Astronomy and Astrophysics – Astrophysics
Scientific paper
May 1996
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996a%26a...309..109k&link_type=abstract
Astronomy and Astrophysics, v.309, p.109-115
Astronomy and Astrophysics
Astrophysics
8
Ism: Atoms, Ism: Structure, Globular Clusters: Individual: M 10, Solar Neighbourhood
Scientific paper
Observations are presented of high resolution interstellar Na D and K I (λ7699 A) line profiles towards 3 stars in the globular cluster M 10 and 2 field stars within 5deg of the cluster. The gas which is observed towards all the programme stars is dominated by a strong component at a velocity =~-0.7km/s; the bulk of this gas is shown to lie at a distance <~360 pc. Comparison is made with gas properties for adjacent high-latitude molecular clouds (Penprase 1993). The low-velocity gas apparently extends to distances well beyond the molecular clouds in this direction; there is, however, no evidence for additional gas components in the region between the nearby gas and the distant cluster. These observations extend our survey of the large-scale structure of the nearby gas in the general direction l=~10+/-5deg further into the northern Galactic hemisphere and we review the gas column density and velocity structure over the latitude range -25deg to +25deg.
Bates Brandon
Kemp Simon N.
Kennedy Dallas C.
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