Extended correlations between diffuse interstellar bands

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Volume 690 (October 2024)

A&A, 690 (2024) A275

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Table D.3

Possible vibronic DIBs associated with major DIBs, λ5797 (ζ) and λ6196 (ζσ).

DIB^a	DIBv^b	σ^c	$σ_{th}^{c}$ $\[\sigma_{\text {th }}^c\]$	$q_{D I B}^{d}$ $\[\mathrm{q}_{D I B}^d\]$	EW^e	FW^f	$R_{21}^{g}$ $\[\mathrm{R}_{21}^g\]$	T^h
Å	Å	cm⁻¹	cm⁻¹		mÅ	Å
6196	6108^l	232	x	0.96	14	0.5	0.57	ζσ
6196	6113^l	219	x	0.94	33	0.7	0.79

5797	5766^j	93	x	0.89^j	17	0.8	1.4	ζ
5797	5711ⁱ	260	x	0.93ⁱ	36	1.2		ζ
5797	5545	784	780^k	0.97	39	0.8	0.9	ζ

a Main DIB.

b Possible vibronic DIB.

c Vibronic shift.

d Regular Pearson correlation coefficient of the possible vibronic DIB^b with the main DIB.

e Equivalent width in the sight line of HD 183143.

f APO DIB width (FWHM).

g Ratio of equivalent widths in HD 204827 to HD 183143, measured by APO.

h DIB family type of DIBv, from Fan et al. (2022). Transition DIBs between the ζ and σ families are denoted ζσ.

i A high correlation coefficient is obtained only when the APO blended DIBs, λ5710 + λ5711, are merged.

j The profiles of the main DIB, λ5797, and the possible vibronic DIB, λ5766, are reported as highly correlated by Ebenbichler et al. (2024).

k 3×260 cm⁻¹.

l λ6108 and λ6113 might also be part of the vibronic system of λ6613 (Table D.4).

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