![Median stack images of P/2016 G1 obtained with the OSIRIS instrument of the 10.4m GTC through a Sloan r′ filter, at the indicated dates. North is up, East to the left. The directions opposite to Sun and the negative of the orbital velocity motion are show Median stack images of P/2016 G1 obtained with the OSIRIS instrument of the 10.4m GTC through a Sloan r′ filter, at the indicated dates. North is up, East to the left. The directions opposite to Sun and the negative of the orbital velocity motion are show](/sites/default/files/styles/crop_square_2_2_to_320px/public/images/news/resultados174_190.jpg?itok=rskZFQSI)
We present deep imaging observations of activated asteroid P/2016 G1 (PANSTARRS) using the 10.4m Gran Telescopio Canarias ( GTC) from 2016 late April to early June. Activated asteroids are objects in orbits typical of asteroids with unlike origin in the cometary reservoirs (the Oort Cloud or the trans-neptunian belt), that ejected dust by any mechanism: sublimation of volatiles (like comets do); collision with another asteroid or rotational disruption. The images of P/2016 G1 show a dust cometary-like coma and were analysed by comparing them with simulated images obtained using a computed
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