Other
Scientific paper
Nov 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002esasp.500..779w&link_type=abstract
In: Proceedings of Asteroids, Comets, Meteors - ACM 2002. International Conference, 29 July - 2 August 2002, Berlin, Germany. Ed
Other
2
Comets: Molecules, Solar Nebula
Scientific paper
The determination of spin temperature by using the ortho-to-para ratio of molecules is a powerful tool to explore the origin of comets. While the determination of the ortho-to-para ratio of the water in comets is difficult due to the interference of the telluric water vapor, the recent application for the ammonia is to open another possibility to collect many samples since the NH2, which is the product from the ammonia in the coma, is easily observed as emission bands in the optical wavelength. Assuming the spin temperature of these molecules is related to the formation or condensation temperature of comets, we may be able to explore the birth place of each comet within the solar nebula because the temperature depends on the heliocentric distance. In other words, once the heliocentric distance of the birth place of a certain comet is estimated, then the chemical components of the comet may be used as fossils indicating chemical circumstance of the solar nebula. We try to review the present status of the spin temperature of comets derived so far together with the discussion on the possibilities mentioned above.
Kawakita Hideyo
Watanabe Jun'ichi
No associations
LandOfFree
Comets as fossils for exploring the solar nebula - implication from spin temperature of cometary molecules 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 Comets as fossils for exploring the solar nebula - implication from spin temperature of cometary molecules, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Comets as fossils for exploring the solar nebula - implication from spin temperature of cometary molecules will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-738693