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Protostar mass functions in young clusters
Philip C. Myers
In an improved model of protostar mass functions (PMFs), protostars gain mass from isothermal cores in turbulent clumps. Their mass accretion rate is similar to Shu accretion at lo…
Abundant cyanopolyynes as a probe of infall in the Serpens South cluster-forming region
R. K. Friesen, L. Medeiros, S. Schnee +4
We have detected bright HC7N J = 21-20 emission toward multiple locations in the Serpens South cluster-forming region using the K-Band Focal Plane Array at the Robert C. Byrd Green…
An X-rays Survey of the Young Stellar Population of the Lynds 1641 and Iota Orionis Regions
I. Pillitteri, S. J. Wolk, S. T. Megeath +12
We present an XMM-Newton survey of the part of Orion A cloud south of the Orion Nebula. This survey includes the Lynds 1641 (L1641) dark cloud, a region of the Orion A cloud with v…
Filamentary Accretion Flows in the Embedded Serpens South Protocluster
Helen Kirk, Philip C. Myers, Tyler L. Bourke +3
One puzzle in understanding how stars form in clusters is the source of mass -- is all of the mass in place before the first stars are born, or is there an extended period when the…
Origin of the dense core mass function in contracting filaments
Philip C. Myers
Mass functions of starless dense cores (CMFs) may arise from contraction and dispersal of core-forming filaments. In an illustrative model, a filament contracts radially by self-gr…