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Detection of CS emi...
Detection of CS emission towards Cygnus OB2 No. 12
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- Scappini, F. (författare)
- Istituto per lo Studio dei Materiali Nanostrutturati del C.N.R.
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- Cecchi-Pestellini, C. (författare)
- Istituto nazionale di astrofisica (INAF)
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- Casu, S. (författare)
- Istituto nazionale di astrofisica (INAF)
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- Olberg, Michael, 1956 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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Istituto per lo Studio dei Materiali Nanostrutturati del CN.R. Istituto nazionale di astrofisica (INAF) (creator_code:org_t)
- 2007-02-12
- 2007
- Engelska.
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Ingår i: Astronomy and Astrophysics. - : EDP Sciences. - 0004-6361 .- 1432-0746. ; 466, s. 243-246
- Relaterad länk:
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http://dx.doi.org/10...
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https://www.aanda.or...
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https://doi.org/10.1...
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https://research.cha...
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Abstract
Ämnesord
Stäng
- 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 $T_{\rm MB} = 0.15(2)$ K at $v_{\rm LSR} = 11.4(1)$ 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.
Ämnesord
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
Nyckelord
- ISM: molecules
- ISM: clouds
- ISM: lines and bands
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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