The largest H II regions in M101

Details The largest H II regions in M101 The largest H II regions in M101

Oct 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981apj...249...76b&link_type=abstract

Astrophysical Journal, Part 1, vol. 249, Oct. 1, 1981, p. 76-82. Research supported by the Royal Observatory, Koninklijke Neder

Astronomy and Astrophysics

Astrophysics

47

Chemical Evolution, Cosmic Dust, Galactic Evolution, H Ii Regions, Hydrogen Ions, Carbon Monoxide, Chemical Clouds, Chemical Composition, Cosmic Gases, Emission Spectra, Infrared Spectra, Luminous Intensity, Millimeter Waves, Molecular Clouds, O Stars, Ultraviolet Spectra

Scientific paper

Coordinated millimeter, infrared, and ultraviolet observations of the five brightest H II regions in M101 are presented. A CO complex has been found to be associated with NGC 5461 which is much more massive than any Milky Way counterpart. A narrow line width has been observed which suggests that the molecular complex may consist of numerous fragments with a volume filling fraction approximately 0.01. NGC 5461 also shows a 10 micron and 20 micron excess which is similar to that of galactic H II regions. The ultraviolet observations show that the 2200 A dust feature is greatly attenuated in all of the H II regions but least of all in NGC 5461. The near-infrared flux densities and B-gamma line strengths are consistent with the hypothesis that a significant fraction of the infrared emission is free-free.

Affiliated with

Also associated with

No associations

Rating

The largest H II regions in M101 does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with The largest H II regions in M101, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and The largest H II regions in M101 will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1468495