If you saw this in a bibliography or a list of files, look for a nearby DOI (Digital Object Identifier) or an author's name.
often stands for Calcium or a specific Calcium-index in stellar spectroscopy. LS Ca 115 IraA 1 rar
Based on the structure of the query, it is possible this string is a specific or a OCR (Optical Character Recognition) artifact from a digitized archive rather than a formal academic title. 🔍 Potential Interpretations If you saw this in a bibliography or
Could you provide more on where you encountered this string or what the paper is supposed to be about? LS Ca 115 IraA 1 rar
The specific string does not appear to correspond to a widely known scientific paper or a standard astronomical or biological catalog designation.