Absorption Features of Ices Toward NGC7538 IRS1

Leto, G.; Strazzulla, G.; Nisini, B.; Saraceno, P.; Palumbo, M. E.

Italy

Abstract

In this paper we present a comparison of the observed absorption band at about 660 cm-1 (15.1 µm) toward NGC7538 IRS1 attributed to the bending mode of solid CO2 with laboratory spectra of ion irradiated mixtures.

1998 Astrophysics and Space Science
ISO 0