dimanche 3 novembre 2019

V442 And ouburst - another update

Almost a month after outburst discovery, here is a graph showing the evolution of the emission ine using my own spectra but also several from BeSS database thanks to all observers:


Here is a 3D version with color specrogram showing th ~2.6 days period and the emission evolution:



Substracting the first spectrum, this similar graph focus on the emission only:





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