A Search For Organic Molecules in Intermediate Redshift DLAs

Details A Search For Organic Molecules in Intermediate Redshift DLAs A Search For Organic Molecules in Intermediate Redshift DLAs

2005-05-10

arxiv.org/abs/astro-ph/0505212v2

Astronomy and Astrophysics

Astrophysics

3 pages; 2 figures; presented at IAU 199; Probing Galaxies through Quasar Absorption Lines

Scientific paper

10.1017/S174392130500298X

There has been a renewed interest in searching for diffuse interstellar bands (DIBs) due to their probable connection to organic molecules and, thus, their possible link to life in the Universe. Our group is undertaking an extensive search for DIBs in DLAs via QSO absorption-line systems. Six of our DLA targets are presented here. Our equivalent width (EW) limits for the 5780 DIB line strongly suggests that DIB abundance is below the Milky Way expected value or that metallicity plays a large role in DIB strengths.

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