AN INFRARED DIFFUSE CIRCUMSTELLAR BAND? THE UNUSUAL 1.5272<i>μ</i>m DIB IN THE RED SQUARE NEBULA
AN INFRARED DIFFUSE CIRCUMSTELLAR BAND? THE UNUSUAL 1.5272<i>μ</i>m DIB IN THE RED SQUARE NEBULA
The molecular carriers of the ubiquitous absorption features called the diffuse interstellar bands (DIBs) have eluded identification for many decades, in part because of the enormous parameter space spanned by the candidates and the limited set of empirical constraints afforded by observations in the diffuse interstellar medium. Detection of these …