What should humans do in a supernova?

In my story where thousands of humans are transported to the planet with dinosaurs that is 400 light years away, there are bound to be lots of warnings on the generation ship. Friendly aliens are transporting them. Nuclear fusion is what powers the ship. However the heat is confined to that relatively small area in the back of the ship. The speed of the ship is .5C(half light speed).

Most of the warnings, I know what the aliens would do. Change speed for asteroid belts, change path for stars and planets etc. But a supernova I have no clue. The aliens would need to know ahead of time if it is a type 1 or type 2 supernova. If it is a type 1 supernova, the other star or stars could be right in their path. But would any remnant of it have more gravity than the star thus diverting them from the star's path? For a type 2 supernova, they would need to know if a neutron star or black hole will form and act accordingly(because if a black hole forms, they might be right in the event horizon).

But the humans would need to do something different. Would they need to crouch down under something sturdy and be as close together as possible or what?

Edit:

The humans are not driving the ship, just being transported. The aliens are relevant in that they are the ones that would change course during supernovas.

As to what I am really asking. I am asking what the humans should do if possible during a supernova to survive it(since supernovas are super hot and super bright, even with cosmic ray protection the humans could still go blind or get extreme heatstroke and heat burns both of which are not wanted).

posted over 8 years ago

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