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34 papers · 1 filter
SOFIA Far Infrared Imaging Polarimetry of M82 and NGC 253: Exploring the Super-Galactic Wind
Terry Jay Jones, C. Darren Dowell, Enrique Lopez Rodriguez +22
We present Far-Infrared polarimetry observations of M82 at 53 and and NGC 253 at , which were taken with HAWC+ in polarimetry mode on the Stratospheric Ob…
Examining the class B-to-A shift of the 7.7 m PAH band with the NASA Ames PAH IR Spectroscopic Database
M. J. Shannon, C. Boersma
We present insights into the behavior of the astronomical 7.7 m polycyclic aromatic hydrocarbon (PAH) emission complex as gleaned from analyzing synthesized spectra, utilizing t…
JCMT BISTRO survey: Magnetic Fields within the Hub-Filament Structure in IC 5146
Jia-Wei Wang, Shih-Ping Lai, Chakali Eswaraiah +130
We present the 850 m polarization observations toward the IC5146 filamentary cloud taken using the Submillimetre Common-User Bolometer Array 2 (SCUBA-2) and its associated polar…
Cascading Constraints from Neutrino Emitting Blazars: The case of TXS 0506+056
Anita Reimer, Markus Boettcher, Sara Buson
We present a procedure to generally constrain the environments of neutrino-producing sites in photomeson production models of jetted Active Galactic Nuclei (AGN) where any origin o…
X-ray and optical monitoring of the December 2017 outburst of the Be/X-ray binary AX J0049.4-7323
L. Ducci, C. Malacaria, P. Romano +5
AX J0049.4-7323 is a Be/X-ray binary that shows an unusual and poorly understood optical variability that consists of periodic and bright optical outbursts, simultaneous with X-ray…
High-resolution Charge Exchange Spectra with L-shell Nickel Show Striking Differences from Models
G. L. Betancourt-Martinez, P. Beiersdorfer, G. V. Brown +7
We present the first high-resolution laboratory spectra of X-ray emission following L-shell charge exchange between nickel ions and neutral H2 and He. We employ the commonly used c…