The rise and decline of a transient obscuration event in a moderately distant type-I quasartranslating…

arXiv:2609.19910v1 Announce Type: new Abstract: Outflows of ionised material, often dubbed warm absorbers (WAs), are common in nearby Seyferts but sparse in distant and more energetic quasars (QSOs). We present multi-epoch X-ray and optical observations of the serendipitously…