Expanding shells in the galaxy HoII: Comparison of numerical simulation with observational data

Details Expanding shells in the galaxy HoII: Comparison of numerical simulation with observational data Expanding shells in the galaxy HoII: Comparison of numerical simulation with observational data

Sep 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995arep...39..587m&link_type=abstract

Astronomy Reports, Volume 39, Issue 5, September 1995, pp.587-593

Astronomy and Astrophysics

Astronomy

5

Scientific paper

Numerical simulation of the evolution of expanding HI shells in the irregular dwarf galaxy HoII, which is a member of the M81 group, were conducted. The results are compared with the HI distribution obtained with the VLA. Inconsistencies between the expected and observed directions of elongation of many shells is connected with the effect of local inhomogeneities in the interstellar medium and with interaction between the shells. A simple method allowing discrimination between the two possible orientations of the angular-momentum vector for the galaxy rotation is suggested.

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