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The High Frequency Radio Emission of the Galactic Center Magnetar SGR J1745-29 During a Transitional Period
Joseph D. Gelfand, Scott Ransom, Chryssa Kouveliotou +6
The origin of the high-frequency radio emission detected from several magnetars is poorly understood. In this paper, we report the ~40 GHz properties of SGR J1745-29 as measured us…
Proper Motion of the High-Velocity Pulsar in SNR MSH 15-56
Tea Temim, Patrick Slane, Paul P. Plucinsky +3
We present a measurement of the proper motion of the presumed pulsar in the evolved composite supernova remnant (SNR) MSH 15-56 whose pulsar wind nebula (PWN) has been disrupted by…
The Fourteenth Data Release of the Sloan Digital Sky Survey: First Spectroscopic Data from the extended Baryon Oscillation Spectroscopic Survey and from the second phase of the Apache Point Observatory Galactic Evolution Experiment
Bela Abolfathi, D. S. Aguado, Gabriela Aguilar +344
The fourth generation of the Sloan Digital Sky Survey (SDSS-IV) has been in operation since July 2014. This paper describes the second data release from this phase, and the fourtee…
Investigating Galactic supernova remnant candidates with LOFAR
Laura N. Driessen, Vladimír Domček, Jacco Vink +3
We investigate six supernova remnant (SNR) candidates --- G51.21+0.11, G52.37-0.70, G53.07+0.49, G53.41+0.03, G53.84-0.75, and the possible shell around G54.1-0.3 --- in the Galact…
Multiwavelength monitoring of a very active dwarf nova AX J1549.85416 with an unusually high duty cycle
Guobao Zhang, Joseph D. Gelfand, David M. Russell +5
We present the results of our analysis of new optical, ultraviolet (UV) and X-ray observations of a highly variable source AX J1549.85416. Both the detection of several fast…
A Massive Shell of Supernova-formed Dust in SNR G54.1+0.3
Tea Temim, Eli Dwek, Richard G. Arendt +5
While theoretical dust condensation models predict that most refractory elements produced in core-collapse supernovae (SNe) efficiently condense into dust, a large quantity of dust…