greywolf42 wrote:
"greywolf42" <mingstb@marssim-ss.com> wrote in message news:...
"Joseph Lazio" <jlazio@adams.patriot.net> wrote in message
news:llvf64ypn9.fsf@adams.patriot.net...
{snip to error correction}
Can reliable abundances be
extracted from the spectrum of I Zw 18?
Of course they can. This has been done literally for decades. But the
answers come out "wrong" for the BB. That's the only reason that it
appears
"difficult." French himself notes that the lower the metals content, the
more reliable the whole data set. But French threw out the lowest data
set
(I Zw 18) -- even though it was most reliable -- simply because no
theoretical explanation for an He value below the Big Bang Yp could be
found.
Oops. That was Isotov that threw out I Zw 18.
Giving good reasons for that, which you entirely misunderstood (or
willfully misrepresented).
Bye,
Bjoern
.
