DISTRIBUTION OF NEUTRAL HYDROGEN IN THE REGION OF THE CYG OB1, OB2, AND OB3 ASSOCIATIONS FROM HIGH-ANGULAR-RESOLUTION OBSERVATIONS - LARGE-SCALE STRUCTURE
Iv. Gosachinskii et Ta. Lozinskaya, DISTRIBUTION OF NEUTRAL HYDROGEN IN THE REGION OF THE CYG OB1, OB2, AND OB3 ASSOCIATIONS FROM HIGH-ANGULAR-RESOLUTION OBSERVATIONS - LARGE-SCALE STRUCTURE, Astronomy reports, 41(2), 1997, pp. 174-180
HI observations with the RATAN-600 radio telescope have confirmed the
presence of a ring structure of neutral hydrogen in the region of Cyg
OB 1, at least at positive velocities, and revealed no traces of radia
l gas motions in this association. In the region of the radio source C
ygnus X and the Cyg OB2 association, the HI distribution has been foun
d to be related to the huge shell previously detected by H-alpha filam
ents and to the distribution of ionized gas as derived from recombinat
ion lines.