148 citations · 154 across the 2 of their papers we have counts for
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astro-ph2005★ 148 cited
The Outburst of HST-1 in the M87 Jet
D. E. Harris, C. C. Cheung, J. A. Biretta +4
The X-ray intensity of knot HST-1, 0.85" from the nucleus of the radio galaxy M87, has increased by more than a factor of 50 during the last 5 years. The optical increase is simila…
astro-ph1998★ 6 cited
X-ray Variability in M87: 1992 - 1998
D. E. Harris, J. A. Biretta, W. Junor
Beginning in 1995 June, we have obtained an observation of M87 with the ROSAT High Resolution Imager (HRI) every 6 months. We present the measurements of X-ray intensity for the co…