Results 21 to 30 of about 605 (176)

A Method to Estimate the Cooling Time of Ultra-Relativistic Electrons in Pulsar Wind Nebulae [PDF]

open access: yesAmerican Journal of Astronomy and Astrophysics, 2015
Pulsar is a highly magnetized rotating neutron star. It continuously emits a wind of relativistic electrons and positrons. This wind creates an electron-positron-cloud around the pulsar. This cloud, which is full of relativistic electrons and positrons, is called a Pulsar Wind Nebula (PWN).
openaire   +1 more source

Interventional therapies for chronic heart failure: An overview of recent developments

open access: yesESC Heart Failure, Volume 12, Issue 2, Page 1081-1094, April 2025.
Abstract Heart failure (HF), the final manifestation of most cardiovascular diseases, has become a major global health concern, affecting millions of individuals. Despite basic drug treatments, patients present with high morbidity and mortality rates. However, recent advancements in interventional therapy have shown promising results in improving the ...
Bingchen Guo   +7 more
wiley   +1 more source

The Green Bank North Celestial Cap Survey. VII. 12 New Pulsar Timing Solutions

open access: yesThe Astrophysical Journal, 2023
We present timing solutions for 12 pulsars discovered in the Green Bank North Celestial Cap 350 MHz pulsar survey, including six millisecond pulsars (MSPs), a double neutron star (DNS) system, and a pulsar orbiting a massive white dwarf companion. Timing
J. K. Swiggum   +24 more
doaj   +1 more source

Pulsar time delay estimation method based on two-level compressed sensing

open access: yesActa Physica Sinica, 2018
In the traditional compressed sensing algorithms, the precision of the time delay estimation is closely related to the number of atoms in the dictionary. The bigger the atom number, the smaller the atomic interval becomes, thus the higher the accuracy of the time delay estimation will be.
null Kang Zhi-Wei   +4 more
openaire   +1 more source

Proteomics‐Based Identification of the Pyroptosis‐Related Biomarker PCSK9 and Its Association With the Pathogenesis of Rheumatoid Arthritis

open access: yesThe Kaohsiung Journal of Medical Sciences, EarlyView.
ABSTRACT Rheumatoid arthritis (RA) is a common autoimmune disease, and early diagnosis is critical for effective treatment. This study aims to identify potential biomarkers related to pyroptosis through serum proteomics analysis, offering new insights for the early diagnosis of RA.
Lei Wang   +10 more
wiley   +1 more source

Decade-long Timing of Four GMRT Discovered Millisecond Pulsars

open access: yesThe Astrophysical Journal
The discovery and timing follow up of millisecond pulsars (MSPs) are necessary not just for their usefulness in pulsar timing arrays (PTAs) but also for investigating their own intriguing properties.
Shyam S. Sharma   +3 more
doaj   +1 more source

Have pulsar timing array methods detected a cosmological phase transition?

open access: yesPhysical Review D
We show that the recent detection of a gravitational wave (GW) background reported by various pulsar timing array (PTA) collaborations including NANOGrav-15yr, PPTA, EPTA, and CPTA can be explained in terms of first order phase transitions (FOPTs) from dark sector models (DSM).
Andrea Addazi   +3 more
openaire   +2 more sources

Data‐Independent Acquisition Mass Spectrometry in Tumor Classification and Cancer Biomarker Research

open access: yesMass Spectrometry Reviews, EarlyView.
Abstract Cancer treatment is far from optimal also because current classification systems do not reflect the complex molecular status of the tumor and its phenotype in sufficient detail. To construct molecular tumor classifiers, omics tools provide complex molecular data reflecting many aspects from genotype to phenotype.
Jan Simonik   +3 more
wiley   +1 more source

Long-term Timing Evolution of Four Anomalous X-Ray Pulsars

open access: yesThe Astrophysical Journal
Anomalous X-ray pulsars (AXPs) and soft gamma-ray repeaters (SGRs) are believed to be manifestations of magnetars. Typically, AXPs exhibit higher X-ray luminosities, whereas SGRs are generally fainter and display significantly high signal-to-noise ratios
Han-Long Peng   +11 more
doaj   +1 more source

The NANOGrav 15 yr Data Set: Observations and Timing of 68 Millisecond Pulsars

open access: yesThe Astrophysical Journal Letters, 2023
We present observations and timing analyses of 68 millisecond pulsars (MSPs) comprising the 15 yr data set of the North American Nanohertz Observatory for Gravitational Waves (NANOGrav).
Gabriella Agazie   +100 more
doaj   +1 more source

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