C. J. Hailey
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View article: GAPS contributions to the 38th International Cosmic Ray Conference (Nagoya 2023)
GAPS contributions to the 38th International Cosmic Ray Conference (Nagoya 2023) Open
Compilation of papers presented by the GAPS Collaboration at the 38th International Cosmic Ray Conference (ICRC), held July 26 through August 3, 2023 in Nagoya, Japan.
View article: Constraining particle acceleration in Sgr A<sup>⋆</sup>with simultaneous GRAVITY,<i>Spitzer</i>,<i>NuSTAR</i>, and<i>Chandra</i>observations
Constraining particle acceleration in Sgr A<sup>⋆</sup>with simultaneous GRAVITY,<i>Spitzer</i>,<i>NuSTAR</i>, and<i>Chandra</i>observations Open
We report the time-resolved spectral analysis of a bright near-infrared and moderate X-ray flare of Sgr A ⋆ . We obtained light curves in the M , K , and H bands in the mid- and near-infrared and in the 2 − 8 keV and 2 − 70 keV bands in th…
View article: Constraining particle acceleration in Sgr A* with simultaneous GRAVITY, Spitzer, NuSTAR and Chandra observations
Constraining particle acceleration in Sgr A* with simultaneous GRAVITY, Spitzer, NuSTAR and Chandra observations Open
We report the time-resolved spectral analysis of a bright near-infrared and moderate X-ray flare of Sgr A*. We obtained light curves in the $M$-, $K$-, and $H$-bands in the mid- and near-infrared and in the $2-8~\mathrm{keV}$ and $2-70~\ma…
View article: NuSTAR reveals the hidden nature of SS433
NuSTAR reveals the hidden nature of SS433 Open
SS433 is the only Galactic binary system known to persistently accrete at highly super-critical (or hyper-critical) rates, similar to those in tidal disruption events, and likely needed to explain the rapid growth of those very high redshi…
View article: A powerful flare from Sgr A* confirms the synchrotron nature of the X-ray emission
A powerful flare from Sgr A* confirms the synchrotron nature of the X-ray emission Open
We present the first fully simultaneous fits to the near-infrared (NIR) and X-ray spectral slope (and its evolution) during a very bright flare from Sgr A*, the supermassive black hole at the Milky Way's centre. Our study arises from ambit…
View article: The $\textit{Nu}$STAR Serendipitous Survey: The 40-month Catalog and the Properties of the Distant High-energy X-Ray Source Population $\textit{text}$
The $\textit{Nu}$STAR Serendipitous Survey: The 40-month Catalog and the Properties of the Distant High-energy X-Ray Source Population $\textit{text}$ Open
We present the first full catalog and science results for the $\textit{Nuclear Spectroscopic Telescope Array}$ ($\textit{Nu}$STAR) serendipitous survey. The catalog incorporates data taken during the first 40 months of $\textit{Nu}$STAR op…
View article: NuSTAR OBSERVATIONS OF WISE J1036+0449, A GALAXY AT z similar to 1 OBSCURED BY HOT DUST
NuSTAR OBSERVATIONS OF WISE J1036+0449, A GALAXY AT z similar to 1 OBSCURED BY HOT DUST Open
Hot dust-obscured galaxies (hot DOGs), selected from Wide-Field Infrared Survey Explorer’s all-sky infrared
\nsurvey, host some of the most powerful active galactic nuclei known and may represent an important stage in the
\nevolution of ga…
View article: DISK–WIND CONNECTION DURING THE HEARTBEATS OF GRS 1915+105
DISK–WIND CONNECTION DURING THE HEARTBEATS OF GRS 1915+105 Open
Disk and wind signatures are seen in the soft state of Galactic black holes, while the jet is seen in the hard state. Here we study the disk–wind connection in the ρ class of variability in GRS 1915+105 using a joint NuSTAR – Chandra obser…
View article: IC 751: A New Changing Look AGN Discovered By <i>NuSTAR</i>
IC 751: A New Changing Look AGN Discovered By <i>NuSTAR</i> Open
We present results of five Nuclear Spectroscopic Telescope Array (NuSTAR) observations of the type 2 active galactic nucleus (AGN) in IC 751, three of which were performed simultaneously with XMM-Newton or Swift/X-Ray Telescope. We find th…