Submillimeter Polarimetry of Star Forming Regions: From Cloud Cores to Circumstellar Disks

Details Submillimeter Polarimetry of Star Forming Regions: From Cloud Cores to Circumstellar Disks Submillimeter Polarimetry of Star Forming Regions: From Cloud Cores to Circumstellar Disks

Dec 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999sf99.proc..212t&link_type=abstract

Star Formation 1999, Proceedings of Star Formation 1999, held in Nagoya, Japan, June 21 - 25, 1999, Editor: T. Nakamoto, Nobeyam

Physics

1

Scientific paper

The importance of far-infrared/submillimeter/millimeter polarimetry of thermal emission from the interstellar dust has been recognized from 1960s. However, the first successful detection of `thermal polarization' at these wavelengths was in early 1980s and it is only very recently that such techniques become available for non-specialists of polarimetry to trace the magnetic fields in star forming regions. In this paper we describe the significance of FIR/ submillimeter/millimeter polarimetric observations and their progresses, beginning with a historical review. Emphasized is the study of low-mass star forming regions because it is the area that we have a clearer paradigm of star formation and evolution. We then describe the importance of submillimeter polarimetry with array detectors, in particular, the SCUBA polarimeter at the JCMT 15m telescope. At present this is one of the most powerful instruments to reveal the magnetic fields in star forming regions. Several latest results from this instrument including the first detection of submillimeter polarization from T Tauri stars and detailed mapping of the ρ Oph core are presented.

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