Topic summary
Chamaeleon I
Extracted from the Wikipedia article Chamaeleon Cloud.
Chamaeleon I dark cloud
There are some seventy to ninety X-ray sources in the Chamaeleon I star forming region. The Uhuru X-ray source (4U 1119–77) is within the Chamaeleon I cloud. This source region within the Chamaeleon I dark cloud was observed by ROSAT on February 9 at 22:14:47 UTC to February 18, 1991, 17:59:12 UTC, and on March 6, 1991, from 09:12:19 to 13:05:13 UTC. This cloud contains both "weak" T Tauri (WTT) stars and "classical" T Tauri (CTT) stars. Chamaeleon I X-ray ROSAT source 66 is at RA 11 17 36.4-37.9 Dec -77° 04' 27-50", is a CTT, Chamaeleon I No. T56, aka CTT star HM 32.