149 citations · 515 across the 13 of their papers we have counts for
Showing 2003Show all
2 papers · 1 filter
astro-ph2003
Serendipity and the SDSS: Discovery of the Largest Known Planetary Nebula on the Sky
Paul C Hewett, Michael J Irwin, Evan D Skillman +4
Investigation of spectra from the Sloan Digital Sky Survey reveals the presence of a region of ionized gas of >2 degrees diameter centered approximately at alpha = 10^h 37^m delta…
astro-ph2003
The XMM-LSS Survey. First high redshift galaxy clusters: relaxed and collapsing systems
I. Valtchanov, M. Pierre, J. Willis +11
We present five newly found galaxy clusters at z>0.6 from the XMM Large-Scale Structure Survey (XMM-LSS). All five objects are extended X-ray sources in the XMM images. For three o…