Star Formation in Clusters: A Survey of Compact Millimeter-Wave Sources in the Serpens Core

1998/09/24 by Leonardo Testi, L. Testi, Anneila I. Sargent +1 · 16 citations
Physics and Astronomy · #Astronomy #Astrophysics #Astrophysics and Star Formation Studies #Initial mass function #Millimeter #Molecular cloud #Optics #Physics #Scientific Research and Discoveries #Serpens #Star formation #Stars #Stellar, planetary, and galactic studies #Wavelength #Young stellar object #astro-ph

paper · pdf · doi:10.1086/311724

To be published on The Astrophysical Journal Letters, 11 pages, 4 figures, aastex macros needed

arxiv created 1998/09/24 · openalex publication_date 1998/11/20 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05

Abstract

We report the results of a millimeter interferometric survey of compact 3 mm continuum sources in the inner 5 5 × 5 5 region of the Serpens core. We detect 32 discrete sources above 4.0 mJy beam -1 , 21 of which are new detections at millimeter wavelengths. By comparing our data with published infrared surveys, we estimate that 26 sources are probably protostellar condensations and derive their mass by assuming optically thin thermal emission from dust grains. The mass spectrum of the clumps, dN / dM ~ M −2.1 , is consistent with the stellar initial mass function, supporting the idea that the stellar masses in young clusters are determined by the fragmentation of turbulent cloud cores.

Citations

• Star Formation in Molecular Clouds: Observation and Theory

Cited by

• Envelope Structure of Deeply Embedded Young Stellar Objects in the Serpens Molecular Cloud
• The unexpectedly large proportion of high-mass star-forming cores in a Galactic mini-starburst
• Structural Analysis of Molecular Clouds: Dendrograms
• Fragmentation and mass segregation in the massive dense cores of Cygnus X
• Shapes of Molecular Cloud Cores and the Filamentary Mode of Star Formation
• Turbulent molecular clouds
• Turbulence in the Star-forming Interstellar Medium: Steps toward Constraining Theories with Observations
• THE EFFECT OF MAGNETIC FIELDS AND AMBIPOLAR DIFFUSION ON CORE MASS FUNCTIONS
• What does a universal initial mass function imply about star formation?
• Does turbulence determine the initial mass function?
• Mapping the Outflow from G5.89-0.39 in SiO J = 5 → 4
• Distribution of Circumstellar Disk Masses in the Young Cluster NGC 2024
• A SCUBA survey of the NGC 2068/2071 protoclusters
• On the power-law tail in the mass function of protostellar condensations and stars
• Fragmentation in molecular clouds and its connection to the IMF
• The Stellar Initial Mass Function from Turbulent Fragmentation