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Evolutionary Signatures in the Formation of Low-Mass Protostars. II. Towards Reconciling Models and Observations
Michael M. Dunham, Neal J. Evans, Susan Terebey +2
A long-standing problem in low-mass star formation is the "luminosity problem," whereby protostars are underluminous compared to the accretion luminosity expected both from theoret…
The Spitzer c2d Survey of Nearby Dense Cores: Jet and Molecular Outflow Associated with a YSO in core A of L1251
Jeong-Eun Lee, Ho-Gyu Lee, Jong-Ho Shinn +6
A long infrared jet has been discovered by the Spitzer c2d legacy program in core A of L1251. It is associated with a very embedded Class 0 object with an accretion luminosity of a…
Continuum Observations at 350 Microns of High-Redshift Molecular Emission Line Galaxies
Jingwen Wu, Paul Vanden Bout, Neal Evans +1
We report observations of 15 high redshift (z = 1-5) galaxies at 350 microns using the Caltech Submillimeter Observatory and SHARC-II array detector. Emission was detected from eig…
Disk and Envelope Structure in Class 0 Protostars: I. The Resolved Massive Disk in Serpens FIRS 1
Melissa L. Enoch, Stuartt Corder, Michael M. Dunham +1
We present the first results of a program to characterize the disk and envelope structure of typical Class 0 protostars in nearby low-mass star forming regions. We use Spitzer IRS…
The Spitzer c2d Survey of Nearby Dense Cores: VI. The Protostars of Lynds Dark Nebula 1221
Chadwick H. Young, Tyler L. Bourke, Michael M. Dunham +7
Observations of Lynds Dark Nebula 1221 from the Spitzer Space Telescope are presented. These data show three candidate protostars towards L1221, only two of which were previously k…
The circumstellar disc in the Bok globule CB 26: Multi-wavelength observations and modelling of the dust disc and envelope
J. Sauter, S. Wolf, R. Launhardt +10
Circumstellar discs are expected to be the nursery of planets. Grain growth within such discs is the first step in the planet formation process. The Bok globule CB 26 harbours such…