutron Star Binary Pulsar
Published in The Astrophysical journal (01-11-2021)“…Abstract The Green Bank North Celestial Cap survey is a 350 MHz all-sky survey for pulsars and fast radio transients using the Robert C. Byrd Green Bank…”
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The NANOGrav 12.5 yr Data Set: The Frequency Dependence of Pulse Jitter in Precision Millisecond Pulsars
Published in The Astrophysical journal (20-02-2019)“…Low-frequency gravitational-wave experiments require the highest timing precision from an array of the most stable millisecond pulsars. Several known sources…”
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A 350 MHz Green Bank Telescope Survey of Unassociated Fermi LAT Sources: Discovery and Timing of 10 Millisecond Pulsars
Published in The Astrophysical journal (01-05-2024)“…Abstract We have searched for radio pulsations toward 49 Fermi Large Area Telescope (LAT) 1FGL Catalog γ -ray sources using the Green Bank Telescope at 350…”
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The Green Bank North Celestial Cap Survey. VIII. 21 New Pulsar Timing Solutions
Published in The Astrophysical journal (01-10-2023)“…Abstract We present timing solutions for 21 pulsars discovered in 350 MHz surveys using the Green Bank Telescope (GBT). All were discovered in the Green Bank…”
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The Green Bank North Celestial Cap Survey. IX. Timing Follow-up for 128 Pulsars
Published in The Astrophysical journal (01-02-2024)“…Abstract The Green Bank North Celestial Cap survey is one of the largest and most sensitive searches for pulsars and transient radio objects. Observations for…”
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Discoveries and timing of pulsars in NGC 6440
Published in Monthly notices of the Royal Astronomical Society (29-04-2022)“…ABSTRACT Using the MeerKAT radio telescope, a series of observations have been conducted to time the known pulsars and search for new pulsars in the globular…”
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The NANOGrav 11 yr Data Set: Evolution of Gravitational-wave Background Statistics
Published in The Astrophysical journal (20-02-2020)“…An ensemble of inspiraling supermassive black hole binaries should produce a stochastic background of very low frequency gravitational waves. This stochastic…”
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The NANOGrav 11 yr Data Set: Solar Wind Sounding through Pulsar Timing
Published in The Astrophysical journal (20-02-2019)“…The North American Nanohertz Observatory for Gravitational Waves (NANOGrav) has observed dozens of millisecond pulsars for over a decade. We have accrued a…”
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The NANOGrav 11-year Data Set: Pulse Profile Variability
Published in The Astrophysical journal (01-12-2018)“…Access to 50 years of data has led to the discovery of pulsar emission and rotation variability on timescales of months and years. Most of this long-term…”
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The Green Bank Northern Celestial Cap Pulsar Survey. II. The Discovery and Timing of 10 Pulsars
Published in The Astrophysical journal (20-04-2018)“…We present timing solutions for 10 pulsars discovered in 350 MHz searches with the Green Bank Telescope. Nine of these were discovered in the Green Bank…”
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