1996A&A...313..649J

Query : 1996A&A...313..649J

1996A&A...313..649J - Astronomy and Astrophysics, volume 313649-656 (1996/9-2)

Diffuse interstellar bands: resolved rotational band structure at 5850A.

JENNISKENS P., PORCEDDU I., BENVENUTI P. and DESERT F.-X.

Abstract (from CDS):

The only candidate of what may be a resolved rotational vibrational band in the DIB Survey of Jenniskens & Desert (1994), the triplet of bands at 5844, 5850 and 5852 A, is examined in detail in order to establish the nature of these DIBs. We find that superposed on the broad λ5844 are four weak features, reminiscent of substructure found on top of the broad λ5778. The relative band strength of DIBs λ5844 and λ5850 correlates with the rotational temperature in the J=0 and J=1 levels of molecular hydrogen. However, we do not find variations in band shape that are consistent with substructure of a resolved rotational band profile. Instead, the narrow λ5850 is found to have a shoulder on the red and blue side of the main band, which can imply that this band itself is an unresolved rovib band with P, Q and R branches.

Abstract Copyright: ∼

Journal keyword(s): interstellar medium: molecules - molecular processes

Simbad objects: 31

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Number of rows : 31
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 * kap Cas s*b 00 32 59.9918836206 +62 55 54.413126128 3.50 4.30 4.16 4.02 3.96 BC0.7Ia 474 0
2 HD 15558 Y*O 02 32 42.5366901168 +61 27 21.572901360 7.82 8.37 7.87 7.34 6.94 O4.5III(f) 324 0
3 * o Per * 03 42 22.6459308614 +33 57 54.093701142 4.13 4.912 4.972     B0.5V 315 0
4 HD 23060 * 03 43 24.0091284000 +34 06 58.498706844 7.02 7.59 7.48     B2Vp 87 0
5 * omi Per SB* 03 44 19.1337687984 +32 17 17.687367960 3.13 3.91 3.91 3.71 3.71 B1III 628 0
6 HD 281159 Y*O 03 44 34.1873929 +32 09 46.137563 9.19 9.21 8.53 8.85 7.850 B5V 234 0
7 * zet Per s*b 03 54 07.9224751 +31 53 01.081262 2.19 2.97 2.85 2.71 2.62 B1Ib 881 0
8 * alf Cam s*b 04 54 03.0113886719 +66 20 33.633625509 3.47 4.34 4.29 4.18 4.18 O9Ia 675 1
9 * bet Ori s*b 05 14 32.27210 -08 12 05.8981 -0.56 0.10 0.13 0.13 0.15 B8Ia 786 0
10 * gam Ori V* 05 25 07.86325 +06 20 58.9318 0.54 1.42 1.64 1.73 1.95 B2III 542 1
11 HD 36879 * 05 35 40.5264730272 +21 24 11.719601856 6.97 7.69 7.58     O7V(n)((f))z 157 0
12 HD 37367 * 05 39 18.3135535104 +29 12 54.788852916 5.6 6.116 5.984     B2IV-V 141 0
13 * 15 Mon Be* 06 40 58.65963 +09 53 44.7229 3.360 4.45 4.68   4.88 O7V+B1.5/2V 823 0
14 * eta UMa PM* 13 47 32.43776 +49 18 47.7602 0.99 1.67 1.86 1.98 2.16 B3V 630 0
15 HD 148379 s*b 16 29 42.3277745448 -46 14 35.630932596 5.51 5.95 5.37 4.85 4.39 B2Iab 191 0
16 * zet Oph Be* 16 37 09.5400587698 -10 34 01.509742704 1.73 2.58 2.56 2.46 2.50 O9.2IVnn 1908 0
17 * zet01 Sco s*b 16 53 59.7271314888 -42 21 43.307334468 4.80 5.31 4.79 4.32 3.86 B1.5Ia+ 390 0
18 HD 152234 s*b 16 54 01.8373785611 -41 48 22.987399147 4.92 5.64 5.45     B0.5Ia 201 0
19 HD 164402 s*b 18 01 54.3809958600 -22 46 49.059228432 4.88 5.77 5.77 5.74 5.69 B0Ib 184 0
20 * tet Ara s*b 18 06 37.8681946272 -50 05 29.327579099 2.73 3.58 3.66     B0.5Iab 201 0
21 * 15 Sgr s*b 18 15 12.9063291264 -20 43 41.767600368 4.64 5.42 5.37 5.27 5.19 O9.7Iab 268 0
22 HD 169454 s*b 18 25 15.1937863728 -13 58 42.309359544 7.39 7.61 6.71 5.82 5.13 B1Ia+ 359 1
23 HD 183143 s*b 19 27 26.5636061496 +18 17 45.193019136 8.25 8.08 6.86 5.74 4.79 B7Ia+ 464 0
24 HD 199579 Y*O 20 56 34.7779063080 +44 55 29.000891928 5.16 6.01 5.96     O6.5V((f))z 375 0
25 * bet Cep bC* 21 28 39.5968513 +70 33 38.574681 2.05 3.01 3.23 3.33 3.55 B0.5IIIs 756 0
26 * 9 Cep s*b 21 37 55.2241394424 +62 04 54.990376788 4.49 5.03 4.73 4.42 4.24 B2Ib 315 0
27 HD 239729 Y*O 21 39 27.4057254792 +57 29 00.810299364 8.17 8.71 8.35   7.96 B0V 82 0
28 * lam Cep s*b 22 11 30.5765111040 +59 24 52.154264880 4.55 5.29 5.05 4.77 4.62 O6.5I(n)fp 705 1
29 * 10 Lac ** 22 39 15.6786372 +39 03 00.971152 3.650 4.670 4.880 4.98 5.19 O9V 790 0
30 HD 216532 V* 22 52 30.5558211936 +62 26 25.947105900 8.06 8.46 8.0     O8.5V(n) 149 0
31 HD 216898 Pu* 22 55 42.4584233736 +62 18 22.821300252 8.10 8.58 8.04     O9V 161 0

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