Astronomy and Astrophysics – Astrophysics
Scientific paper
Jan 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004iaus..219...63m&link_type=abstract
Stars as suns : activity, evolution and planets, Proceedings of the 219th symposium of the International Astronomical Union held
Astronomy and Astrophysics
Astrophysics
1
Scientific paper
The Submillimeter Array (SMA) is nearing completion on the summit of Mauna Kea and has begun partial operation. The completed instrument will consist of eight 6-m diameter elements in reconfigurable arrays providing baselines from 7 to 500 m and resolutions of about 0.1 to 5 arcseconds. The full array will cover the bands around 230 345 460 650 and 850 GHz (1.3 to 0.3 millimeter wavelength) with a total bandwidth of 2 GHz and high spectral resolution. As of February 2003 five elements were available at 230 and 345 GHz and four elements at 650 GHz with a bandwidth of 650 MHz. Eight elements are expected to be in operation by the end of 2003. A pilot program with the CSO and JCMT is planned for 2005.
The Array will have broad astronomical applications. Of interest to S219 is the preliminary work on outflows associated with young stellar objects TW Hydra HL Tau L1551 MWC480 HD263296 and IRAS16293 and evolved stars V Hydra CRL 618 CRL 2688 R Cas and EP Aquarius.
The SMA is a joint project of the Smithsonian Astrophysical Observatory and the Institute of Astronomy and Astrophysics Taiwan. A visitor observing program will be established in 2004
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