Deuterium in comet C/1995 O1 (Hale-Bopp): detection of DCN.
Science
; 279(5357): 1707-10, 1998 Mar 13.
Article
em En
| MEDLINE
| ID: mdl-9497286
Deuterated hydrogen cyanide (DCN) was detected in a comet, C/1995 O1 (Hale-Bopp), with the use of the James Clerk Maxwell Telescope on Mauna Kea, Hawaii. The inferred deuterium/hydrogen (D/H) ratio in hydrogen cyanide (HCN) is (D/H)HCN = (2.3 +/- 0.4) x 10(-3). This ratio is higher than the D/H ratio found in cometary water and supports the interstellar origin of cometary ices. The observed values of D/H in water and HCN imply a kinetic temperature >/=30 +/- 10 K in the fragment of interstellar cloud that formed the solar system.
Palavras-chave
Buscar no Google
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Cianeto de Hidrogênio
/
Meteoroides
/
Deutério
Tipo de estudo:
Diagnostic_studies
Idioma:
En
Revista:
Science
Ano de publicação:
1998
Tipo de documento:
Article
País de afiliação:
Estados Unidos