Observational analysis of the well--correlated diffuse bands: 6196 and 6614 Å

Abstract

We confirm, using spectra from seven observatories, that the diffuse bands 6196 and 6614 are very tightly correlated. However, their strength ratio is not constant as well as profile shapes. Apparently the two interstellar features do not react in unison to the varying physical conditions of different interstellar clouds.

5 pages, 5 figures, accepted for publication in the Monthly Notices of the Royal Astronomical Society, 2016

References in corpus (3)

• The BOES spectropolarimeter for Zeeman measurements of stellar magnetic fields
• Centrosymmetric molecules as possible carriers of diffuse interstellar bands
• The $\lambda$6614 diffuse interstellar absorption band: evidence for internal excitation of the carrier

Cited by in corpus (9)

• The ESO Diffuse Interstellar Bands Large Exploration Survey: EDIBLES I. Project description, survey sample and quality assessment
• The Behavior of Selected Diffuse Interstellar Bands with Molecular Fraction in Diffuse Atomic and Molecular Clouds
• Dark Dust and single-cloud sightlines in the ISM
• Diffuse interstellar bands in the HII region M17: Insights into their relation with the total-to-selective visual extinction $R_V$
• Diffuse bands 9577 and 9633 -- relations to other interstellar features
• Survey of very broad Diffuse Interstellar Bands
• The well correlated DIBs at $\lambda \lambda$ 6196, 6614 Å and their possible companions
• The Pristine Inner Galaxy Survey (PIGS) VI: Different vertical distributions between two DIBs at 442.8 nm and 862.1 nm
• Survey of Profile Parameters of the $6196\mathring{A}$ Diffuse Interstellar Band. From Uniform Profiles to Doppler Splitting and Blueshifts