Search Results - "Pavlov, George"
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Pulsar-Wind Nebulae and Magnetar Outflows: Observations at Radio, X-Ray, and Gamma-Ray Wavelengths
Published in Space science reviews (01-07-2017)“…We review observations of several classes of neutron-star-powered outflows: pulsar-wind nebulae (PWNe) inside shell supernova remnants (SNRs), PWNe interacting…”
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NuSTAR Observation of LS 5039
Published in The Astrophysical journal (01-07-2021)“…Abstract LS 5039 is a high-mass γ -ray binary hosting a compact object of unknown type. NuSTAR observed LS 5039 during the entire 3.9-day binary period. We…”
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Thermal and Nonthermal Emission in the Optical-UV Spectrum of PSR B0950+08
Published in The Astrophysical journal (01-01-2022)“…Abstract Based on recent Hubble Space Telescope (HST) observations in the far-UV and ground-based observations in optical bands, Pavlov and colleagues have…”
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Possible Phase-dependent Absorption Feature in the X-Ray Spectrum of the Middle-aged PSR J0659+1414
Published in The Astrophysical journal (20-12-2018)“…We report on the energy-resolved timing and phase-resolved spectral analysis of X-ray emission from PSR J0659+1414 observed with XMM-Newton and NuSTAR. We find…”
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A Dragon Out of Breath? Monitoring High-velocity Outflows from the High-mass Gamma-Ray Binary LS 2883/PSR B1259–63 During the 2017–2021 Binary Cycle
Published in The Astrophysical journal (01-11-2023)“…Abstract Observations of the high-mass gamma-ray binary LS 2883/PSR B1259–63 with the Chandra X-ray Observatory during the 2011–2014 and 2014–2017 binary…”
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A NuSTAR and Chandra Investigation of the Misaligned Outflow of PSR J1101–6101 and the Lighthouse Pulsar Wind Nebula
Published in The Astrophysical journal (01-06-2023)“…Abstract PSR J1101–6101 is an energetic young pulsar that powers the remarkable Lighthouse pulsar wind nebula (PWN). The pulsar belongs to the rare type of…”
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Hubble Space Telescope Nondetection of PSR J2144–3933: The Coldest Known Neutron Star
Published in The Astrophysical journal (01-04-2019)“…Abstract We report nondetections of the ∼3 × 10 8 yr old, slow, isolated, rotation-powered pulsar PSR J2144–3933 in observations with the Hubble Space…”
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Precise Timing and Phase-resolved Spectroscopy of the Young Pulsar J1617–5055 with NuSTAR
Published in The Astrophysical journal (01-12-2021)“…We report on a Nuclear Spectroscopic Telescope Array (NuSTAR) observation of the young, energetic pulsar PSR J1617-5055. Parkes Observatory 3 GHz radio…”
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Chandra Monitoring of the J1809–1917 Pulsar Wind Nebula and Its Field
Published in The Astrophysical journal (01-10-2020)“…Abstract PSR J1809–1917 is a young ( τ = 51 kyr) and energetic ( erg s −1 ) radio pulsar powering an X-ray pulsar wind nebula (PWN) that exhibits…”
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Hubble Space Telescope Observations of the Old Pulsar PSR J0108–1431
Published in The Astrophysical journal (01-04-2021)“…Abstract We present results of optical-UV observations of the 200 Myr old rotation-powered radio pulsar J0108−1431 with the Hubble Space Telescope. We found a…”
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XMM-Newton and Chandra Observations of the Candidate Fermi-LAT Pulsar 4FGL J1015.5-6030
Published in The Astrophysical journal (01-07-2023)“…4FGL J1015.5-6030 is an unidentified Fermi-LAT source hosting a bright, extended X-ray source whose X-ray spectrum is consistent with that of a young pulsar,…”
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Probing the Spectrum of the Magnetar 4U 0142+61 with JWST
Published in The Astrophysical journal (01-09-2024)“…Abstract JWST observed the magnetar 4U 0142+61 with the Mid-Infrared Instrument (MIRI) and Near Infrared Camera (NIRCam) instruments within a 77 minute time…”
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Evolution of the Extended X-Ray Emission from the PSR B1259-63/LS 2883 Binary in the 2014-2017 Binary Cycle
Published in The Astrophysical journal (10-09-2019)“…We have performed a series of Chandra X-ray Observatory observations of the gamma-ray binary LS 2883, which is composed of a young pulsar (PSR B1259-63)…”
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CHANDRA OBSERVATIONS OF OUTFLOWS FROM PSR J1509-5850
Published in The Astrophysical journal (10-09-2016)“…ABSTRACT PSR J1509-5850 is a middle-aged pulsar with a period of P 89 ms and spin-down power of erg s−1, at a distance of about 3.8 kpc. We report on deep…”
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AN EXTENDED X-RAY OBJECT EJECTED FROM THE PSR B1259-63/LS2883 BINARY
Published in The Astrophysical journal (20-06-2015)“…ABSTRACT We present the analysis of Chandra X-ray Observatory observations of the eccentric γ-ray binary PSR B1259-63/LS 2883. The analysis shows that the…”
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Observations of 4U 1626–67 with the Imaging X-Ray Polarimetry Explorer
Published in The Astrophysical journal (01-11-2022)“…Abstract We present measurements of the polarization of X-rays in the 2–8 keV band from the pulsar in the ultracompact low-mass X-ray binary 4U 1626–67 using…”
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The Mouse Pulsar Wind Nebula
Published in The Astrophysical journal (01-07-2018)“…The young energetic pulsar J1747-2958 (τ = 26 kyr, erg s−1) powers the Mouse pulsar wind nebula (PWN), famous for its spectacular tail spanning 45″ in X-rays…”
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The Variable Pulsar Wind Nebula of PSR J1809-1917
Published in The Astrophysical journal (01-12-2018)“…PSR J1809-1917 is a young (τ = 51 kyr) energetic ( erg s−1) radio pulsar powering a pulsar wind nebula (PWN). We report on the results of three Chandra X-ray…”
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Limits on X-Ray Polarization at the Core of Centaurus A as Observed with the Imaging X-Ray Polarimetry Explorer
Published in The Astrophysical journal (01-08-2022)“…Abstract We present measurements of the polarization of X-rays in the 2–8 keV band from the nucleus of the radio galaxy Centaurus A (Cen A), using a 100 ks…”
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X-RAY EMISSION FROM J1446-4701, J1311-3430, AND OTHER BLACK WIDOW PULSARS
Published in The Astrophysical journal (01-12-2015)“…ABSTRACT We present the results of detailed X-ray analysis of two black-widow pulsars (BWPs), J1446-4701 and J1311-3430. PSR J1446-4701 is a BWP with orbital…”
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