... thermal power law continuum and HIIregion-like galaxies with ionization of gas by a ... The dashed line separates regions of HII-type and AGN spectra, according to VO87 and ... In Fig. 4 b this object falls however within the HII-type region. ...
... tentetive identified ~ 450 as ultracompact HIIregions and ~45 as planetery nebulae ... The results confirm a scale height of only 30 pc for ultracompact HIIregions. ...
... is located at the edge of this giant HII-region, at a distance of 0.5 kpc from the ... of narrow H , hence the excitation of HIIregion is more or less similar to that ...
... right in Fig. 1) shows a dozen of compact HII-regions aligned along the major axis ... Four very compact HII-regions are seen in its central part as well as faint diffuse ...
... of the year) 237 number of supernovae observed in 239-241 number of HIIregions 243-244 reference for HIIregions 246-250 U-B ... 51. J.L.Sersic, Observatory, v. 79, 1959, pp.54-56, The HIIregions as distance indicators. ...
... survey of Downes et al. (1980) was used to remove HIIregions from the search list ... were determined to be compact HIIregions or background extragalactic radio sources ...