2002ApJ...567L.145M


C.D.S. - SIMBAD4 rel 1.7 - 2020.06.02CEST11:23:45

2002ApJ...567L.145M - Astrophys. J., 567, L145-L148 (2002/March-2)

A critical examination of the l-C3H2 spectrum and the diffuse interstellar bands.

McCALL B.J., OKA T., THORBURN J., HOBBS L.M. and YORK D.G.

Abstract (from CDS):

It has recently been suggested by J. P. Maier's group that the origin band and three vibronic bands of the linear propadienylidene anion l-C3H2 match the diffuse interstellar bands (DIBs). We have examined the wavelength ranges in question using data from our ongoing DIB survey at the Apache Point Observatory. We find that the strongest DIB (λ6993) is not an acceptable wavelength match to the origin band of l-C3H2, based on high-resolution laboratory data. The nondetection of interstellar features corresponding to the K=2⟵1 and K=0⟵1 branches of para l-C3H2 also argues against the assignment of λ6993 to the K=1⟵0 branch of ortho l-C3H2. Two of the three DIBs that have been attributed to vibronic bands do not correlate in intensity with λ6993, providing further evidence against the assignment of this set of DIBs to l-C3H2.

Abstract Copyright:

Journal keyword(s): ISM: Molecules - Line: Identification - Methods: Laboratory - Molecular Data

Status at CDS:  

Simbad objects: 14

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Number of rows : 14

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2020
#notes
1 HD 20041 *iN 03 15 47.9704259501 +57 08 26.243209896 6.61 6.52 5.79     A0Ia 126 1
2 * chi02 Ori s*b 06 03 55.1848402263 +20 08 18.441609669 4.24 4.91 4.63 4.32 4.10 B2Ia 428 0
3 HD 50064 Em* 06 51 34.1060183287 +00 17 50.465846394 8.75 9.06 8.30 7.51 6.88 B6Ie 82 1
4 HD 147889 pr* 16 25 24.3162969787 -24 27 56.570239619 8.56 8.73 7.90     B2III/IV 432 1
5 * zet Oph Be* 16 37 09.5390545 -10 34 01.529471 1.73 2.58 2.56 2.46 2.50 O9.2IVnn 1722 2
6 HD 167971 s*b 18 18 05.8954978252 -12 14 33.324312346 7.89 8.27 7.50 6.68 6.279 O8Iaf(n)+O4/5 270 0
7 HD 183143 s*b 19 27 26.5636908636 +18 17 45.191198361 8.25 8.08 6.86 5.74 4.79 B6Ia 407 0
8 HD 192639 s*b 20 14 30.4275040181 +37 21 13.815126140 6.83 7.46 7.11     O7.5Iabf 268 0
9 HD 229059 s*b 20 21 15.3643765026 +37 24 31.103826768 10.66 10.23 8.70     B2Iabe 89 0
10 BD+40 4220 EB* 20 32 22.4241357648 +41 18 18.942382590 11.32 10.79 9.185     O6.5-7f+O5.5-6f 367 0
11 Schulte 12 s*b 20 32 40.9574572449 +41 14 29.276333992 16.1 14.45 11.702     B3-4Ia+ 355 0
12 HD 206267 SB* 21 38 57.6182747705 +57 29 20.557311013 5.09 5.83 5.62   5.56 O6.0V((f))+O9:V 450 0
13 * lam Cep s*b 22 11 30.5750839949 +59 24 52.147736074 4.55 5.29 5.05 4.77 4.62 O6.5I(n)fp 646 1
14 BD+63 1964 * 23 17 21.5627349678 +64 07 16.166348285 8.79 9.05 8.5     B0 75 0

    Equat.    Gal    SGal    Ecl

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2020.06.02-11:23:46

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