This is the 2847th most frequent Spanish word.
publicada
"Publicada" means "published" in English.
In this sentence, 'publicada' is used as a past participle of the verb 'publicar' and describes the action of something having been made public, typically through publishing.
La novela fue publicada el año pasado.
The novel was published last year.
In this context, 'publicada' conveys that the photograph was distributed or made available for the public in a publication like a newspaper.
Una fotografía publicada en el periódico mostró el paisaje.
A photograph published in the newspaper showcased the landscape.
Here, 'publicada' is used to describe research that has been formally issued or released for public access.