[ExI] webb is on

[Brent Allsop]

Just passed 100K miles from earth!

Are we there yet?
Are we there yet?
Are we there yet?



On Sat, Dec 25, 2021 at 5:57 PM BillK via extropy-chat <
extropy-chat at lists.extropy.org> wrote:

> On Sat, 25 Dec 2021 at 23:40, spike jones via extropy-chat
> <extropy-chat at lists.extropy.org> wrote:
> >
> <snip>
> > BillK, you are right however, it takes some time after they get her into
> > position to do additional initialization, but I predict it will take
> only a
> > few weeks rather than months.
> >
> > spike
> > _______________________________________________
>
>
> Ever the optimist!  You can probably get treatment for that.  :)
>
> NASA says six months, plus one month's work done during the journey to L2.
>
>  See: <https://www.nasaspaceflight.com/2021/11/commissioning-jwst-1/>
> Quotes:
> “It takes probably three to four months to get everything down to the
> 30 to 50 Kelvin temperature ranges that [most instruments] need. But
> during that time, our optical team is continuing to align the
> telescope.
>
> After this, James Webb gets turned over to the instrument teams.
> “We have four instruments, and [those teams] will then go through a
> series of calibration exercises with those instruments. These
> exercises range from thermal stability measurements to looking at dark
> areas to just calibrating out all of the artifacts in the instruments
> that would interfere with science observations.”
>
> This delicate work will take about two months, bringing the total
> commissioning phase to about six months total.
> ---------
>
> You will have to be patient for a while and hope everything checks out OK.
>
>
> BillK
>
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>
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