This is the 3942nd most frequent Catalan word.
comparegut
"Comparegut" means "appeared" or "shown up."
In this context, 'comparegut' is the past participle of 'comparèixer', meaning 'to appear' formally.
Ell havia comparegut davant el jutge com a testimoni.
He had appeared before the judge as a witness.
Here, 'comparegut' describes the object 'document' appearing within a system or context.
El document ha comparegut en el sistema sense previ avís.
The document has appeared in the system without prior notice.
The usage of 'comparegut' implies the sudden visibility or presence of an astronomical object in this sentence.