If you have additional context for "-1- sek 114-2-" (such as a specific author's name or object type), please refine the search. For definitive answers, search the NASA/SAO ADS (Astrophysics Data System) using the parameters year:1987 journal:"ApJ" and search within tables for the value "-1".
If we abandon astronomy entirely and treat the string as a , the solution is immediate and satisfying. -1- sek 114-2- apj 1987
“–1–” and “–2–” representing two components of a source, with “sek 114” meaning an offset of 114 seconds of arc (1.9 arcminutes). If you have additional context for "-1- sek