605 citations · 4.5k across the 104 of their papers we have counts for
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astro-ph.CO2012★ 41 cited
Chandra View of the Warm-Hot IGM toward 1ES 1553+113: Absorption Line Detections and Identifications (Paper I)
F. Nicastro, M. Elvis, Y. Krongold +14
We present the first results from our pilot 500 ks Chandra-LETG Large Program observation of the soft X-ray brightest source in the z>=0.4 sky, the blazar 1ES 1553+113, aimed to se…
astro-ph.CO2012★ 12 cited
An X-ray WHIM metal absorber from a Mpc-scale empty region of space
Luca Zappacosta, Fabrizio Nicastro, Yair Krongold +1
We report a detection of an absorption line at ~44.8 Å in a > 500 ks Chandra HRC-S/LETG X-ray grating spectrum of the blazar H 2356-309. This line can be identified as intervening…