The Ammount of Interstellar Carbon Locked in Solid Hydrogenated Amorphous Carbon

Details The Ammount of Interstellar Carbon Locked in Solid Hydrogenated Amorphous Carbon The Ammount of Interstellar Carbon Locked in Solid Hydrogenated Amorphous Carbon

1999-08-04

arxiv.org/abs/astro-ph/9908035v1

Astronomy and Astrophysics

Astrophysics

This paper is 14 pages long with 5 figures and will appear in the 1 December 1999 issue of ApJ

Scientific paper

10.1086/308016

We review the literature and present new experimental data to determine the amount of carbon likely to be locked in form of solid hydrogenated amorphous carbon (HAC) grains. We conclude on the basis of a thorough analysis of the intrinsic strength of the C-H stretching band at 3.4 micron that between 10 and 80 ppM H of carbon is in the form of HAC grains. We show that it is necessary to know the level of hydrogenation (H/C) of the interstellar HAC to determine more precisely the amount of carbon it ties up. We present optical constants, photoluminescence spectroscopy, and IR absorption spectroscopy for a particular HAC sample that is shown to have a 3.4 micron absorption feature that is quantatively consistent with that observed in the diffuse interstellar medium.

Affiliated with

Also associated with

No associations

Rating

The Ammount of Interstellar Carbon Locked in Solid Hydrogenated Amorphous Carbon 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 Ammount of Interstellar Carbon Locked in Solid Hydrogenated Amorphous Carbon, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and The Ammount of Interstellar Carbon Locked in Solid Hydrogenated Amorphous Carbon will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-374257