activity
19962023
most citedChandra X-ray Spectroscopic Imaging of Sgr A* and the Central Parsec of the Galaxy

783 citations · 11.6k across the 169 of their papers we have counts for

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Showing 2003 · astro-phShow all

5 papers · 2 filters

astro-ph2003★ 58 cited

Constraints on the Very High Energy Emission from BL Lacertae Objects

D. Horan

We present results from observations of 29 BL Lacertae objects, taken with the Whipple Observatory 10 m Gamma-Ray Telescope between 1995 and 2000. The observed objects are mostly a…

astro-ph2003★ 17 cited

Cessation of X-ray Pulsation of GX 1+4

Wei Cui, Benjamin Smith

We report results from our weekly monitoring campaign on the X-ray pulsar GX 1+4 with the {\em Rossi X-ray Timing Explorer} satellite. The spin-down trend of GX 1+4 was continuing,…

astro-ph2003★ 30 cited

Search for High Energy Gamma Rays from an X-ray Selected Blazar Sample

I. de la Calle Perez, the VERITAS Collaboration

Our understanding of blazars has been greatly increased in recent years by extensive multi-wavelength observations, particularly in the radio, X-ray and gamma-ray regions. Over the…

astro-ph2003★ 117 cited

Multiwavelength observations revealing the evolution of the outburst of the black hole XTE J1118+480

S. Chaty, C. A. Haswell, J. Malzac +3

We report multiwavelength observations of the soft X-ray transient (SXT) XTE J1118+480, which we observed with UKIRT, HST, RXTE, EUVE and many other instruments and facilities. Add…

astro-ph2003★ 131 cited

The remarkable rapid X-ray, ultraviolet, optical, and IR variability in the black hole XTE J1118+480

R. I. Hynes, C. A. Haswell, W. Cui +6

The transient black hole binary XTE J1118+480 exhibited dramatic rapid variability at all wavelengths which were suitably observed during its 2000 April-July outburst. We examine t…