Extended Data Fig. 2: Comparison of the g − r (panel (a)) and r − i (panel (b)) observed color evolution of ZTF SLRN-2020 (shown as squares and circles respectively) to a sample of red novae from the literature that have contemporaneous multi-band coverage during the outburst. | Nature

Extended Data Fig. 2: Comparison of the g − r (panel (a)) and r − i (panel (b)) observed color evolution of ZTF SLRN-2020 (shown as squares and circles respectively) to a sample of red novae from the literature that have contemporaneous multi-band coverage during the outburst.

From: An infrared transient from a star engulfing a planet

Extended Data Fig. 2: Comparison of the g − r (panel (a)) and r − i (panel (b)) observed color evolution of ZTF SLRN-2020 (shown as squares and circles respectively) to a sample of red novae from the literature that have contemporaneous multi-band coverage during the outburst.

The literature objects include some of the objects shown in Extended Data Fig. 1 in addition to AT 2020hat, AT 2020kog58 and AT 2018bwo59. In each panel, we show a black arrow indicating the estimated shift in the color evolution of ZTF SLRN-2020 accounting for the best estimated line-of-sight extinction. Error bars are shown at 1σ confidence.

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