2012ApJ...750L..12C

Query : 2012ApJ...750L..12C

2012ApJ...750L..12C - Astrophys. J., 750, L12 (2012/May-1)

No ice hydrogenation: a solid pathway to NH₂ OH formation in space.

CONGIU E., FEDOSEEV G., IOPPOLO S., DULIEU F., CHAABOUNI H., BAOUCHE S., LEMAIRE J.L., LAFFON C., PARENT P., LAMBERTS T., CUPPEN H.M. and LINNARTZ H.

Abstract (from CDS):

Icy dust grains in space act as catalytic surfaces onto which complex molecules form. These molecules are synthesized through exothermic reactions from precursor radicals and, mostly, hydrogen atom additions. Among the resulting products are species of biological relevance, such as hydroxylamine–NH₂OH–a precursor molecule in the formation of amino acids. In this Letter, laboratory experiments are described that demonstrate NH₂ OH formation in interstellar ice analogs for astronomically relevant temperatures via successive hydrogenation reactions of solid nitric oxide (NO). Inclusion of the experimental results in an astrochemical gas-grain model proves the importance of a solid-state NO+H reaction channel as a starting point for prebiotic species in dark interstellar clouds and adds a new perspective to the way molecules of biological importance may form in space.

Abstract Copyright: ∼

Journal keyword(s): astrochemistry - ISM: atoms - ISM: molecules - methods: laboratory

Simbad objects: 1

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Number of rows : 1

N	Identifier	Otype	ICRS (J2000) RA	ICRS (J2000) DEC	Mag U	Mag B	Mag V	Mag R	Mag I	Sp type	#ref 1850 - 2026	#notes
1	TMC-1	MoC	04 41 45.9	+25 41 27						~	1872	0

Query : 2012ApJ...750L..12C

Basic data :

TMC-1 -- Molecular Cloud
Other object types:	`PoC (MLB,[MOH94])`, `MoC (TMC)`, `Cld (HCL)`
ICRS coord. (ep=J2000) :	`04 41 45.9 +25 41 27 [ ] D 1983ApJ...264..517M`
FK4 coord. (ep=B1950 eq=1950) :	`04 38 42.0 +25 35 45 [ ]`
Gal coord. (ep=J2000) :	`174.3852 -13.4312 [ ]`

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HCL 2 MLB 3-28 TMC-1 [MOH94] 6

References (1872 between 1850 and 2026) (Total 1872)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).

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