2014A&A...566L...5B

Query : 2014A&A...566L...5B

2014A&A...566L...5B - Astronomy and Astrophysics, volume 566, L5-5 (2014/6-1)

Complex organic molecules in comets C/2012 F6 (Lemmon) and C/2013 R1 (Lovejoy): detection of ethylene glycol and formamide.

BIVER N., BOCKELEE-MORVAN D., DEBOUT V., CROVISIER J., BOISSIER J., LIS D.C., DELLO RUSSO N., MORENO R., COLOM P., PAUBERT G., VERVACK R. and WEAVER H.A.

Abstract (from CDS):

A spectral survey in the 1mm wavelength range was undertaken in the long-period comets C/2012 F6 (Lemmon) and C/2013 R1 (Lovejoy) using the 30m telescope of the Institut de radioastronomie millimetrique (IRAM) in April and November-December 2013. We report the detection of ethylene glycol (CH2OH)2 (aGg' conformer) and formamide (NH2CHO) in the two comets. The abundances relative to water of ethylene glycol and formamide are 0.2-0.3% and 0.02% in the two comets, similar to the values measured in comet C/1995 O1 (Hale-Bopp). We also report the detection of HCOOH and CH3CHO in comet C/2013 R1 (Lovejoy), and a search for other complex species (methyl formate, glycolaldehyde).

Abstract Copyright: ∼

Journal keyword(s): astrobiology - astrochemistry - comets: individual: glutag{Viz.comet "C/2012 F6"|C/2012 F6 (Lemmon)} - comets: individual: glutag{Viz.comet "C/2013 R1"|C/2013 R1 (Lovejoy)} - radio lines: planetary systems - submillimeter: planetary systems

VizieR on-line data: <Available at CDS (J/A+A/566/L5): list.dat sp/*>

Simbad objects: 6

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Number of rows : 6
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 NAME W 3 OH HII 02 27 04.1 +61 52 22           ~ 1026 2
2 [JCC87] IRAS 2A Y*O 03 28 55.55 +31 14 36.7           ~ 459 3
3 IRC +10216 C* 09 47 57.40632 +13 16 43.5648           C9,5e 2343 0
4 IRAS 16293-2422 cor 16 32 22.56 -24 28 31.8           ~ 1252 1
5 NAME Sgr B2 (North) Rad 17 47 20.2 -28 22 21           ~ 673 1
6 [WBN74] W 51 IRS 2 PCG 19 23 39.93 +14 31 09.4           ~ 292 0

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