Fabry-perot Hα-interferometric observations of some HII regions. I. SH2-152 and SH2-153

Astronomy and Astrophysics – Astrophysics

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Scientific paper

H α-interferometric observations of the HII-regions Sh2-152 and Sh2-153 are carried out with a high resolution (1 pixel=2.13×2.13 arcsec). They confirm the results on the structure of those formations obtained earlier. Individual radial velocities determined in different points for each of these HII-regions show that the inner motions of ionized matter relative to the exciting stars are, in general, of expanding character. It gives ground to assume that in both these star forming regions the dissipation of matter takes place.

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