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- Goddard Space Flight CenterUS402 papers
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166 papers · 1 filter
Identifying the 3FHL Catalog. VI. Swift Observations of 3FHL Unassociated Objects with Source Classification via Machine Learning
S. Joffre, R. Silver, M. Rajagopal +5
The Third Catalog of Hard Fermi Large Area Telescope Sources (3FHL) reports the detection of 1556 objects at E > 10 GeV. However, 177 sources remain unassociated and 23 are associa…
The SDSS-HET Survey of Kepler Eclipsing Binaries. A Sample of Four Benchmark Binaries
Kelly Hambleton, Andrej Prsa, Scott W. Fleming +2
The purpose of this work is to extend a sample of accurately modeled, benchmark-grade eclipsing binaries with accurately determined masses and radii. We select four "well-behaved"…
Unsafe at Any Copy: Name Collisions from Mixing Case Sensitivities
Aditya Basu, John Sampson, Zhiyun Qian +1
File name confusion attacks, such as malicious symbolic links and file squatting, have long been studied as sources of security vulnerabilities. However, a recently emerged type, i…
Formation, Possible Detection and Consequences of Highly Magnetized Compact Stars
Banibrata Mukhopadhyay, Mukul Bhattacharya
Over the past several years, there has been enormous interest in massive neutron stars and white dwarfs due to either their direct or indirect evidence. The recent detection of gra…
The Thousand-Pulsar-Array programme on MeerKAT -- X. Scintillation arcs of 107 pulsars
R. A. Main, A. Parthasarathy, S. Johnston +9
We present the detection of 107 pulsars with interstellar scintillation arcs at 856--1712\,MHz, observed with the MeerKAT Thousand Pulsar Array Programme. Scintillation arcs appear…
A Transient "Changing-look'' Active Galactic Nucleus Resolved on Month Timescales from First-year Sloan Digital Sky Survey V Data
Grisha Zeltyn, Benny Trakhtenbrot, Michael Eracleous +32
We report the discovery of a new ``changing-look'' active galactic nucleus (CLAGN) event, in the quasar SDSS J162829.17+432948.5 at z=0.2603, identified through repeat spectroscopy…