Fluorine-Rich Planet (Probable?)

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Fluorine-Rich Planet (Probable?)

Post by marasama on 20th December 2008, 1:35 am

Is Fluorine-rich planets, probable?

So, Fluorine is not produced enough in the universe, based on observations of the visible universe.
So, the next bet is to find a place where fluorine is produced in over solar abundance.

Locations:
1a) Wolf-Rayet stars can shed large amounts of their atmosphere. Fast enough that fluorine escapes before it is annihilated.
Probably unlikely to orbit a WR star due to the strong solar winds.
1b) A secondary low/intermediate-mass star orbiting the WR primary. The excess materials shedded (including fluorine) gathers around the secondary to form a disk and eventual planet formation.
This idea is based on Mira B capturing Mira A's shedded materials. Source
2) Areas where post Supernova Type II exist, has over abundance of fluorine. The left over materials are accreated around a star to add materials to its protoplanetary disk.
3) Cool Extreme Helium Giant stars produce fluorine in excess amount.
Probably unlikely, since of the fluorine will moslty be locked in the star.
4a) Planet formation took place around a white dwarf, whose progenitor was an Post-AGB Extreme Helium Giant star.
4b) Planet formation took place and mixed with the Post-AGB Extreme Helium Giant star's planetary nebula.

Opinions on the matter?

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Re: Fluorine-Rich Planet (Probable?)

Post by Darkness nova on 22nd December 2008, 4:14 pm

Hmmmm.

I'd say it would really depend on how MUCH fluorine the stars give off.


1b: the binary wouldn't even be likely because if I'm not mistaken wolf rayet stars go supernova no?

Wouldn't THAT blow away all the fluorine?

As for supernovae I'd think that the explosion would produce alot more than just fluorine. Things like silicon, sodium, argon, sulfur, gold, silver, ect ect. TBH I'm unsure of what a supernovae would produce as far as hevier elements or elements in general.

As for 4a and b I have nooooo idea.

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Re: Fluorine-Rich Planet (Probable?)

Post by Sirius_Alpha on 22nd December 2008, 7:03 pm

If I recall correctly, supernovae produce everything stable. (i.e. everything up to Uranium).

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Re: Fluorine-Rich Planet (Probable?)

Post by marasama on 26th December 2008, 8:46 pm

I read a paper that (sorry no link), that Helium Giant's planetary nebulae are rich in Fluorine. Or at least, it is above solar abundance. Can't remember exactly.

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