Rotational Signatures of Disks in Massive Star Formation

Details Rotational Signatures of Disks in Massive Star Formation Rotational Signatures of Disks in Massive Star Formation

Mar 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aas...21116226f&link_type=abstract

American Astronomical Society, AAS Meeting #211, #162.26

Astronomy and Astrophysics

Astronomy

Scientific paper

We have obtained multiple data sets from the SMA, PdBI, and IRAM 30m telescope of the massive Infrared Dark Cloud IRDC18223-3 and High-Mass Protostellar Object IRAS18151-1208 in order to look for clues regarding the role of rotation and disks in high mass star formation. Because IRAS 18151-1208 is at a later evolutionary stage than IRDC 18223-3, these two objects allow us to compare the central-most regions surrounding the embedded continuum source at two different periods in the formation process. Toward both regions we see rotational structures perpendicular to molecular outflows. Similarities and differences will be discussed in the context of core and disk evolution.

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