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The diffuse clouds towards Cyg OB2 No. 5 and No. 12

S. Casu ; F. Scappini ; C. Cecchi-Pestellini ; Michael Olberg (Institutionen för radio- och rymdvetenskap)
Monthly Notices of the Royal Astronomical Society (00358711 ). Vol. 359 (2005), 1, p. 73-78.
[Artikel, refereegranskad vetenskaplig]

We have investigated, in the 13CO(1-0) line, the region between the stars Cyg OB2 No. 5 and No, 12. The integrated intensity contour map reveals the existence of a condensation at 12 km s-1 (core C), north-west of Cyg OB2 No. 5, with a core-halo structure. The morphology and the derived physical parameters make it quite similar to core A, previously discovered towards Cyg OB2 No. 12. A second condensation at 7 km s -1, near Cyg OB2 No. 12, has been mapped in the same line (1-0) of 13CO. A summary of different observations, in all spectral regions, towards Cyg OB2 No. 5 and No. 12 is presented to provide the material for a further comprehensive discussion of this intricate and still intriguing region.

Denna post skapades 2010-01-26. Senast ändrad 2014-09-02.
CPL Pubid: 110960


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Institutioner (Chalmers)

Institutionen för radio- och rymdvetenskap (2005-2010)


Rymd- och flygteknik

Chalmers infrastruktur