The H II regions of NGC 6822. II - The luminosity function and size distribution

Details The H II regions of NGC 6822. II - The luminosity function and size distribution The H II regions of NGC 6822. II - The luminosity function and size distribution

Jan 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989pasp..101...32h&link_type=abstract

Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 101, Jan. 1989, p. 32-39.

Astronomy and Astrophysics

Astronomy

61

Galaxies, H Ii Regions, Local Group (Astronomy), Luminous Intensity, Size Distribution, Astronomical Photometry, Exponential Functions

Scientific paper

H-alpha CCD images of 145 H-II regions in NGC 6822 have been used to determine an H-alpha luminosity function and various diameter distributions. It is found that the bright end of the luminosity function can be fit to a power law and that the curve shows a peak at a flux of about 10 to the 36th ers/sec, with a shallow decrease in number for fainter H-II regions. The H-II region size distribution is fit by an exponential law, with a size scale of 33 pc.

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