activity
20152024
most citedX-Ray Polarimetry with the Polarization Spectroscopic Telescope Array (PolSTAR)

57 citations · 334 across the 10 of their papers we have counts for

collaborators

11 papers

gr-qc2024

Deep Einstein@Home search for Continuous Gravitational Waves from the Central Compact Objects in the Supernova Remnants Vela Jr. and G347.3-0.5 using LIGO public data

Jing Ming, Maria Alessandra Papa, Heinz-Bernd Eggenstein +5

We perform a search for continuous nearly monochromatic gravitational waves from the central compact objects associated with the supernova remnants Vela Jr. and G347.3 using LIGO O…

astro-ph.HE2023★ 36 cited

X-ray Polarization of the Black Hole X-ray Binary 4U 1630-47 Challenges Standard Thin Accretion Disk Scenario

Ajay Ratheesh, Michal Dovčiak, Henric Krawczynski +112

Large energy-dependent X-ray polarization degree is detected by the Imaging X-ray Polarimetry Explorer ({IXPE}) in the high-soft emission state of the black hole X-ray binary 4U 16…

astro-ph.HE2021★ 27 cited

New searches for continuous gravitational waves from seven fast pulsars

Anjana Ashok, Banafsheh Beheshtipour, Maria Alessandra Papa +6

We conduct searches for continuous gravitational waves from seven pulsars, that have not been targeted in continuous wave searches of Advanced LIGO data before. We target emission…

gr-qc2020★ 26 cited

Deep learning for clustering of continuous gravitational wave candidates II: identification of low-SNR candidates

Banafsheh Beheshtipour, Maria Alessandra Papa

Broad searches for continuous gravitational wave signals rely on hierarchies of follow-up stages for candidates above a given significance threshold. An important step to simplify…

gr-qc2020★ 55 cited

Deep learning for clustering of continuous gravitational wave candidates

Banafsheh Beheshtipour, Maria Alessandra Papa

In searching for continuous gravitational waves over very many () templates , clustering is a powerful tool which increases the search sensitivity by identifying a…

astro-ph.HE2020★ 37 cited

Observations of a GX 301-2 Apastron Flare with the X-Calibur Hard X-Ray Polarimeter Supported by NICER, the Swift XRT and BAT, and Fermi GBM

Q. Abarr, M. Baring, B. Beheshtipour +28

The accretion-powered X-ray pulsar GX 301-2 was observed with the balloon-borne X-Calibur hard X-ray polarimeter during late December 2018, with contiguous observations by the NICE…

astro-ph.HE2017★ 55 cited

The X-ray Polarization of the Accretion Disk Coronae of Active Galactic Nuclei

Banafsheh Beheshtipour, Henric Krawczynski, Julien Malzac

Hard X-rays observed in Active Galactic Nuclei (AGNs) are thought to originate from the Comptonization of the optical/UV accretion disk photons in a hot corona. Polarization studie…

astro-ph.IM2017

Design of the telescope truss and gondola for the balloon-borne X-ray polarimeter X-Calibur

Fabian Kislat, Banafsheh Beheshtipour, Paul Dowkontt +13

X-ray polarimetry has seen a growing interest in recent years. Improvements in detector technology and focusing X-ray optics now enable sensitive astrophysical X-ray polarization m…

astro-ph.HE2016★ 15 cited

Studies of the Origin of High-Frequency Quasi-Periodic Oscillations of Mass Accreting Black Holes in X-ray Binaries with Next-Generation X-ray Telescopes

Banafsheh Beheshtipour, Janie K. Hoormann, Henric Krawczynski

Observations with RXTE (Rossi X-ray Timing Explorer) revealed the presence of High Frequency Quasi-Periodic Oscillations (HFQPOs) of the X-ray flux from several accreting stellar m…

astro-ph.HE2016★ 26 cited

Testing General Relativity's No-Hair Theorem with X-Ray Observations of Black Holes

Janie K. Hoormann, Banafsheh Beheshtipour, Henric Krawczynski

Despite its success in the weak gravity regime, General Relativity (GR) has yet to be verified in the regime of strong gravity. In this paper, we present the results of detailed ra…

astro-ph.IM2015★ 57 cited

X-Ray Polarimetry with the Polarization Spectroscopic Telescope Array (PolSTAR)

Henric S. Krawczynski, Daniel Stern, Fiona A. Harrison +49

This paper describes the Polarization Spectroscopic Telescope Array (PolSTAR), a mission proposed to NASA's 2014 Small Explorer (SMEX) announcement of opportunity. PolSTAR measures…