2002MNRAS.337..495S

Query : 2002MNRAS.337..495S

2002MNRAS.337..495S - Mon. Not. R. Astron. Soc., 337, 495-498 (2002/December-1)

The discovery of clumpy structure in the diffuse gas towards Cyg OB2 No. 12.

SCAPPINI F., CASU S., CECCHI-PESTELLINI C. and OLBERG M.

Abstract (from CDS):

We have mapped the 13 CO (1-0) line in a region of sky towards the star Cyg OB2 No. 12. The observations rule out the possibility that the molecular material along the line of sight is distributed over a long path of very dilute gas. Instead, we present unambiguous evidence of well-defined kinematical structures, which might be assembled to form a cloud complex. The chemistry that leads to H+3appears decoupled from that responsible for the production of heavier species.

Abstract Copyright: RAS

Journal keyword(s): stars: individual: Cyg OB2 No. 12 - ISM: clouds - ISM: molecules

Nomenclature: Fig.2: [SCC2002b] Core A (Nos A-B).

Simbad objects: 4

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Number of rows : 4
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 BD+40 4220 s*b 20 32 22.4238071594 +41 18 18.942475904 11.32 10.61 9.185     O7Iafep 414 0
2 Schulte 12 s*b 20 32 40.9572199728 +41 14 29.279036940 16.1 14.45 11.702     B3-4Ia+ 453 0
3 [SCC2002b] Core B glb ~ ~           ~ 5 0
4 [SCC2002b] Core A MoC ~ ~           ~ 5 0

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