A Filament between Galaxy Clusters A3391 and A3395

摘要

Filamentary gas spanning the region between the galaxy clusters Abell 3391 and Abell 3395 has been detected using ASCA and ROSAT archived data. The gas has a minimum flux of 1.3 * 10~-12 ergs cm~-2 s~-1 (0.810 keV). Within this filament resides a galaxy group for which a flux of (2.0 ± 0.3) * 10~-13 ergs cm~-2 s~-1 (0.810 keV) is determined. An analysis using ray-tracing determines light scattered into the filamentary region contributes 13% of the count rate. The structure in which the filamentary gas resides is postulated to be a filament aligned nearly lengthwise with the line of sight.