Star formation in the Northern cloud complex of NGC 2264

Abigail S. Hedden, Christopher K. Walker, Christopher E. Groppi, Harold M. Butner

Research output: Contribution to journalArticle

1 Scopus citations

Abstract

We have made continuum and spectral line observations of several outflow sources in the Mon OBI dark cloud (NGC 2264) using the Heinrich Hertz Telescope (HHT) and ARO 12 m millimeter-wave telescope. This study explores the kinematics and outflow energetics of the young stellar systems observed and assesses the impact star formation is having on the surrounding cloud environment. Our data set incorporates 12CO (3-2),13CO (3-2), and 12CO (1-0) observations of outflows associated with the sources IRAS 06382+1017 and IRAS 06381+1039, known as IRAS 25 and 27, respectively, in the northern cloud complex. Complementary 870 μm continuum maps were made with the HHT 19 channel bolometer array. Our results indicate there is a weak ≤0.5% coupling between outflow kinetic energy and turbulent energy of the cloud. An analysis of the energy balance in the IRAS 25 and 27 cores suggests they are maintaining their dynamical integrity except where outflowing material directly interacts with the core, such as along the outflow axes.

Original languageEnglish (US)
Pages (from-to)345-356
Number of pages12
JournalAstrophysical Journal
Volume645
Issue number1 I
DOIs
StatePublished - Jul 1 2006

Keywords

  • ISM: clouds
  • ISM: individual (Monoceros OB1 [NGC 2264])
  • ISM: jets and outflows
  • ISM: kinematics and dynamics
  • ISM: molecules radio lines: ISM
  • Stars: formation

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science

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