[meteorite-list] Fireball Reporting & meteoroid heating

From: Robert Verish <bolidechaser_at_meteoritecentral.com>
Date: Thu Apr 22 10:18:26 2004
Message-ID: <20030212211605.76976.qmail_at_web80402.mail.yahoo.com>

Some interesting comments and good information in the
following compilation from the Internet:

----------------- Attached Message ------------------

meteorobs-digest Wednesday, February 12 2003
Volume 04 : Number 1091

Re: (meteorobs) HTML on Line
(meteorobs) meteoroid heating
(meteorobs) Fw: (AMS-Staff) Fw: web page
(meteorobs) B.C. Fireball reporting.
----------------------

Date: Mon, 10 Feb 2003 10:16:40 -0000
From: Cross David <DCROSS_at_qinetiq.com>
Subject: Re: (meteorobs) HTML on Line

Just to add my tuppence worth...

Even though my relatively modern email software
(Outlook 2000) displays HTML-formatted emails OK, it's
not smart enough to deal with them once they've been
put into the digest version, so I have to wade through

feet of incomprehensible tags. And I really couldn't
cope with the volume if I got the messages
individually (although I do switch over for events
like the Leonid maxima). And while I get my home
internet access at local call rates, I do still have
to pay per minute, so I prefer to get the maximum
information with the minimum bytes. I'm all in favour
of people putting in links to flashier presentations,
though: that way you can choose whether to go there or
not.

David Cross

ps My apologies for the following, unstoppable,
disclaimer. I'm aware of the irony (but at least it's
plain-text)...


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For those other than the recipient any disclosure,
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------------------------------

Date: Mon, 10 Feb 2003 15:34:27 -0600
From: Tom Fleming <enders_gt_at_juno.com>
Subject: (meteorobs) meteoroid heating

Ok, the highly energized atmospheric particles are
boiling off material (stony-iron for the moment) thru
radiant energy rather than friction.
This makes sense - might explain the scouring process
pretty nicely. I guess my question is this... for
those who obtain spectra of incoming meteors - how do
you discern the emissions from the ionized atmospheric
gasses and those of the frozen gasses attributable to
the cometary debris. I know some of the more complex
compounds will have their readily identifiable
signature but how can you state with certainty the
make up of the meteoroid?

I'm thinking the spectral image will be a combination
of the two.
Any thoughts?
Tom

------------------------------

Date: Tue, 11 Feb 2003 06:53:27 -0800
From: Ed Majden <epmajden_at_shaw.ca>
Subject: (meteorobs) Fw: (AMS-Staff) Fw: web page

Subject: (AMS-Staff) Fw: web page

>
> I have created a web page with one of my Leonid

> meteor spectra. It can be found at:
>
> http://members.shaw.ca/epmajden/index.htm
>
> Ed Majden -
> Courtenay B.C. CANADA

------------------------------

Date: Mon, 10 Feb 2003 10:52:05 -0800
From: Ed Majden <epmajden_at_shaw.ca>
Subject: (meteorobs) B.C. Fireball reporting.

  I have recently taken over as unofficial coordinator
of the Sandia Bolide Detection Network located on
Vancouver Island and Washington State.
We would appreciate anyone observing fireballs over
B.C. and adjacent U.S. States to report these to me so
I can alert our all-sky camera operators to check
their video tapes.

Information required, is your location, date of
observation, time of the event (+/- 10 minutes
accuracy is fine), your time zone, (PST/MST/PDT etc).

Tapes are generally kept for about a week before they
are re-used so we need this information as soon as
possible. In addition to this, we have an interview
network in place. When a major fireball event occurs
these volunteer interviewers are alerted so they can
go out and do in-situ interviews of people that report
seeing the fireball.
The required measurements are taken so a possible
ground track and fall area can be arrived at.
In order to calculate this we need reports from
observers of both sides of the track.

Anyone interested in joining this "volunteer"
interview team should contact me. We need more people
doing this over mainland and northern British
Columbia.

Ed Majden - MIAC Associate
Sandia Bolide Detection Station - Courtenay, B.C.

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------------------------------

End of meteorobs-digest V4 #1091
********************************



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Received on Wed 12 Feb 2003 04:16:05 PM PST