Results 151 to 160 of about 120,893 (256)

The 1969 Glitch in the Crab Pulsar Revisited [PDF]

open access: yesarXiv, 2017
Glitches are important to understand the internal structure of neutron stars. They are studied using timing observations. The best studied neutron star in this respect is the Crab Pulsar. The first glitch recorded in this pulsar occurred in 1969 Sep, at an epoch when timing observations were still in their infancy, the regularity of the observations ...
arxiv  

First Detection of Polarization in X-Rays for PSR B0540-69 and Its Nebula

open access: yesThe Astrophysical Journal
We report on X-ray polarization measurements of the extragalactic Crab-like PSR B0540-69 and its Pulsar Wind Nebula (PWN) in the Large Magellanic Cloud, using a ∼850 ks Imaging X-ray Polarimetry Explorer (IXPE) exposure. The PWN is unresolved by IXPE. No
Fei Xie   +103 more
doaj   +1 more source

Limits on Optical Counterparts to the Repeating Fast Radio Burst 20180916B from High-speed Imaging with Gemini-North/‘Alopeke

open access: yesThe Astrophysical Journal
We report on contemporaneous optical observations at ≈10 ms timescales from the fast radio burst (FRB) 20180916B of two repeat bursts (FRB 20201023 and FRB 20220908) taken with the ‘Alopeke camera on the Gemini-North telescope.
Charles D. Kilpatrick   +9 more
doaj   +1 more source

Discovery of TeV gamma-ray emission from the pulsar wind nebula 3C 58 by MAGIC

open access: yesEPJ Web of Conferences, 2016
The pulsar wind nebula (PWN) 3C 58 is one of the historical very-high-energy (VHE; E>100 GeV) gamma-ray source candidates. It has been compared to the Crab Nebula due to their morphological similarities.
López-Coto Rubén
doaj   +1 more source

A Cacophony of Echoes from Daily Monitoring of the Crab Pulsar at Jodrell Bank

open access: yesThe Astrophysical Journal
Using archival data from the 42-foot telescope at the Jodrell Bank Observatory, we produce daily stacks of aligned giant pulses for the Crab pulsar, to study changes to the daily profiles between 2012 April and 2016 December.
Thierry Serafin Nadeau   +5 more
doaj   +1 more source

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