Astronomy and Astrophysics – Astrophysics
Scientific paper
Apr 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007a%26a...466..243s&link_type=abstract
Astronomy and Astrophysics, Volume 466, Issue 1, April IV 2007, pp.243-246
Astronomy and Astrophysics
Astrophysics
3
Ism: Clouds, Ism: Lines And Bands, Ism: Molecules
Scientific paper
Aims: The CS (J = 2-1) line was searched at locations with brightest 13CO (J=1-0) emissions in the region in front of the star Cyg OB2 No. 12. Methods: The observations were made with the 20-m millimeter wave telescope at Onsala using a 1024-channel autocorrelator with a resolution of 50 kHz (0.14 km s-1). Results: The line was detected only in one position (core B) with main beam brightness temperature TMB = 0.15(2) K at vLSR = 11.4(1) km s-1. Conclusions: The line excitation analysis suggests that core B could be a Bok globule in consideration of its morphology, chemistry and physical conditions.
Casu Silvia
Cecchi-Pestellini Cesare
Olberg Michael
Scappini Flavio
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