2010MNRAS.401.1308W


Query : 2010MNRAS.401.1308W

2010MNRAS.401.1308W - Mon. Not. R. Astron. Soc., 401, 1308-1314 (2010/January-2)

Doppler splitting in diffuse interstellar bands.

WESELAK T., GALAZUTDINOV G.A., HAN I. and KRELOWSKI J.

Abstract (from CDS):

We demonstrate evident Doppler splitting in the profiles of many narrow diffuse interstellar bands (DIBs). Their components are compared with those of atomic and molecular lines of interstellar origin. It is shown that it is likely that the species that shares both wavelength shifts and strength ratios of the Doppler components seen in the DIB profiles is the CH radical. Because of this profile resemblance, it is recommended that CH lines can be used to shift spectra to the rest velocity frame for interstellar features, especially to determine the DIB rest wavelengths on the basis of the CH line at 4300.3132 Å in the spectrum of HD147889. Our results strongly support a molecular origin of diffuse bands.

Abstract Copyright: © 2009 The Authors. Journal compilation © 2009 RAS

Journal keyword(s): ISM: molecules

Simbad objects: 12

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Number of rows : 12
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2021
#notes
1 HD 13256 s*b 02 11 43.9098048757 +60 42 44.499737037 9.8 9.69 8.68     B1Ia 62 0
2 * alf Vir bC* 13 25 11.57937 -11 09 40.7501 -0.20 0.74 0.97 1.06 1.30 B1V 833 2
3 * eta UMa PM* 13 47 32.43776 +49 18 47.7602 0.99 1.67 1.86 1.98 2.16 B3V 586 0
4 HD 147889 Y*O 16 25 24.3162969787 -24 27 56.570239619 8.56 8.73 7.90     B2III/IV 447 1
5 HD 168112 SB* 18 18 40.8671023267 -12 06 23.366098112 8.81 9.21 8.52 9.24   O5III(f) 138 0
6 HD 183143 s*b 19 27 26.5636908636 +18 17 45.191198361 8.25 8.08 6.86 5.74 4.79 B6Ia 416 0
7 HD 204827 SB* 21 28 57.7601719555 +58 44 23.223287944 8.63 8.74 7.94 7.25 6.76 O9.5IV 316 0
8 * alf Peg PM* 23 04 45.65345 +15 12 18.9617 2.38 2.44 2.48 2.47 2.50 B9III 346 0
9 HD 219287 Em* 23 14 03.5236393314 +59 22 29.008468977 10.12 10.30 9.23 8.29 7.57 B0 50 0
10 BD+63 1964 * 23 17 21.5627349678 +64 07 16.166348285 8.79 9.05 8.5     B0 76 0
11 BD+58 2580 * 23 21 10.4153703020 +58 57 02.222157466 10.63 10.90 10.1     B0 14 0
12 BD+59 2735 * 23 30 04.9572099167 +59 50 49.641979045 11.01 10.89 9.88     B0Ib 22 0

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2021.08.04-15:31:19

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