The dust content of two carbon-rich planetary nebulae

Astronomy and Astrophysics – Astronomy

Scientific paper

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

37

Carbon, Cosmic Dust, Interstellar Matter, Planetary Nebulae, Astronomical Models, Emission Spectra, Infrared Spectra, Interstellar Gas, Photoionization, Temperature Distribution

Scientific paper

Detailed models of the gas and dust emission are presented for two carbon-rich planetary nebulae. Dust-to-gas mass ratios 0.0006 and 0.0003 are derived for IC 418 and NGC 7662, respectively. Models using graphite and amorphous carbon grains were tried, neither providing a totally satisfactory fit. Silicon carbide was also included in the IC 418 models and a dust-to-gas ratio of 0.00006 was deduced for this component. The effects on these conclusions of dust in a neutral region and giant halo surrounding IC 418 and NGC 7662, respectively, were found to be fairly negligible.

No associations

LandOfFree

Say what you really think

Search LandOfFree.com for scientists and scientific papers. Rate them and share your experience with other people.

Rating

The dust content of two carbon-rich planetary nebulae 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 dust content of two carbon-rich planetary nebulae, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and The dust content of two carbon-rich planetary nebulae will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFWR-SCP-O-783069

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.