Extended Data Fig. 4: VLT/X-shooter spectrum of AT2022cmc, obtained at ≈ 15 days after discovery.
From: The Birth of a Relativistic Jet Following the Disruption of a Star by a Cosmological Black Hole
The featureless blue continuum can be modelled with a blackbody with T ≈ 30,000 K (solid blue line), consistent with the optical bump in the broad-band SED from day 25-27 (Fig. 3). The inset shows a zoom in on the region with CaII absorption lines identified by (7).
