Understanding The Evolution Of Sun-like Stars: IRAS 4

Details Understanding The Evolution Of Sun-like Stars: IRAS 4 Understanding The Evolution Of Sun-like Stars: IRAS 4

Jan 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012aas...21933701q&link_type=abstract

American Astronomical Society, AAS Meeting #219, #337.01

Astronomy and Astrophysics

Astronomy

Scientific paper

We present high resolution EVLA observations of the dust and gas in the NGC 1333 IRAS 4 star forming region, focusing on the class 0 protostars, IRAS 4A1/4A2 and IRAS 4B. Dust properties are derived from the spectral energy distribution over the 6-10 millimeter regime, reviewing extrapolations to both longer and shorter wavelengths. Emission distributions and LTE column densities are derived at 100 AU scales for a series of molecular tracers (SiO, SO2, OCS, CH3OH, CH3OCHO, CS and H2CO), highlighting evolutionary differences between the stars forming in close proximity, and for IRAS 4A, within a common natal envelope.

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