J/A+A/414/949 Interstellar bands and H2, CH, CO column densities (Weselak+ 2004)
On the relation between diffuse bands and column densities of
H2, CH and CO molecules.
Weselak T., Galazutdinov G.S., Musaev F.A., Krelowski J.
<Astron. Astrophys. 414, 949 (2004)>
=2004A&A...414..949W 2004A&A...414..949W
ADC_Keywords: Interstellar medium
Keywords: ISM: molecules
Description:
Mutual relations between column densities of H2, CH and CO molecules
as well as between the latter and strengths of the major 5780 and 5797
diffuse bands are presented and discussed.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table1.dat 51 38 List of targets
table2.dat 89 38 Compilation of data
refs.dat 132 17 References
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See also:
II/149 : Diffuse Interstellar Band Measurements (Snow+ 1977)
II/135 : Suppl. to Diffuse Interstellar Band Measurements (Guarinos 1988)
Byte-by-byte Description of file: table1.dat
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Bytes Format Units Label Explanations
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1- 6 I6 --- HD HD number
8- 15 A8 --- SpType MK Spectral and luminosity class
17- 21 F5.3 mag Vmag Visual magnitude
23- 28 F6.3 mag B-V Colour index after Simbad database
30- 34 F5.2 mag (B-V)0 Intrinsic colour
36 A1 --- r_(B-V)0 [fp] Source of intrinsic colour (1)
38- 41 F4.2 mag E(B-V) Calculated colour excess
43- 47 A5 --- Cloud ? Cloud type
49- 51 A3 --- Obs Observatory in which the spectrum was
acquired (2)
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Note (1): Source of intrinsic colour:
f: Flower, 1977A&A....54...31F 1977A&A....54...31F
p: Papaj et al., 1991MNRAS.252..403P 1991MNRAS.252..403P
Note (2): Observatories:
mcd: McDonald Observatory
SAO: Special Astrophysical Observatory
trl: Terskol
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Byte-by-byte Description of file: table2.dat
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Bytes Format Units Label Explanations
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1- 6 I6 --- HD HD number
8- 12 F5.2 10+20cm-2 NH2 Column density of molecular hydrogen
14 A1 --- r_NH2 [abc] Source of NH2
16- 20 F5.2 10+20cm-2 NHI Column density of atomic hydrogen
22 A1 --- r_NHI [abc] Source of NHI, in refs.dat file
24- 27 F4.2 --- fH2 Hydrogen molecular fraction
29- 33 F5.2 10+12cm-2 NCH ? Column density of CH molecule
35- 38 F4.2 10+12cm-2 e_NCH ? Error of NCH
40 A1 --- r_NCH [defg] Source of NCH, in refs.dat file
41- 42 A2 --- n_NCH [na ns] na: spectrum not available,
ns: structure not seen
44- 51 F8.2 10+12cm-2 NCO ? Column density of CO molecule
53 A1 --- r_NCO [h-r] Source of NCO, in refs.dat file
55- 58 F4.1 --- CD5780 Central depth of diffuse 5780 band
60- 62 F3.1 --- e_CD5780 Error of CD5780
64 A1 --- r_CD5780 [e] Source of CD5780, in refs.dat file
66- 69 F4.1 --- CD5797 Central depth of diffuse 5797 band
71- 73 F3.1 --- e_CD5797 Error of CD5797
75 A1 --- r_CD5797 [e] Source of CD5797, in refs.dat file
77- 80 F4.2 --- 5797/5780 Intensity ratio of 5797 and 5780 DIBs
82- 85 F4.2 --- e_5797/5780 Error of 5797/5780
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Byte-by-byte Description of file: refs.dat
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Bytes Format Units Label Explanations
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1 A1 --- Ref Reference code
3- 21 A19 --- BibCode BibCode
23- 47 A25 --- Aut Author's name
49-132 A84 --- Com Comments
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Acknowledgements: Tomasz Weselak
(End) Patricia Bauer [CDS] 07-Nov-2003