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Tracking the variable jets of V404 Cygni during its 2015 outburst
A. J. Tetarenko, G. R. Sivakoff, J. C. A. Miller-Jones +14
We present multi-frequency monitoring observations of the black hole X-ray binary V404 Cygni throughout its June 2015 outburst. Our data set includes radio and mm/sub-mm photometry…
Consistent accretion-induced heating of the neutron-star crust in MXB 1659-29 during two different outbursts
A. S. Parikh, R. Wijnands, L. S. Ootes +10
Monitoring the cooling of neutron-star crusts heated during accretion outbursts allows us to infer the physics of the dense matter present in the crust. We examine the crust coolin…
A multi-wavelength view of the neutron star binary 1FGL J1417.7--4402: A progenitor to canonical millisecond pulsars
Samuel J. Swihart, Jay Strader, Laura Shishkovsky +6
The Fermi -ray source 1FGL J1417.7--4407 (J1417) is a compact X-ray binary with a neutron star primary and a red giant companion in a 5.4 day orbit. This initial conclusio…
ASASSN-18ey: The Rise of a New Black-Hole X-ray Binary
M. A. Tucker, B. J. Shappee, T. W. -S. Holoien +21
We present the discovery of ASASSN-18ey (MAXI J1820+070), a new black hole low-mass X-ray binary discovered by the All-Sky Automated Survey for SuperNovae (ASAS-SN). A week after A…
The MAVERIC survey: A transitional millisecond pulsar candidate in Terzan 5
Arash Bahramian, Jay Strader, Laura Chomiuk +11
Transitional millisecond pulsars are accreting millisecond pulsars that switch between accreting X-ray binary and millisecond radio pulsar states. Only a handful of these objects h…
X-ray Variability from the Ultraluminous Black Hole Candidate X-ray Binary in the Globular Cluster RZ 2109
Kristen C. Dage, Stephen E. Zepf, Arash Bahramian +3
We present the results of long-term monitoring of the X-ray emission from the ultraluminous X-ray source XMMUJ122939.9+075333 in the extragalactic globular cluster RZ2109. The comb…
Continued cooling of the accretion-heated neutron star crust in the X-ray transient IGR J17480-2446 located in the globular cluster Terzan 5
L. S. Ootes, S. Vats, D. Page +10
We present a new Chandra observation (performed in July 2016) of the neutron star X-ray transient IGR J17480-2446, located in the globular cluster Terzan 5. We study the continued…
IGR J17329-2731: The birth of a symbiotic X-ray binary
E. Bozzo, A. Bahramian, C. Ferrigno +10
We report on the results of the multiwavelength campaign carried out after the discovery of the INTEGRAL transient IGR J17329-2731. The optical data collected with the SOAR telesco…
The Maveric Survey: a Red Straggler Binary with an Invisible Companion in the Galactic Globular Cluster M10
Laura Shishkovsky, Jay Strader, Laura Chomiuk +9
We present the discovery and characterization of a radio-bright binary in the Galactic globular cluster M10. First identified in deep radio continuum data from the Karl G. Jansky V…
HST spectrum and timing of the ultra-compact X-ray binary candidate 47 Tuc X9
V. Tudor, J. C. A. Miller-Jones, C. Knigge +17
To confirm the nature of the donor star in the ultra-compact X-ray binary candidate 47 Tuc X9, we obtained optical spectra (3,00010,000 Å) with the Hubble Space Telescope / Spac…
A radio frequency study of the accreting millisecond X-ray pulsar, IGR J165973704, in the globular cluster NGC 6256
A. J. Tetarenko, A. Bahramian, R. Wijnands +14
We present Karl G. Jansky Very Large Array radio frequency observations of the new accreting millisecond X-ray pulsar (AMXP), IGR J165973704, located in the globular cluster NGC…