2016ApJ...832..213H

Query : 2016ApJ...832..213H

2016ApJ...832..213H - Astrophys. J., 832, 213-213 (2016/December-1)

The 6 µm feature as a tracer of aliphatic components of interstellar carbonaceous grains.

HSIA C.-H., SADJADI S., ZHANG Y. and KWOK S.

Abstract (from CDS):

An unidentified infrared emission (UIE) feature at 6.0 µm is detected in a number of astronomical sources showing the UIE bands. In contrast to the previous suggestion that this band is due to C=O vibrational modes, we suggest that the 6.0 µm feature arises from olefinic double-bond functional groups. These groups are likely to be attached to aromatic rings, which are responsible for the major UIE bands. The possibility that the formation of these functional groups is related to the hydrogenation process is discussed.

Abstract Copyright: © 2016. The American Astronomical Society. All rights reserved.

Journal keyword(s): circumstellar matter - H ii regions - infrared: ISM - ISM: lines and bands - ISM: molecules - stars: pre-main sequence - stars: pre-main sequence

Simbad objects: 21

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Number of rows : 21
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 NGC 253 SyG 00 47 33.134 -25 17 19.68   8.03   6.94 8.1 ~ 3335 2
2 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 17428 0
3 SV* HV 2671 RC* 05 33 48.9473907384 -70 13 23.504301372     15.758   15.391 ~ 32 1
4 HD 44179 pA* 06 19 58.2185496 -10 38 14.706068 9.51 9.33 9.02     B9Ib/II 765 0
5 HD 233517 * 08 22 46.7147840400 +53 04 49.230337440   10.85 9.71     K2 90 0
6 M 82 AGN 09 55 52.430 +69 40 46.93 9.61 9.30 8.41     ~ 5858 6
7 HD 89353 pA* 10 18 07.5899342712 -28 59 31.195183524   5.76 5.53     B9.5Ib/II 307 0
8 V* DY Cen RC* 13 25 34.0847063328 -54 14 43.129581792     12.00     C-Hd/B5-6Ie 96 0
9 IRAS 13313-5838 pA* 13 34 37.4129893008 -58 53 32.360159508     13.15     K5I 21 0
10 NAME Circinus Galaxy Sy2 14 13 09.906 -65 20 20.47   10.89 9.84 10.6 10.0 ~ 1215 2
11 V* V854 Cen RC* 14 34 49.4024471640 -39 33 19.201288284   7.13 11.69     Ce 208 0
12 IRAS 14429-4539 pA* 14 46 13.7806495872 -45 52 05.292328188           G0Ie 31 0
13 WL 16 Y*O 16 27 02.33520 -24 37 27.2316           A0-F3 157 0
14 CPD-56 8032 PN 17 09 00.9291677740 -56 54 47.868280757 11.24 11.48 11.04 11.067   [WC11] 267 0
15 IRAS 17347-3139 PN 17 38 00.61 -31 40 55.2           ~ 59 1
16 RAFGL 2046 HII 18 00 32.1 -24 04 03           ~ 361 0
17 EM* MWC 922 Be* 18 21 16.0519243728 -13 01 25.511760192     13.80 13.65   B[e] 92 0
18 V* TY CrA Ae* 19 01 40.8284458320 -36 52 33.816176040 10.03 9.92 9.39     B9e 285 0
19 V* V859 Aql LP* 19 31 01.2268057224 +05 23 53.497744980   11.64 10.39     ~ 24 0
20 NAME SH 2-87 IRS 1 HII 19 46 20.130 +24 35 29.43           ~ 17 0
21 [D75b] Em* 21-021 PN 21 29 58.4711786760 +51 04 00.323924520   15.66 14.20 13.89   O7(f)/[WC11] 244 0

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