OVERVIEW OF THE MASSIVE YOUNG STAR-FORMING COMPLEX STUDY IN INFRARED AND X-RAY (MYStIX) PROJECT
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abstract
MYStIX (Massive Young Star-Forming Complex Study in Infrared and Xray) seeks
to characterize 20 OB-dominated young clusters and their environs at distances
d < 4 kpc using imaging detectors on the Chandra X-ray Observatory, Spitzer
Space Telescope, and the United Kingdom InfraRed Telescope. The observational
goals are to construct catalogs of star-forming complex stellar members with
well-defined criteria, and maps of nebular gas (particularly of hot X-ray
emitting plasma) and dust. A catalog of MYStIX Probable Complex Members (MPCMs)
with several hundred OB stars and > 30, 000 low mass premain sequence is
assembled. This sample and related data products will be used to seek new
empirical constraints on theoretical models of cluster formation and dynamics,
mass segregation, OB star formation, star formation triggering on the periphery
of HII regions, the survivability of protoplanetary disks in HII regions. This
paper give an introduction and overview of the project, covering the data
analysis methodology and application to two star forming regions, NGC 2264 and
the Trifid Nebula.
