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19942026
most citedNatural Wormholes as Gravitational Lenses

270 citations

Showing astro-ph.HEShow all

6 papers · 1 filter

astro-ph.HE2026

Classification of IGR J20084+3221 as an Intermediate Polar using X-ray and Optical Observations

Julian Gerber, Jeremy Hare, John A. Tomsick +2

IGR J20084+3221 is a previously unclassified Galactic source first detected by INTEGRAL. Chandra observations led to possible classifications of either a magnetic Cataclysmic Varia…

astro-ph.HE2025

Infrared Synchrotron Emission in the Soft State of GX 339-4 and the Mid-Infrared/X-ray Luminosity Plane of Black Hole X-ray Binaries

P. Gandhi, D. M. Russell, M. C. Baglio +33

Progress in understanding the growth of accreting black holes remains hampered by a lack of sensitive coordinated multiwavelength observations. In particular, the mid-infrared (MIR…

astro-ph.HE2025★ 1 cited

Reprocessing from highly ionized gas in the soft spectral state of V4641 Sgr with NuSTAR

Riley M. T. Connors, Joey Neilsen, Aarran W. Shaw +6

V4641 Sgr is a low-mass black hole X-ray binary system with somewhat puzzling spectral characteristics during its soft state. Recent high-resolution spectroscopic studies of V4641…

astro-ph.HE2023★ 18 cited

Properties of Gamma-Ray Bursts Associated with Supernovae and Kilonovae

Q. M. Li, Z. B. Zhang, X. L. Han +3

We systematically compare the temporal and spectral properties of 53 Supernova (SN)-associated and 15 Kilonova (KN)-associated Gamma-Ray Bursts (GRBs). We find that the spectral pa…

astro-ph.HE2023★ 3 cited

Strongly magnetized accretion in two ultracompact binary systems

Thomas J. Maccarone, Thomas Kupfer, Edgar Najera Casarrubias +5

We present the discoveries of two of AM CVn systems, Gaia14aae and SDSS~J080449.49+161624.8, which show X-ray pulsations at their orbital periods, indicative of magnetically collim…

astro-ph.HE2013★ 67 cited

The 72-Hour WEBT Microvariability Observation of Blazar S5 0716+714 in 2009

G. Bhatta, J. R. Webb, H. Hollingsworth +42

Context. The international whole earth blazar telescope (WEBT) consortium planned and carried out three days of intensive micro-variability observations of S5 0716+714 from Februar…