76 citations · 177 across the 5 of their papers we have counts for
12 papers
NICER observes the full Z-track in GX 13+1
Mohamad Ali Kaddouh, Malu Sudha, Renee M. Ludlam
We present the temporal analysis of the persistent neutron star low-mass X-ray binary (NS LMXB) GX 13+1 using NICER data. Classification of this source has been ambiguous so far. W…
A View of the Long-Term Spectral Behavior of Ultra Compact X-Ray Binary 4U 0614+091
David L. Moutard, Renee M. Ludlam, Edward M. Cackett +3
In this study, we examine 51 archival NICER observations and 6 archival NuSTAR observations of the neutron star (NS) ultra-compact X-ray binary (UCXB) 4U 0614+091, which span over…
Return to the forgotten ULX: a broadband NICER+NuSTAR study of NGC 4190 ULX-1
Hannah P Earnshaw, Matteo Bachetti, Murray Brightman +7
We observed the nearby and relatively understudied ultraluminous X-ray source (ULX) NGC 4190 ULX-1 jointly with NICER and NuSTAR to investigate its broadband spectrum, timing prope…
Reflecting on Accretion in Neutron Star Low-Mass X-ray Binaries
Renee M. Ludlam
Neutron star low-mass X-ray binaries accrete via Roche-lobe overflow from a stellar companion that is 1 M. The accretion disk in these systems can be externall…
The High Energy X-ray Probe (HEX-P): A New Window into Neutron Star Accretion
R. M. Ludlam, C. Malacaria, E. Sokolova-Lapa +15
Accreting neutron stars (NSs) represent a unique laboratory for probing the physics of accretion in the presence of strong magnetic fields ( G). Additionally, the ma…
Simultaneous NICER and NuSTAR Observations of the Ultra-compact X-ray Binary 4U 0614+091
David Moutard, Renee Ludlam, Javier A. García +13
We present the first joint NuSTAR and NICER observations of the ultra-compact X-ray binary (UCXB) 4U 0614+091. This source shows quasi-periodic flux variations on the timescale of…